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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.

Convert Any Unit
Convert Any Unit Lite
Construction Master 5

Best Apps

Highest scored apps in the category

Convert Any Unit
Convert Any Unit

Convert Any Unit

Cider Software LLC

Major update for 2017

Major update for 2017! 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.

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As you type, the...

Convert Any Unit Lite
Convert Any Unit Lite

Convert Any Unit Lite

Cider Software LLC

Major update for 2017

Major update for 2017! Over 3 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...

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...

Mila's Tools - Unit Conversion Calculator
Mila's Tools - Unit Conversion Calculator

Mila's Tools

Scott DeSapio

Mila’s Tools is a free, elegant, no frills, fast, easy to use, unit conversion calculator

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.

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WINNER - Apple Staff Pick!

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What customers are saying:

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

***** "This is the best quick ref...

Mila's Tools PRO - Unit Conversion Calculator
Mila's Tools PRO - Unit Conversion Calculator

Mila's Tools PRO

Scott DeSapio

Mila’s Tools is an elegant, no frills, fast, easy to use, unit conversion calculator

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.

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What customers are saying:

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

***** This is the best quick ref tool I have come across...

Feet & Inches Calculator
Feet & Inches Calculator

Feet & Inches Calculator

Evan Winograd

Fastest feet & inch calculator

Fastest feet & inch calculator!

The #1 Feet/Inch Calculator now available for iPhone!

*** New Feature: Purchase to remove ads ***

How to use the app:
--- The top line is your final result
--- The second line shows your current input
--- The top panel (with feet selected) is used to input feet
--- The bottom panel (with inches selected) is used to input inches
--- The...

Best Unit Converter - For iPhone and iPad
Best Unit Converter - For iPhone and iPad

Best Unit Converter

RV AppStudios LLC

* Best Unit Converter App Free For Limited Time *

* Best Unit Converter App Free For Limited Time *
* Handy Converter App For 12 Categories & 140+ Units *

Simple, Powerful & Best Unit Converter App designed for iOS 7! Just tap and convert any units with it's clean interface and user-friendly navigation. Simple swipe actions will allows you to convert quickly and change conversion options easily for additional convenience....

Also Good

Apps with average score

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...

Volume Calculator
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. 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...

Unitica - unit converter
Unitica - unit converter
Unitica - unit converter

Unitica - unit converter

Aleksandar Vacic

A premiere unit converter focused on your favorite unit pairs, for iPhone and iPad.
Video: http://vimeo.com/radianttap/unitica

Main feature: Favorite pairs
-----------------------
It's good to have support for obscure units, but most of the time you need just several well chosen pairs.

Unitica allows you to choose any pair of units as a favorite, regardless of...

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,...

ConcreteCalc Pro Construction Math Calculator
ConcreteCalc Pro Construction Math Calculator
ConcreteCalc Pro Construction Math Calculator

ConcreteCalc Pro Construction Math Calculator

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 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...

Universal Unit Converter:Smart Converter
Universal Unit Converter:Smart Converter
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,...

Scientific Unit Converter
Scientific Unit Converter
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...

TUC - The Unit Converter
TUC - The Unit Converter
TUC - The Unit Converter

TUC - The Unit Converter

MindStick Software Private Limited

One and only Unit Converter which can save converted data and has Notes and History capability…
18000+ Built-in Conversions, Custom Unit/Group Creation, Quick References, Favorites, Notes Search, Functional Calculation Capability, Decimal Accuracy Control, Rounding Options Selection, Sharing Conversion Data including Notes and Formulas via SMS or Email and much more...

From usability...

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...

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...

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

Unit Converter™ FREE

Pinch Multimedia

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...

Length Unit Converter
Length Unit Converter
Length Unit Converter

Length Unit Converter

Intemodino Group s.r.o.

Length Converter is a handy app to convert between US, imperial and metric length, height and distance units.

Length units you can convert between:
• Inches (in)
• Feet (ft)
• Yards (yd)
• Miles (mi)
• Nautical miles
• Kilometers (km)
• Meters (m)
• Decimeters (dm)
• Centimeters (cm)
• Millimeters (mm)

"Flip" button lets you easily switch between...

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 /...

Convert ~ the unit calculator
Convert ~ the unit calculator
Convert ~ the unit calculator

Convert ~ the unit calculator

LateNite Apps

From the maker of Camera+

“…an elegant, intuitive interface. We love it.”
— Wired.com

Over 350,000 copies sold!

Convert is a unit converter and calculator designed with simplicity, usability, and beauty in mind.

In a nutshell, we created Convert because we just weren’t satisfied with any other unit converter in the App Store. Once you...

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...

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...

Easy-UnitConverter
Easy-UnitConverter
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
-...

Other Apps

Could be good for special cases

Easy Converter Free - universal unit convert ( length, area, volume, speed, weight, temperature )

Easy Converter Free - universal unit convert ( length, area, volume, speed, weight, temperature )

1stfancy

Easy Converter is a simple, elegant and POWERFUL unit converter. Which supports bi-directional unit conversion for 6 unit types:

+ Length / distance
+ Area
+ Volume
+ Weight
+ Speed
+ Temperature
=======================

We also have the following features:
* ONE-PRESS COPY TO CLIPBOARD
* ONE-PRESS TYPE SWITCH
* BI-DIRECTION CONVERSION
* NATIVE SUPPORT FOR IPAD
* ROTATION SUPPORTED
* FIXED/SCIENTIFIC SWITCH

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 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
• Imperial pint
• Imperial cup
• Imperial gill
• Imperial fluid ounce
• Imperial tablespoon
• Imperial teaspoon
• Imperial drachm
• Cubic foot
• Cubic inch

Metric volume units:
• Сubic meter
• Сubic decimeter
• Сubic centimeter
• Сubic millimeter
• Liter
• Deciliter
• Centiliter
• Milliliter

"Flip" button lets you easily switch between "from" and "to" units.

Volume Converter supports fractions - you can input both fractional and decimal values.
You can convert fractional gallons, quarts, pints, cups, fluid ounces etc. to their decimal equivalents. For example, you can easily calculate that 2 1/2 gal = 8.5l. Or you can find that 380 ml = 12.8 fl oz (in decimals) and 12 3/4 fl oz (in fractions).

Results are shown in the decimal and fractional forms.

Volume Converter 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 "-".

Volume Converter stores conversion history.

You can send results and conversion history via email.

Volume Converter supports both portrait and landscape orientation.

Volume Converter helps you instantly convert between area units like square feet, square miles, hectares, acres, square meters, square kilometers and more.

Examples of volume conversions you can do:
With the liquid volume converter you can convert gallons to liters (gal to L) and liters to gallons (L to gal), fluid ounces to milliliters (fl oz to ml) and milliliters to fluid ounces (ml to fl oz), liters to cubic meters, cups to ml, milliliters to tablespoons or teaspoons, ounces to cups, cubic feet to cubic meters, US gallons to imperial gallons, cubic inches to сubic feet, сubic centimeters to milliliters and more...


Full list of volume units you can convert between:
US liquid gallons (US gal), imperial gallons (imp gal) or UK gallons, US liquid quarts (US qt), imperial quarts (imp qt), US liquid pints (US pt), imperial pints (imp pt), US cups, imperial cups, US gills, imperial gills, US fluid ounces (US fl oz), imperial fluid ounces (imp fl oz), US tablespoons (tbsp), imperial tablespoons (imp tbsp), US teaspoons (US tsp), imperial teaspoons (imp tsp), fluid drams (fl dr), imperial drachm (imp fl dr), cubic feet (cu ft or ft3), cubic inches (cu in or in3), сubic meters (m3), сubic decimeters (dm3), сubic centimeters (cc, cm3), сubic millimeters (mm3), liters (l), deciliters (dl), centiliters (cl), milliliters (ml).

Unit Converter Pro - Units Conversion Calculator

Unit Converter Pro - Units Conversion Calculator

LINKLINKS LTD

This is a simple and intuitive unit converter.
Operation is easy and quick, and you can convert one unit to multiple other units; you can set the number of decimals, favorite section, which units are shown and passcode protection etc.

You can convert the below unit categories (270 units totally):
*Angle
*Area
*Data storage
*Energy
*Flow
*Force
*Fuel consumption
*Illuminance
*Length
*Luminance
*Power
*Pressure
*Radiation
*Radioactivity
*Specific heat
*Speed
*Temperature
*Time
*Torque
*Typography
*Volume
*Weight

If you have any question or want to add more units, please email to [email protected]

Converter - Metric Conversion

Converter - Metric Conversion

Tue Nguyen Minh

FREE FOR A LIMITED TIME: $0.99 >>> FREE!
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
- Area
- Cooking
- Currency
- Data
- Length
- Mileage
- Power
- Pressure
- Speed
- Temperature
- Time
- Volume
- Weight
- Men's shoe size
- Women's shoe size

Currency exchange rates are downloaded each time the app is opened. Internet connection is required.

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.

Weight Unit Converter

Weight Unit Converter

Intemodino Group s.r.o.

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

Supported mass units:
• Ounce (US)
• Pound (US)
• Stone
• Short Ton (US)
• Long Ton (UK)
• Microgram
• Milligram
• Gram
• Kilogram
• Metric Ton

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

Supports fractions.

Results are shown in the decimal and fractional forms.

App's Settings:

- Rounding to 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.

Temperature Unit Converter

Temperature Unit Converter

Intemodino Group s.r.o.

With this app, you can easily convert between different temperature units.

Supported temperature units:
• Celsius °C
• Fahrenheit °F
• Kelvin K

"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.