Best Mpg Calculator Apps

245+ iOS apps curated and reviewed

3.7 avg rating
18 free apps
Updated August 2026

Looking for free mpg calculator apps? 18 of our 245+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Mpg Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fuelly: MPG & Service TrackerFuelly: MPG & Service TrackerFree4.7★ (29K)NoYesAug 2026
2Fuel Cost: MPG CalculatorFuel Cost: MPG CalculatorFreeNoYesAug 2026
3Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0★ (6)NoNoJul 2026
4MPG Tracker & CalculatorMPG Tracker & CalculatorFree4.3★ (3)NoNoMay 2026
5Gas Mileage Calculator and LogGas Mileage Calculator and LogFree4.3★ (385)NoYesAug 2026
6MPG CalculatorMPG CalculatorFree1.0★ (1)NoNoMay 2026
7Road Trip MPG LiteRoad Trip MPG LiteFree4.4★ (44)NoNoAug 2026
8Simple MPG CalculatorSimple MPG CalculatorFree1.0★ (1)NoNoMay 2026

Top Picks for Mpg Calculator

Fuelly: MPG & Service Tracker#1

Fuelly: MPG & Service Tracker by Fuelly, LLC

MPG, Mileage & Fuel Economy
Editor's Choice
💰 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

More Mpg Calculator apps to explore

4
MPG Tracker & Calculator
MPG Tracker & Calculator
MPG Tracker & Calculator
Track, Log & Calculate MPG's
Free

Easily calculate and monitor your vehicle's fuel efficiency. Log your fill-ups to keep a detailed record of your gas mileage over time.

Calculate gas mileageTrack fuel efficiencyLog fill-ups
✈️ Travel
(3)
free
5
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
6
MPG Calculator
MPG Calculator
MPG Calculator
by George Richardson
Free

Easily calculate fuel efficiency in Litres/100kms or Miles/gallon using US or UK gallons. Input your journey's odometer readings and fuel used to get instant results. The app also converts between different fuel units for your convenience.

Calculate Litres/100kmsCalculate Miles/gallon (US/UK)Convert between fuel units
🗺️ Navigation
(1)
free
7
Road Trip MPG Lite
Road Trip MPG Lite
Road Trip MPG Lite
MPG and Mileage Tracking
Free

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.

Fast fuel, price, and odometer inputSingle-touch fuel entryFuel price/mileage graphing
💰 Finance
(44)
free
8
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
9
Fuel Calculators: MPG & Cost
Fuel Calculators: MPG & Cost
Fuel Calculators: MPG & Cost
Mileage, gear and tire tools
$0.99

Calculate fuel expenditure and efficiency in MPG or L/100km. Features include fuel consumption, cost, and distance calculators, plus unit converters for area, distance, and volume. Save time and money on your travels.

Fuel consumption calculationFuel cost and max distanceRelative fuel cost difference
💼 Business
(2)
paid
10
Fuel Calculator: MPG Converter
Fuel Calculator: MPG Converter
Fuel Calculator: MPG Converter
Converts MPG to L/100KM
$0.99

Easily convert between MPG and L/100 KM with this simple fuel calculator. Track your fuel efficiency and journey costs by entering fuel amounts, distance driven, and price per unit. Save your calculations for future reference.

MPG to L/100 KM conversionCalculate journey costSave conversion history
🔧 Utilities
(7)
paid
11
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
12
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
13
Fuel Usage Calculator
Fuel Usage Calculator
Fuel Usage Calculator
Simple gas usage tool
Free
🔧 Utilities
(0)
14
Simply Auto: Mileage Tracker
Simply Auto: Mileage Tracker
Simply Auto: Mileage Tracker
Complete Car Management App
Free

Manage all aspects of your vehicle, including fuel, maintenance, expenses, and trips. Track mileage, set reminders, and generate reports. Secure cloud backups and multi-device sync are available.

Fuel and expense trackingMaintenance remindersMileage recording
💰 Finance
(853)
free with in-app purchases
15
The Fuel Calculator
The Fuel Calculator
The Fuel Calculator
Fuel & EV trip calculator
Free
🔧 Utilities
(0)
16
MPG Fuel Converter
MPG Fuel Converter
MPG Fuel Converter
Convert MPG & L/100 km fast
Free
🔧 Utilities
(0)
17
Easy Mileage Calculator
Easy Mileage Calculator
Easy Mileage Calculator
by SoelTech Automation Inc
Free

This app helps you easily calculate and track your vehicle's fuel consumption. It supports various units of measurement and can help identify potential engine issues or driving habit improvements. Ideal for travelers or those with vehicles from different measurement systems.

Calculate fuel economyTrack gasoline usageSupports metric, U.S., and Imperial units
🔧 Utilities
(4)
free
18
Mileage Calculator Pro
Mileage Calculator Pro
Mileage Calculator Pro
Track Your Fuel Efficiency
Free
🔧 Utilities
(0)
19
3X Calculator
3X Calculator
3X Calculator
by kuo ching liew
Free
🔧 Utilities
(0)
20
Fuel Cost Calc
Fuel Cost Calc
Fuel Cost Calc
Trip fuel cost made simple
Free
✈️ Travel
(0)

FAQ about Mpg Calculator

What are the best mpg calculator apps for iPhone?
Fuelly: MPG & Service Tracker tops our mpg calculator apps ranking as of August 2026, with a 4.7-star average from 29K App Store ratings, and it's free to download.
Yes — 18 of the top mpg calculator apps we rank are free to download, including Fuelly: MPG & Service Tracker and Fuel Cost: MPG Calculator.
Fuelly: MPG & Service Tracker has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ mpg calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Fuelly helps you track your vehicle's fuel economy by calculating MPG and other metrics. It also allows you to log maintenance records and set up customizable reminders for services like oil changes and tire rotations, helping you save money on car ownership.
Key features include tracking gas mileage and maintenance, setting customizable service reminders, online synchronization with Fuelly.com, detailed charts for MPG and expenses, support for multiple vehicles, and the ability to export data in CSV format. It also supports various international units for fuel economy.

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