Best Fuel Calculator Diesel Apps

217+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

Whether you're new to fuel calculator diesel or looking for an upgrade, our curated collection of 217+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Fuel Calculator Diesel

Roadtrip Gas Price Calculator#2

Roadtrip Gas Price Calculator by Kodeword Limited

Split the cost of fuel!
Strong Contender
✈️ Travel
4.7😐(218 ratings)
FreeIn-App Purchases
Roadtrip Gas Price Calculator screenshot 1
Roadtrip Gas Price Calculator screenshot 2
Roadtrip Gas Price Calculator screenshot 3
Roadtrip Gas Price Calculator screenshot 4

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.

What We Love

  • 👍 Helpful for planning trips
  • 🚀 Accurate fuel cost estimates
  • 💡 Useful for splitting costs with friends
  • 🚗 Integrates with vehicle details

Room to Improve

  • 💰 Requires subscription for basic features
  • 🐛 Inaccurate or missing fuel price data
  • 🚧 Difficult to add/remove vehicles
ClevCalc - Calculator#3

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Worth Considering
📊 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)

More Fuel Calculator Diesel apps to explore

4
Mudflap
Mudflap
Mudflap
Instant Diesel Discounts
Free

Save on diesel fuel at over 2,800 truck stops nationwide with instant discounts. Access free, truck-safe GPS navigation that avoids low bridges and weight restrictions. Simply link your card to start saving.

Instant diesel discounts2,800+ truck stop locationsFree truck-safe GPS navigation
🗺️ Navigation
(4.3K)
ad-supported
5
Fuelbook
Fuelbook
Fuelbook
Truck Stop Diesel Prices
Free

Find nationwide truck stop diesel prices to save money on fuel. Access over 5000 truck stop locations with up-to-date pricing information. A trusted resource for professional drivers since 2010.

Nationwide diesel price searchOver 5000 truck stop locationsSave money on fuel
🗺️ Navigation
(1.2K)
free
6
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
7
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
8
10-4 by WEX
10-4 by WEX
10-4 by WEX
Diesel savings for truckers
Free

This app helps truckers find and pay less for diesel fuel nationwide. It provides a fuel map with discounts at popular truck stops and allows secure payment directly through the app. Users can track their purchases, rewards, and savings.

Nationwide fuel mapDiesel discount finderSecure in-app payment
🗺️ Navigation
(3.4K)
free
9
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
10
Fuel Trip Calculator
Fuel Trip Calculator
Fuel Trip Calculator
by Bogdan Kurpakov
Free
💰 Finance
(0)
11
Fuel Tank Charts
Fuel Tank Charts
Fuel Tank Charts
Fuel Haulers Pocket Charts
Free

This utility app provides fuel haulers with quick access to tank charts and loading weights for diesel and gasoline. It allows users to reference stick readings for tank ullage at specific percentages and customize stick increments for precise measurements.

Tank chart lookupDiesel/Gasoline loading weightsUllage reference (90%/95%)
🔧 Utilities
(3)
free
12
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
13
Multi Service Fuel Card
Multi Service Fuel Card
Multi Service Fuel Card
Truck stop, fuel price locator
Free

Locate over 6,500 truck stops with high-flow diesel across the U.S. Find stops near you or along your route, and manage your fuel cards and discounts if you're a customer.

Find truck stopsView fuel pricesAccess amenity details
✈️ Travel
(19)
ad-supported
14
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
15
Trip fuel cost calculator
Trip fuel cost calculator
Trip fuel cost calculator
Trip fuel consumption and cost
$3.99
$5.99 | 33% OFF

Estimate your trip's fuel consumption and cost by entering distance, vehicle's fuel efficiency, and fuel price. Optionally add toll costs and passenger numbers for a per-person breakdown. Supports imperial and metric units.

Fuel consumption estimationTrip cost calculationToll cost addition
✈️ Travel
(1)
paid
16
Fuel Calculators: MPG & Cost
Fuel Calculators: MPG & Cost
Fuel Calculators: MPG & Cost
Car Economy Calc, Converter
$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
17
Fuel Tracker Gas & Mileage Log
Fuel Tracker Gas & Mileage Log
Fuel Tracker Gas & Mileage Log
Monitor car fuel expenses
Free

Easily track your vehicle's fuel consumption and mileage. Log gas purchases, calculate fuel economy, and view detailed statistics and plots of your driving data. Supports multiple units and data synchronization.

Track fuel log (quantity, price, odometer)Calculate gas mileage and costView statistics and plots
🔧 Utilities
(608)
freemium
18
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
(377)
free with in-app purchases
19
Petty: Petrol Prices AU + UK
Petty: Petrol Prices AU + UK
Petty: Petrol Prices AU + UK
Cheap Fuel Finder, Price Map
Free

Find the cheapest petrol and diesel prices across Australia and the UK with real-time government data. Save money on every tank by comparing prices, tracking trends, and getting notified when prices drop at your favorite stations. Offers hands-free options and home screen widgets for convenience.

Real-time government fuel dataPrice comparison mapFavorite station notifications
🗺️ Navigation
(5)
freemium
20
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