Best The Fuel Calculator Apps

218+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated May 2026

The Fuel Calculator is the household name in the fuel calculator, but it's far from the only option. We track 218+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for The Fuel Calculator

ClevCalc - Calculator#2

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Strong Contender
📊 Productivity
4.7😊(12K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
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)
Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(60K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features

More The Fuel Calculator apps to explore

4
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
5
Roadtrip Gas Price Calculator
Roadtrip Gas Price Calculator
Roadtrip Gas Price Calculator
Split the cost of fuel!
Free

Effortlessly calculate your road trip expenses, including fuel costs based on your car model and current gas prices. Easily split costs with friends, compare routes for savings, and track your carbon emissions for a more eco-conscious journey.

Calculate fuel costsSplit expenses with friendsCompare routes for savings
✈️ Travel
(218)
free with in-app purchases
6
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
7
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
MPG, Mileage & Fuel Economy
Free

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.

Tracks gas mileage and vehicle maintenanceCustomizable service remindersOnline sync to Fuelly.com
💰 Finance
(28K)
freemium
8
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
9
Fuel Cost Calculator - Fast
Fuel Cost Calculator - Fast
Fuel Cost Calculator - Fast
How much do you spend on fuel?
Free

Quickly estimate fuel costs for any journey by inputting distance and your vehicle's MPG. Adjust the price per gallon for accurate, real-time calculations. Ideal for travelers and budget-conscious drivers.

Estimate fuel cost for any journeyInput distance in milesEnter vehicle's MPG
🔧 Utilities
(1)
free with in-app purchases
10
GasBuddy: Find & Pay for Gas
GasBuddy: Find & Pay for Gas
GasBuddy: Find & Pay for Gas
Cheap fuel prices and rewards
Free

Find the cheapest fuel prices in your area and earn rewards for saving money on gas. This app helps you locate stations, compare prices, and redeem points for discounts through various activities like snapping receipts and playing games.

Find cheapest gas pricesReport and view gas pricesEarn rewards points
✈️ Travel
(447K)
free with in-app purchases
11
Aviation Fuel Calculator
Aviation Fuel Calculator
Aviation Fuel Calculator
Fuel Unit Converter for Pilots
$1.99
🔧 Utilities
(0)
12
Fuel Trip Calculator
Fuel Trip Calculator
Fuel Trip Calculator
by Bogdan Kurpakov
Free
💰 Finance
(0)
13
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

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.

High precision calculation engineResults displayed while typingMultiple undo functionality
🔧 Utilities
(268)
ad-supported
14
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
(3K)
ad-supported
15
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
16
Bunker One - Fuel Calculator
Bunker One - Fuel Calculator
Bunker One - Fuel Calculator
by Askapps
Free

This app provides a suite of calculators for marine fuel standards, including CCAI, Cetan Index, and blending calculations. It supports ISO 8217 and ASTM standards, with all inputs and outputs in SI units. Users can also access news and updates from the developer.

ISO 8217 fuel standard lookupCCAI Number calculationCetan Index calculation (old & new methods)
💼 Business
(2)
free
17
Toll & Gas Calculator TollGuru
Toll & Gas Calculator TollGuru
Toll & Gas Calculator TollGuru
Cheap Trip Car Truck Toll RV
Free

Calculate toll and fuel costs for various vehicle types across multiple countries. Find the cheapest, fastest, or most optimal routes by considering time and cost trade-offs. Supports various payment methods and toll tags.

Calculate tolls and fuel costsFind cheapest and fastest routesEstimate fuel expenses
🗺️ Navigation
(2.1K)
free with in-app purchases
18
Two Stroke Mix Calculator
Two Stroke Mix Calculator
Two Stroke Mix Calculator
Manage your premix fuel/gas
Free

This app simplifies the process of mixing 2-stroke fuel for various engines. It calculates the precise amount of oil needed for any fuel quantity and ratio, and helps track stored fuel freshness and expiry dates.

Quick mix calculationTrack stored fuel profilesFuel age and expiry tracking
🔧 Utilities
(54)
free
19
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

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.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(3.8K)
paid
20
Fuel MPG Calculator
Fuel MPG Calculator
Fuel MPG Calculator
Fuel Expense, MPG Bill Manager
Free
$1.99 | 100% OFF

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.

Multi-vehicle managementSmart fuel and energy trackingTotal Cost of Ownership (TCO) analysis
📊 Productivity
(352)
free with in-app purchases