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These Unit Converters Make The Job Much Easier

Any task can quickly become an overextended project if you don't have the right tools. We have curated an awesome list of the best unit converter apps that will help you get the job done quickly.

Volume Calculator
Feet and Inches Calculator
Converter4U - unit converter

Best Apps

Highest scored apps in the category

Volume Calculator
Volume Calculator

Volume Calculator

Summit Applications, LLC

Volume Calculator enables you to quickly determine the volume & surface area of 26 three-dimensional shapes

Volume Calculator enables you to quickly determine the volume & surface area of 26 three-dimensional shapes. Whether in school, on the job, or working in the field, this geometric calculator provides a professional look and feel while delivering accurate results.

▼ Features
··► Super fast with no convert button required
··► Degrees or Radians
··► Units (see list below)
··► Shows volume and surface...

Feet and Inches Calculator
Feet and Inches Calculator

Feet and Inches Calculator

Evan Winograd

The #1 Feet/Inch Calculator app

The #1 Feet/Inch Calculator app!

Tutorial: https://www.youtube.com/watch?v=tFNQ0Ug4Qis
Stuck? Check out the help (?) section or email [email protected]

New Layout:
Blue = Feet Input (or other imperial)
Green = Inches Input (or metric)

Turn on Advanced for Area and Volume Calculations

Tools: Converter, Triangle, Scale, Circle, Chords / Arcs, Stair Stringers, Board Feet

Old Layout:
How to use the app:
--- The top line is your final result
--- The second...

Converter4U - unit converter
Converter4U - unit converter

Converter4U

VisTech.Projects LLC

Converter4U is a simple lightweight unit conversion calculator for iOS

Converter4U is a simple lightweight unit conversion calculator for iOS. This ad-free unit converter supports most common units in the Length/Distance, Weight/Mass, Area and Temperature categories for Metric and Imperial units. The goal of the development was not to cover all possible units and categories, but to create something very easy, fast and convenient for everyday personal use. It is...

Volume Unit Converter
Volume Unit Converter

Volume Unit Converter

Intemodino Group s.r.o.

Volume Unit Converter is a handy app to convert between US, imperial and metric volume units

Volume Unit Converter is a handy app to convert between US, imperial and metric volume units.

Volume Converter Features:

Supported volume units:
US volume units:
• US liquid gallon
• US liquid quart
• US liquid pint
• US cup
• US gill
• US fluid ounce
• US tablespoon
• US teaspoon
• US fluid dram
• Cubic foot
• Cubic inch

Imperial volume units:
• Imperial gallon
• Imperial quart
•...

Convert Any Unit Lite
Convert Any Unit Lite

Convert Any Unit Lite

Cider Software LLC

Over 4 million downloads

Over 4 million downloads! The FASTEST way possible to convert units. Just type in a unit without first selecting the category. As you type, a list of units appear. Tap a unit to select it. For most units, 1 or 2 letters is enough to find the unit you want. Automatically saves units into a Favorites list. This version is...

Convert Any Unit
Convert Any Unit

Convert Any Unit

Cider Software LLC

Over 4 million downloads

Over 4 million downloads! The FASTEST way possible to convert units. Just type in a unit without first selecting the category. As you type, a list of units appear. Tap a unit to select it. For most units, 1 or 2 letters is enough to find the unit you want. Automatically saves units into a Favorites list.

-----

As you type, the...

Construction Master 5
Construction Master 5

Construction Master 5

Calculated Industries

Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries

Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries

The official Construction Master® 5 from Calculated Industries is now available for your iPhone and iPad. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

Built with the same features and functions, and with the same core engine...

Also Good

Apps with average score

Conversion Calculator Units
Conversion Calculator Units
Conversion Calculator Units

Conversion Calculator Units

RV AppStudios LLC

* Handy Conversion Calculator App For 12 Categories & 140+ Units *

Simple, Powerful & Conversion Calculator app designed for iPhone and iPad! Just tap and convert any units with its clean interface and user-friendly navigation. Simple swipe actions will allow you to convert quickly and change conversion options easily for...

Mila's Tools PRO Converter
Mila's Tools PRO Converter
Mila's Tools PRO Converter

Mila's Tools PRO Converter

Scott DeSapio

Mila’s Tools is an elegant, no frills, fast, easy to use, unit conversion calculator. Included converters: Area, Bits & Bytes, Capacitance, Fraction, Fuel, Length, Liquid(Volume), Numbers, Pressure, Temperature, Time, Torque, Velocity and Weight. All built exclusively for the Apple iPhone.

-------------------------------------

What customers are saying:

***** Get it! Nothing better than this!

***** This...

Mila's Tools Unit Converter
Mila's Tools Unit Converter
Mila's Tools Unit Converter

Mila's Tools Unit Converter

Scott DeSapio

Mila’s Tools is a free, elegant, no frills, fast, easy to use, unit conversion calculator. Included converters: Area, Bits & Bytes, Capacitance, Fraction, Fuel, Length, Liquid(Volume), Numbers, Pressure, Temperature, Time, Torque, Velocity and Weight. All built exclusively for the Apple iPhone.

-------------------------------------

WINNER - Apple Staff Pick!

-------------------------------------

What customers are saying:

***** "Get it!...

Convert!!!
Convert!!!
Convert!!!

Convert!!!

SnAPP Development

Looking to quickly convert one unit to another?
Look no further!
Convert packs conversions for:
-Acceleration
-Area
-Data
-Density
-Force
-Length
-Power
-Pressure
-Speed
-Temperature
-Time
-Torque
-Volume
-Weight

Convert also includes a handy tip calculator that allows you to determine the exact tip and gives the option to split the bill.

It's as simple as entering one value in any field and then reading...

Converter®
Converter®
Converter®

Converter®

Tue Nguyen Minh

Elegant and powerful unit converter with 16 categories. It converts most of the units you can think of. Very convenient and easy to use with the ability to create custom unit list for each category.

*** Now with LIVE exchange rate updates for 148 currencies in the world ***

Categories:
- Angle
-...

Snap Converter - Convert Units Free
Snap Converter - Convert Units Free
Snap Converter - Convert Units Free

Snap Converter - Convert Units Free

MaoWare Corporation

Snap Converter is a easy to use unit converter that converts units in 22 different measures.

Innovative multi-unit design allows the conversion from a single unit to three other units at one time.

***Supports 22 Measures with 12238 Unique Conversion Pairs***

- Angle
- Area
- Bits
- Density
- Electric Current
- Energy
- Flow
- Force
- Illuminance /...

Unit Converter Tool Lite
Unit Converter Tool Lite
Unit Converter Tool Lite

Unit Converter Tool Lite

Honeycomb Solutions Private Limited

This is the FREE & LITE version of Unit Converter Tool Pro

This is a very Simple, Intuitive and Elegantly Designed App. This fully functional LITE version is a Try-It-Out Version of Unit Converter Tool Pro, limited only in the number of Categories provided for Conversion. Its quick and fast interface...

Units Converter Free
Units Converter Free
Units Converter Free

Units Converter Free

Nikita Tataurov

Units Converter Free is a brilliant application allowing to convert hundreds of measurements grouped into 17 categories. We tried to make our program as user friendly as possible, and now anyone can use it immediately after installation without reading a line from the manual.

Doesn't matter who you are. Almost certainly,...

Unit Converter™ FREE
Unit Converter™ FREE
Unit Converter™ FREE

Unit Converter™ FREE

Branko Zabala

The most intuitive Universal Unit Converter for iPhone and iPad is now available for iOS 7

- 5 STAR quality *****
- Over 100 Units on the FREE version!
- Over 400 Units on the pro version!
- Powerful built-in Calculator
- Favorite Conversions and Calculation History
- Real-time currency exchange rates
- Lots of...

Unit Converter 12in1
Unit Converter 12in1
Unit Converter 12in1

Unit Converter 12in1

Intemodino Group s.r.o.

A handy app to convert between US, imperial and metric units: Length Converter, Area Converter, Time converter, Temperature converter, Weight Converter, Volume Converter, Speed Converter, Power Converter, Pressure Converter, Energy Converter, Fabric Converter, Fuel consumption converter.

Length Converter
Supported length units:
• Inch
• Foot
• Yard
• Mile
• Mile (nautical)
• Kilometer
• Meter
• Decimeter
• Centimeter
•...

Ultra Measure Master
Ultra Measure Master
Ultra Measure Master

Ultra Measure Master

Calculated Industries

Professional Grade U.S. Standard to Metric Conversion Calculator by Calculated Industries

The Ultra Measure Master® app from Calculated Industries gives you the power to solve metric and standard unit conversions on your iPhone and iPad. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you...

Ad-Free Unit Converter
Ad-Free Unit Converter
Ad-Free Unit Converter

Ad-Free Unit Converter

William Jockusch

That's right -- this is a free app, with no ads! Saves you bandwidth, battery life, and annoyance. This is possible because the app is supported by its passive app store links, tastefully hidden behind a key on the keyboard.

This is a simple and intuitive unit converter.

It is easy...

Unit Converter! HD
Unit Converter! HD
Unit Converter! HD

Unit Converter! HD

Rantek Inc.

Quick and simple to use! Search for the conversion alphabetically, type in the value and hit the button. That's it!

We chose to organize the conversion factors alphabetically. So, there's no thinking required to figure out what category the conversion you need belongs to. This made finding the conversion you need...

Measure Master Pro
Measure Master Pro
Measure Master Pro

Measure Master Pro

Calculated Industries

Feet-Inch-Fraction and Metric Conversion Calculator by Calculated Industries®

The Measure Master Pro app from Calculated Industries gives you the power to solve U.S. and metric unit conversions on your iPhone or iPad. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to...

ConcreteCalc Pro
ConcreteCalc Pro
ConcreteCalc Pro

ConcreteCalc Pro

Calculated Industries

Advanced Concrete Construction-Math Calculator from Calculated Industries

The official ConcreteCalc Pro from Calculated Industries is now available for iPhone and iPad users. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

It helps concrete,...

Unit Converter Pro +
Unit Converter Pro +
Unit Converter Pro +

Unit Converter Pro +

Rakesh Chellaboina

+++ Ultimate Unit Converter App for iPhone and iPad and iPod Touch ++++

++++ Available on HD with Retina Display ++++

It doesn’t matter whether you are student, Engineer, Designer you have to do conversion while on work.

The built in functionality do the work for you and always ready to use...

Metrebug
Metrebug
Metrebug

Metrebug

Hamilton & Weston Holdings

Metrebug is an intuitive and easy to use unit converter. Convert kilograms into pounds and litres into cups. Convert miles into kilometres and metres per second into knots. Even convert miles into light years and picometres into angstroms. Do you work with other parts of the world and would like...

Other Apps

Could be good for special cases

Easy-UnitConverter

Easy-UnitConverter

Hosys

The Easy-UnitConverter is a simple unit converter.
The application supports over 129 units across 12 categories.

▣ Features
- The application supports over 129 units across 12 categories.
- The app offers a calculator. You don't have to switch any more between conversion and
calculator apps.
- Touch-friendly big buttons
- Sound on/off
- Hand-rubbed unit conversion
- Frequently used units can be added to bookmarks and can be accessed quickly
- In / out unit exchange

▣ Supported Categories
- Angle
- Length
- Width
- Weight
- Volume
- Temperature
- Pressure
- Speed
- Data
- Time
- Force
- Energy(new)

You are now the export of application. if you like the app, please recommend it to your friends. if you have any feedback, please emails us at [email protected]

Area Units Converter

Area Units Converter

Intemodino Group s.r.o.

A handy app to convert between US, imperial and metric area units.

Supported area units:
• Square Inch
• Square Foot
• Square Yard
• Acre 
• Square Mile
• Square Millimeter
• Square Centimeter
• Square Decimeter
• Square Meter
• Hectare
• Square Kilometer

"Flip" button to easily switch between the "from" and "to" units.

Supports fractions.

Results are shown in the decimal and fractional forms.

App's Settings:

- Rounding to the specified number of decimal places: for decimal numbers, you can select the number of decimal places you want to display. By default, the app displays 2 decimal places.
To round results to the nearest whole number, select 0 decimal places.

- For fractions, you can select rounding to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256. By default, the app rounds fractions to the nearest 1/32.
If you do not need to round fractions, just select "-".

Sends results and history via email.

Conversion history.

Supports both portrait and landscape orientation.

ConversionCalc Plus

ConversionCalc Plus

Calculated Industries

ConversionCalc Plus
Ultimate Professional Conversion Calculator by Calculated Industries

And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

The ConversionCalc Plus from Calculated Industries is a powerful and easy-to-use app that provides more than 500 conversion combinations using 70 built-in Standard, Metric and other units of measure. With this app you can work in and convert between linear, area and volume units, plus weights, temperatures, velocity, flow rates, pressure, torque, energy and power. Don’t waste time with cumbersome formulas or looking up tables in books and online. Get quick, accurate solutions for all your professional conversion needs.

With the ConversionCalc Plus you can enter and convert everything from very large units to micro- and nano-units-- kilograms and tons, drams, scruples, grains, microliters, even tablespoons and cups. Virtually any conversion is at your fingertips with the ConversionCalc Plus.

Ideal for Health Care Professionals, Scientists, Pharmacists, Nutritionist, Lab Techs, Engineers, Specifiers and Importers/Exporters.

• 70 built-in measurement units – U.S. Metric and more
• More than 500 conversion combinations
• Easily calculate linear, area and volume measurements
• Find dry and liquid weight per volume
• Solve for velocity, flow rate, pressure, temperatures

Works in and converts between:
•Linear, Area and Volume Dimensions: Feet-Inch-Fractions and metric, plus board feet, acre feet, gallon, fluid ounces, quart, pint, tablespoon, teaspoon, drams, minims; liters, milliliters, deciliter, centiliter, microliter, nanoliter, drops (gtts)
•Weight: pounds, tons, dry ounces, metric tons, grams, milligrams, micrograms, nanograms, grains scruples
•Pressure: pounds per square inch, pounds per square foot, bars, kiloPascals, megaPascals
•Torque: pound-inch, pound-foot, Newton-meters
•Flow Rate: gallons per minute, ounces per second, liters per second, milliliters per second
•Weight per Volume: from metric tons per cubic meter to grains per cubic inch and everything in between
•Energy: Joules, British thermal units, kilocalories
•Temperature: Fahrenheit, Celsius, Rankine, Reamur, Kelvin
•Velocity - feet per minute, inches per second, feet per second, miles per hour, meters per second, millimeters per second, kilometers per hour
•Power - horsepower, Btu per hour, kilowatts

Additional Features:
• Entry Editing Backspace Key – with a swipe of a finger
• Full User’s Guide built in as well as ability to press and hold a key for specific help.
• User Preferences: set custom options: Fractions, Area, Volume, Exponents, Mathematical Operation
• Cost per Unit: Solve unit cost and pricing
• "Paperless" Tape: Allows review of the last 20 entries; double-check totals.
• Standard Calculations: Works as a math calculator with %, +, -, x, ÷, +/-, π, 1/x, X2, and √

Universal Unit Converter:Smart Converter

Universal Unit Converter:Smart Converter

Waheed Khan

Unit converter is a tool in the extended set of the Smart Tools collection.
There are already a lot of unit conversion apps on the market. However, most are inconvenient and difficult to use because of a poor and complicated UI. This unit app is intuitive and simple with a beautiful, and it has an optimized UI that is designed for casual user like you. Try it out.

---** All in one Conversion of the units, no need of the internet connection only you need is to download this application form the app store and use it without having any internet connections.

---** With this application you can convert the unit easily. Just put the values like you put your height in inches it will convert into cm/m. If you are watching your weight just out the values in Pounds it will tell you the value into kilo grams.

There is many units conversion over here that units are commonly used daily life units.

**** Supported Units list

---** Basic : length (distance), area, weight (mass), volume (capacity)
---** Living : temperature, time, speed
---** Science : pressure, force, work (energy), power, torque, flow, density, viscosity, current, voltage
---** Misc. : angle, data, fuel consumption, cooking, luminance, astronomy, radiation, prefix, binary, time zone, AWG
Download this useful app from the app store today for free and use it.

Units Converter Plus - Units Plus & Imperial Conversion Free

Units Converter Plus - Units Plus & Imperial Conversion Free

Red Stonz Technologies Private Limited

Unit Converter is a simple, smart and elegant tool with more than 12 categories of units that are used in daily life. This is the only Unit Converter App in itune store that has such a wide range of Unit conversion features with very simple and optimized user interface.

Unit Converter provides quick and accurate unit / metric conversion in an extremely easy to use and intuitive UI.
Stop looking through long confusing lists for that one unit you wish to convert; simply type it into the search box to get the unit you need to perform conversions on.

Unit conversions and calculations are displayed immediately with inputs being done via an in-built calculator for easier computations of complex problems.

Can't remember metric conversions such as length from miles to kilometres, weight from pounds to kilograms, fuel consumption from miles/galleon to km/litre and temperature from Fahrenheit to Celsius?

* Supported Units list
- Basic : length (distance), area, weight (mass), volume (capacity)
- Living : exchange rate, temperature, time, speed.

Unit Converter is 100% free to use.
Download Unit Converter now!

Units Free

Units Free

Piet Jonas

Convert between many units from several categories and different unit systems (metric, imperial, ...).

Features:
- categories: length, temperature, capacity, weight, energy, power, pressure, area
- access previous conversions from the history list
- categories have different colors (in the history as well)
- flip units
- send calculations by email
- support for the iPhone 6 and 6+
- support for the iPad multitasking (split view..)



(Free version: requires upgrade to arbitrarily switch categories)

Snap Converter Pro

Snap Converter Pro

MaoWare Corporation

Snap Converter is a easy to use unit converter that converts units in 22 different measures.

Innovative multi-unit design allows the conversion from a single unit to three other units at one time.

>>>Supports 22 Measures with 12238 Unique Conversion Pairs<<<
* Angle
* Area
* Bits
* Density
* Electric Current
* Energy
* Flow
* Force
* Illuminance / Luminous Emittance
* Length
* Luminous Intensity
* Mass
* Power
* Pressure
* Speed
* Temperature
* Time
* Torque
* Viscosity - Dynamic
* Viscosity - Kinematic
* Volume

Metric Conversion

Metric Conversion

Aline Ebone

Quickly converts units:

• Length: mile, yard, foot, mile, meter, decimeter, centimeter, inches and millimeter.
• Weight: lb, oz, milligram, gram, kilogram and tonne.
• Temperature: celsius, farenheit, kelvin, rankine, newton, Reaumur and Romer.
• Volume: Gallon, fluid ounces, cubic meter and liter.
• Area: hectare, square meter and square foot.
• Time: nanosecond, microsecond, millisecond, second, minute, hour, day, week, month, year.
• Speed: meter per second, miles per hour, kilometers per hour, foot per second, knot, mile per second, miles per second, the speed of light and speed of sound.
• Pressure: pound / square inch, pound / square foot, atmosphere, bar, inches of mercury, centimeter of mercury, kg / square meter and pascal.
• Angle: degree, grad, minute, radian, second, circle.

HeavyCalc Pro

HeavyCalc Pro

Calculated Industries

Yard, Feet-Inch-Fraction, Metric Heavy Construction Math Calculator from Calculated Industries®

The official Heavy Calc Pro from Calculated Industries is now available for iPhone and iPad users. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

It helps engineers, excavators and heavy construction professionals cut estimating time, improve design accuracy, and reduce material and labor expenses. Increase efficiency in the field or in the office with fast, accurate solutions for square-ups, cut/fill, swell/shrink, areas, volumes and loads.

Built with the same features and functions and the same core engine that powers the industry-standard handheld HeavyCalc Pro from Calculated Industries.

Need to quickly and accurately solve a dirt or excavation problem for a job? Do it on your iPhone or iPad anytime, anywhere instantly.

Ideal for Engineers, Designers, Excavators, Highway and Heavy Construction

• Work directly in and convert between all building dimensional formats: yards, feet-inch-fractions, inch fraction, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm)
• Easily calculate areas, volumes and weight per volume, truck loads
• Fast square-ups, right angles
• Simplify and speed up grid-cell and cut/fill estimates

FEATURES:

• Created by Calculated Industries, the originator of the award-winning Construction Master® calculators
• Built-in help – just press and hold the desired key for full, clear definitions, explanations and examples of keystrokes

Dimensional Math and Conversions
• Yards
• Feet-Inch-Fractions
• Metric (m, cm, mm)
• Decimal Feet (10ths, 100ths), Decimal Inches
• D.M.S. to Decimal Degree Conversions.

Dedicated Functions and Keys Help You Solve
• Instant Square-up and Drop
• Number of Loads: calculate Load volume, number of Loads, Load size
• Cut/Fill estimates – proposed and existing
• Shrink and Swell calculations using Compacted, Bank and Loose volumes
• Percent Grade and Slope

Built-in Area and Volume Solutions
• Length, Width, Height (Depth) keys
• Square and Cubic formats
• Instant Weight per Volume
• Pounds, Tons, Kilograms or Metric Tons

Special Functions
• Entry Editing Backspace Key – with a swipe of a finger
• Cost per Unit: Solve unit cost and pricing
• Paperless Tape
• 4 Memories
•User-Definable Preferences

Scientific Unit Converter

Scientific Unit Converter

Dongyue Xin

With > 2500 built-in units in 61 categories, this scientific unit converter is designed to convert units frequently found in science and engineering. Key features include:

• a comprehensive collection of SI units, SI-derived units and non-SI units;
• fast and easy unit search with partial names or symbols;
• favorite entries customized by the user for frequently used units;
• user-friendly display of the conversion equation;
• advanced unit builder to create and add user-defined units.

The list of all catagories:

absorbed dose, dose equivalent
absorbed dose rate
acceleration
amount of substance
angle
angular acceleration
area
area density, surface density
capacitance
catalytic activity
catalytic activity concentration
concentration, amount-of-substance concentration
current density
density, mass density
dynamic viscosity
electric charge, amount of electricity
electric charge density
electric conductance
electric current
electric dipole moment
electric field strength
electric resistance
energy, work, amount of heat, moment of force
exposure (X- and γ- rays)
force
frequency
heat capacity, entropy
heat flux density, irradiance, radiance
illuminance
inductance
kinematic viscosity
length
linear mass density
luminance
luminous intensity, luminous flux
magnetic field strength
magnetic flux
magnetic flux density
mass
molar energy
molar entropy, molar heat capacity
permeability
permeance
permittivity
power, radiant flux, radiant intensity
pressure, stress, energy density
specific energy
specific heat capacity, specific entropy
specific volume
speed, velocity
surface charge density, electric flux density
surface tension
temperature
thermal conductivity
time
voltage, electric potential difference, electromotive force
volume
volumetric flow rate
volumetric flux
wavenumber