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Best Us Gallons To Liters Apps

171+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

Whether you're new to us gallons to liters or looking for an upgrade, our curated collection of 171+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Us Gallons To Liters

Convert Any Unit Lite#1

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Editor's Choice
✈️ Travel
4.7😊(47K ratings)
FreeAds
Convert Any Unit Lite screenshot 1
Convert Any Unit Lite screenshot 2
Convert Any Unit Lite screenshot 3
Convert Any Unit Lite screenshot 4
Convert Any Unit Lite screenshot 5

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.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive unit conversions
  • 💡 Allows custom unit creation
  • 🔧 Useful for cooking, travel, and work

Room to Improve

  • 🔍 Too many unit options can be overwhelming
  • 🔍 Ads can be intrusive and disrupt usage
  • 🐛 Occasional bugs and freezing issues
Conversion Calculator !#2

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Strong Contender
📊 Productivity
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Conversion Calculator ! screenshot 1
Conversion Calculator ! screenshot 2
Conversion Calculator ! screenshot 3
Conversion Calculator ! screenshot 4
Conversion Calculator ! screenshot 5
Conversion Calculator ! screenshot 6

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

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
Metric Conversion tool#3

Metric Conversion tool by Wight Hat

Unit and currency converter
Worth Considering
🔍 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

  • 💡 Useful conversion tool
  • 👍 Easy to use and navigate
  • 🚀 Quick and efficient
  • 👍 Comprehensive coverage of conversions

Room to Improve

  • 🔊 Intrusive and loud ads
  • 🔒 Questionable privacy practices
  • 🐛 Inaccurate conversions

More Us Gallons To Liters apps to explore

4
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Convert All Units and Currency
Free

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.

✈️ Travel
(172K)
5
US Gallons To Liters – Liquid Volume Converter (gal to L)
US Gallons To Liters – Liquid Volume Converter (gal to L)
US Gallons To Liters – Liquid Volume Converter (gal to L)
by Armchair Engineering
$0.99

This application quickly and easily converts between US gallons and liters, allowing users to select their preferred number of decimal places. Try it out to make your liquid volume conversions a breeze!

🔧 Utilities
(7)
6
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!

🔧 Utilities
(79K)
7
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."

📊 Productivity
(15K)
8
US Unit Converter
US Unit Converter
US Unit Converter
You can easily convert units!
Free

This application allows users to easily convert units of length, weight, area, liquid volume, and temperature from US customary units to International System of Units. Simply select a category, enter a value, and get instant conversions for various units, and consider upgrading to a premium version for additional features.

🔧 Utilities
(101)
9
Gallons to Liters
Gallons to Liters
Gallons to Liters
Convert Gallons to Liters
Free
🔧 Utilities
(0)
10
Currency Converter
Currency Converter
Currency Converter
Reliable Exchange Rates
Free

Get reliable exchange rates with our currency converter app. Easily check the latest rates and convert currencies on the go. Download now for quick access to accurate exchange information.

💼 Business
(69)
11
Unit of measurement converter
Unit of measurement converter
Unit of measurement converter
Conversion units Calculator
Free

This unit conversion calculator simplifies comparing and converting different units across 15 categories and 95 measuring units. Say goodbye to unit conversion headaches and save time instantly by just inputting numbers and changing units. Try it now!

🔧 Utilities
(372)
12
Currency converter: Exchange
Currency converter: Exchange
Currency converter: Exchange
Converter for 160+ currencies
Free

A currency converter application with real-time exchange rates for 160 currencies, featuring offline mode, custom rates, historical exchange rates, and multiple currency conversion. Great for travelers and online shoppers. Try it now!

✈️ Travel
(4.2K)
13
Gas Prices Near You
Gas Prices Near You
Gas Prices Near You
Find Cheap Local Gas Prices
Free

Find the cheapest gas prices near you in multiple countries with this app. Search by location, zip code, or GPS to locate the best deals on gas. View petrol prices on a map in some regions or simply find nearby gas stations in other countries.

🌟 Lifestyle
(6.2K)
14
Nee-Vo
Nee-Vo
Nee-Vo
by Reseau sans fil Otodata Inc
Free

Track tank levels accurately in real-time, view usage history, receive customizable alerts, and easily request service with the Nee-Vo app. Manage multiple tanks and share data with up to 3 users. Get started by installing the Otodata telemetry unit and activating your account with the provided code.

🔧 Utilities
(7.3K)
15
Uniter: Smart Unit Conversion
Uniter: Smart Unit Conversion
Uniter: Smart Unit Conversion
Convert Metric & US Imperial
Free

This application allows users to quickly convert units of measurement in various contexts, including text, websites, and live camera views, with features such as automatic conversion, side-by-side live conversion, and file import. With support for hundreds of unit types, users can easily switch between metric and US imperial systems, and upgrade to a pro version for additional features.

🔧 Utilities
(69)
16
Fluid Ounces To Milliliters – Liquid Volume Converter (fl oz to ml)
Fluid Ounces To Milliliters – Liquid Volume Converter (fl oz to ml)
Fluid Ounces To Milliliters – Liquid Volume Converter (fl oz to ml)
by Armchair Engineering
$0.99

This liquid volume converter allows for quick and easy conversions between fluid ounces and milliliters. Simply select your preferred number of decimal places and start converting with this handy tool.

🔧 Utilities
(8)
17
Halliburton eRedBook® Mobile
Halliburton eRedBook® Mobile
Halliburton eRedBook® Mobile
by Halliburton
Free

This mobile application provides instant access to key data and calculations for oil and gas well drilling, cementing, and completion, including pipe dimensions, volume calculations, and unit conversions. With this app, users can quickly look up specifications, calculate volumes, and copy results, making it an indispensable tool for field engineers, business development, and engineering students.

💼 Business
(30)
18
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.

🔧 Utilities
(1.9K)
19
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Calculates fuel usage and cost
Free

This application calculates fuel consumption and cost using standard units in the USA. It helps users estimate their fuel usage and expenses, making it a useful tool for planning and budgeting.

✈️ Travel
(6)
20
Unit Converters in ft lb oz
Unit Converters in ft lb oz
Unit Converters in ft lb oz
with Conversion Formulas
Free

This unit conversion calculator app allows users to easily convert between various units of measurement, including temperature, speed, length, weight, and capacity, by simply inputting numbers. Download the app to perform conversions between units such as Fahrenheit to Celsius, miles per hour to kilometers per hour, and pounds to kilograms.

🔧 Utilities
(122)

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