205+ iOS apps curated and reviewed
The best simple mpg calculator apps on iPhone average 4.5★ across 205+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Easily calculate your vehicle's miles per gallon (MPG) at the gas station. This straightforward utility helps you track fuel efficiency quickly and efficiently.
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.
This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.
Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.
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.
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.
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.
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.
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.
This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.
This app uses your phone's GPS to display your current speed accurately. It supports multiple units, shows traveled distance, and offers optional city names and a compass. You can also record trip statistics like maximum speed and distance.
This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.
Track fuel expenses, operating costs, and maintenance for all your vehicles. Gain insights into total cost of ownership and improve efficiency with smart reminders and analytics.
A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.
This app combines five essential calculation tools into one convenient package. It offers standard, scientific, unit conversion, loan, and tip calculators with a user-friendly interface and large buttons. Available on multiple Apple devices, it streamlines everyday calculations.
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.
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.
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.
This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.
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.