1. Home
  2. Topics
  3. Weight Converter

Best Weight Converter Apps

195+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated May 2026

If you already know Unit Converter, this is the deeper bench. 195+ weight converter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Weight Converter

Unit Converter - Best Unit App#1

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Editor's Choice
✈️ Travel
4.8😊(172K ratings)
FreeAdsIn-App Purchases
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

A free unit converter app optimized for iPhone and iPad, featuring 12 categories for converting various units including area, currency, data, length, and more. Includes daily currency updates for 155 world currencies and is designed for easy use. Download now for quick and accurate unit conversions.

What We Love

  • πŸš€ Easy to use
  • πŸ‘ Comprehensive conversions
  • πŸ’‘ Useful for travel and cooking
  • πŸš€ Quick and efficient

Room to Improve

  • πŸ› Limited character input
  • πŸ› Difficulty with negative numbers
  • πŸ’‘ Lack of ability to quickly switch between conversions
Weight Converter for lb,kg,g#2

Weight Converter for lb,kg,g by Kenji Sugimoto

For Pounds, Kilograms, Grams
Strong Contender
✈️ Travel
3.6(8 ratings)
FreeAds
Weight Converter for lb,kg,g screenshot 1

This handy application allows users to easily convert between Pounds, Kilograms, and Grams, making it a convenient tool for travelers and others who need quick weight conversions. Download now and get instant access to accurate conversions on the go!

Metric Conversion tool#3

Metric Conversion tool by Wight Hat

Unit and currency converter
Worth Considering
πŸ” Reference
4.8😐(15K ratings)
Free
Metric Conversion tool screenshot 1
Metric Conversion tool screenshot 2
Metric Conversion tool screenshot 3
Metric Conversion tool screenshot 4
Metric Conversion tool screenshot 5

A must-have unit conversion app with over 30,000 conversions, 160 currencies, and detailed historical records. Easily convert weights, temperatures, lengths, areas, volumes, time, angles, and more. Access nine significant digits and fractional results.

What We Love

  • πŸ’‘ Useful conversion tool
  • πŸ‘ Easy to use and navigate
  • πŸš€ Quick and efficient
  • πŸ‘ Comprehensive coverage of conversions

Room to Improve

  • πŸ”Š Intrusive and loud ads
  • πŸ”’ Questionable privacy practices
  • πŸ› Inaccurate conversions

More Weight Converter apps to explore

4
Conversion Calculator !
Conversion Calculator !
Conversion Calculator !
Currency, Temperature, Length
Free

Easily convert units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!

πŸ“Š Productivity
(13K)
5
Convert Any Unit Lite
Convert Any Unit Lite
Convert Any Unit Lite
Units & Currency Converter
Free

Convert Any Unit Lite is a versatile app that simplifies unit conversions for users, offering a wide range of conversion options. Easily switch between various units for length, weight, volume, and more with a user-friendly interface. Download now to streamline your conversion needs.

✈️ Travel
(47K)
6
Weight Converter Pro
Weight Converter Pro
Weight Converter Pro
Convert weights fast
Free

This application quickly converts weights between various units, including Stone, Pound, Ounce, Kg, Gram, Milligram, Microgram, Tonne, and more, making it a handy tool for professionals and everyday users. Try it out to convert weights easily and efficiently!

πŸ”§ Utilities
(7)
7
lbs kg converter
lbs kg converter
lbs kg converter
Easy lbs kg converter
Free

This application helps you convert pounds to kilograms easily and quickly. Download it now to make your conversions simple and effortless.

πŸ”§ Utilities
(60)
8
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

"Explore the ultimate Unit Converter tool with Conversion Calculator Plus – your go-to Swiss army knife for effortless unit conversions. Simplify complex calculations and streamline your work effortlessly."

πŸ“Š Productivity
(15K)
9
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Convert Any Unit
Free

A versatile conversion calculator app that effortlessly converts various units like length, weight, volume, and more. Simplify your conversions with ease by downloading the app now!

πŸ” Reference
(16K)
10
Smart Weight Conversion
Smart Weight Conversion
Smart Weight Conversion
Convert weight instantly
Free
πŸ“š Education
(0)
11
GlobeConvert Currency & Units
GlobeConvert Currency & Units
GlobeConvert Currency & Units
Convert Currency and Units
Free

Convert currencies quickly and easily with this user-friendly app. Access up-to-date exchange rates and make conversions on the go. Experience convenience at your fingertips. Try it now!

πŸ”§ Utilities
(79K)
12
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Unit and Currency Converter
Free

Unit and Currency Converter: Access a comprehensive unit conversion tool featuring a wide range of currencies and units across various categories. Perform calculations with calculators for everyday needs, edit templates, and download user-contributed templates. Keep up-to-date with automatic currency exchange rate updates every 6 hours.

πŸ“Š Productivity
(2.3K)
13
Converter-Universal Conversion
Converter-Universal Conversion
Converter-Universal Conversion
by Trelleborg Sealing Solutions
Free

"An all-in-one conversion tool for engineers and scientists, featuring over 300 units across 32 categories, currency conversion, timezone conversion, and more. Switch between themes, create favorite lists, and enjoy a seamless user experience. Available in multiple languages – download now!"

πŸ”§ Utilities
(897)
14
Conversion Calculator Units
Conversion Calculator Units
Conversion Calculator Units
Unit Conversion Calculator All
Free

This app is a handy conversion calculator with 12 categories for quickly converting units. Simplify your conversions with ease!

πŸ”§ Utilities
(4.8K)
15
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Metric Conversion Calculator +
Free

Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

πŸ”§ Utilities
(1.3K)
16
Converter (unit conversions)
Converter (unit conversions)
Converter (unit conversions)
by Brent Royal-Gordon
Free

An essential unit conversion tool praised by Macworld Magazine, featuring 76 measurement units across various categories. Easily convert between units like length, weight, temperature, and more with a user-friendly interface and daily exchange rate subscription option for 161 currencies. Effortlessly manage your everyday unit conversions with this intuitive and practical application.

πŸ”§ Utilities
(1.9K)
17
Weight Converter App
Weight Converter App
Weight Converter App
Weight Units Converter
$1.99
πŸ”§ Utilities
(0)
18
Weight Converter St, Lb, Kg, G
Weight Converter St, Lb, Kg, G
Weight Converter St, Lb, Kg, G
For stone, pound, kg, g, tonne
$1.99

This weight converter app quickly and easily converts between various units of weight, including stone, pounds, kilograms, grams, milligrams, and tonnes. It's perfect for professionals like builders, cooks, and travelers, as well as anyone who needs to make weight conversions on the go.

πŸ”§ Utilities
(4)
19
Weight Converter Pro Kg Lbs
Weight Converter Pro Kg Lbs
Weight Converter Pro Kg Lbs
Weight Conversion Tool
$1.99
πŸ“Š Productivity
(0)
20
CalConvert: Currency Converter
CalConvert: Currency Converter
CalConvert: Currency Converter
Calculator & Unit Conversion $
Free

Convert currencies easily and efficiently with this intuitive currency converter app. Simply input the amount and select the currencies you want to convert between, making international transactions a breeze. Download now to streamline your currency conversions.

✈️ Travel
(6.4K)

Related searches

weight converter for lb,kg,gweight converter plusweight converter proweight converter st, lb, kg, gweight converter appweight converter ounceweight converter pro kg lbsbaby weight converterkg to lb weight converter