Best Mpg Calculator App

0+ iOS apps curated and reviewed

4.2 avg rating
17 free apps
Updated July 2026

Road Trip MPG Lite is the household name in mpg calculator app, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Mpg Calculator App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Road Trip MPG LiteRoad Trip MPG LiteFree4.4★ (44)NoNoAug 2026
2Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7★ (29K)NoYesAug 2026
3ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (13K)YesYesAug 2026
4Simple MPG CalculatorSimple MPG CalculatorFree1.0★ (1)NoNoMay 2026
5Basic Calculator+Basic Calculator+Free4.9★ (243K)YesNoAug 2026
6Basic Calculator: Classic CalcBasic Calculator: Classic CalcFree4.8★ (3.2K)YesYesAug 2026
7Calculator - Free CalculatorCalculator - Free CalculatorFree4.2★ (1.4K)NoNoAug 2026
8Calculator Pro LiteCalculator Pro LiteFree4.6★ (3.1K)YesNoAug 2026

Top Picks for Mpg Calculator App

Road Trip MPG Lite#1

Road Trip MPG Lite by Darren Stone

MPG and Mileage Tracking
Editor's Choice
💰 Finance
4.4(44 ratings)
Free
Road Trip MPG Lite screenshot 1
Road Trip MPG Lite screenshot 2
Road Trip MPG Lite screenshot 3
Road Trip MPG Lite screenshot 4
Road Trip MPG Lite screenshot 5
Road Trip MPG Lite screenshot 6

Easily track your car's mileage, fuel economy, and maintenance expenses. This app offers fast data entry, comprehensive statistics, and international support for various units. It allows unlimited data saving and seamless upgrades to a full version.

Fuelly: MPG & Service Tracker#2

Fuelly: MPG & Service Tracker by Fuelly, LLC

MPG, Mileage & Fuel Economy
Strong Contender
💰 Finance
4.7😐(29K ratings)
FreeIn-App Purchases
Fuelly: MPG & Service Tracker screenshot 1
Fuelly: MPG & Service Tracker screenshot 2
Fuelly: MPG & Service Tracker screenshot 3
Fuelly: MPG & Service Tracker screenshot 4
Fuelly: MPG & Service Tracker screenshot 5

Track your vehicle's fuel economy and maintenance history. Set reminders for essential services like oil changes and tire rotations to help you save money. Seamlessly sync your data with the web platform for comprehensive vehicle management.

What We Love

  • 👍 Easy to use
  • 🚀 Excellent for tracking fuel and maintenance
  • 📊 Helpful graphs and charts
  • 🔒 Secure data storage

Room to Improve

  • 🐛 Buggy after recent updates
  • 🔒 Subscription required for full functionality
  • 🤖 Lacks support for non-US units and vehicles
ClevCalc - Calculator#3

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Worth Considering
📊 Productivity
4.7😊(13K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
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ClevCalc - Calculator screenshot 6

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface

Room to Improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)

More Mpg Calculator App apps to explore

4
Simple MPG Calculator
Simple MPG Calculator
Simple MPG Calculator
by Shane Stambaugh
Free

Easily calculate your vehicle's miles per gallon (MPG) at the gas station. This straightforward utility helps you track fuel efficiency quickly and efficiently.

Quick MPG calculationUser-friendly interfaceFuel efficiency tracking
🔧 Utilities
(1)
free
5
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
6
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.2K)
free with in-app purchases
7
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by 祥祎 刘
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
🔧 Utilities
(1.4K)
free
8
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3.1K)
ad-supported
9
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Basic arithmetic operationsPercentage calculationsRecord and recall results
🔧 Utilities
(3.6K)
ad-supported
10
Road Trip MPG
Road Trip MPG
Road Trip MPG
Fuel and Maintenance Tracking
$6.99

Easily track your car's fuel economy, maintenance history, and expenses. Monitor trip costs, receive service reminders, and gain insights into your vehicle's spending. All your data remains private with no ads or subscriptions.

Fuel economy and cost trackingMaintenance history and remindersTrip cost tracking and reporting
💰 Finance
(626)
paid
11
Calculator
Calculator
Calculator
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
12
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
13
Gas Mileage Calculator and Log
Gas Mileage Calculator and Log
Gas Mileage Calculator and Log
Fuel Economy Tracker MPG & KM
Free

Easily track your vehicle's fuel efficiency by logging trip distance and fuel pumped. Compare MPG across different driving methods and multiple vehicles to optimize your gas usage. Data is stored locally for privacy and accessibility.

Record fuel efficiency (MPG)Log trip distance and fuel pumpedTrack multiple vehicles
🔧 Utilities
(385)
free with in-app purchases
14
Simple Fuel Tracker - MPG Calculator, Mileage log
Simple Fuel Tracker - MPG Calculator, Mileage log
Simple Fuel Tracker - MPG Calculator, Mileage log
by Rafael Mursalov
Free

Track your vehicle's mileage and fuel economy with this straightforward utility. It offers statistics and international support for various measurement units. The app is designed for ease of use and is completely free with no ads or in-app purchases.

Mileage trackingFuel economy calculationStatistics
🔧 Utilities
(6)
free
15
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Calculates fuel usage and cost
Free

This application helps users calculate their fuel consumption and associated costs. It utilizes standard units commonly used in the USA, such as miles, dollars, and U.S. gallons.

Fuel consumption calculationCost calculationUses US standard units (miles, $, gallons)
✈️ Travel
(6)
free
16
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
17
Calculator
Calculator
Calculator
by Apple
Free

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

Basic and scientific calculatorsType or write math expressionsInline equation solving
🔧 Utilities
(8.9K)
free
18
Calculator Pro Elite
Calculator Pro Elite
Calculator Pro Elite
Best Calculator
$9.99

A highly customizable calculator app offering a modern interface and powerful features. Personalize themes, button layouts, and visual elements to your preference. Track and save calculations with a detailed history, and access scientific functions when needed.

Customizable themes with gradients, colors, or photosMultiple button shapes and color customizationDual-line display for input and result
🔧 Utilities
(2.1K)
free with in-app purchases
19
QuickMPG - gas mileage calculator
QuickMPG - gas mileage calculator
QuickMPG - gas mileage calculator
by Steven Romej
Free

Easily calculate your vehicle's gas mileage on a single screen. Track your fuel efficiency over time with historical data and quick comparison features. Ideal for anyone needing a straightforward way to monitor MPG.

One-screen calculationHistorical MPG dataQuick comparison of ratings
🔧 Utilities
(10)
free
20
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(770)
free with in-app purchases

FAQ about Mpg Calculator App

What is the best mpg calculator app for iPhone?
Road Trip MPG Lite tops our mpg calculator app ranking as of July 2026, with a 4.4-star average from 44 App Store ratings, and it's free to download.
Yes — 17 of the top mpg calculator app we rank are free to download, including Road Trip MPG Lite and Fuelly: MPG & Service Tracker.
Road Trip MPG Lite has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
Road Trip MPG Lite is an iPhone application designed to help you track your car's mileage, fuel economy, and maintenance expenses. It provides a fast and easy way to log your fuel purchases and view statistics on your vehicle's performance.
Key features include the fastest and easiest keypad entry for fuel, price, and odometer input, single-touch fuel addition, fuel price/mileage graphing and statistics on a single screen, support for partial fill-ups, and full international support for various units.