Percentage calculator
Calculate percentages online, including percent of a number, percentage increase, and percentage decrease.
Fuel cost calculator
Estimate trip fuel usage and cost from distance, efficiency, and fuel price.
Works on your device. Your files are never uploaded.
Preparing this page for offline use…
How to use Fuel cost calculator
Enter distance, fuel economy, and price per litre or gallon. Choose metric, US, or UK units and an optional return journey. Prices are supplied by you, so this works offline.
Files and calculations stay on your device. After this page and its assets have loaded, it works without an internet connection.
Fuel cost calculator FAQs
Is Fuel cost calculator free?
Fuel cost calculator is a free online tool on ReallyUseful.Tools. No account is required.
Does Fuel cost calculator run in my browser?
Fuel cost calculator is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
More Calculators
Age calculator
Calculate exact age from date of birth in years, months, days, and more with a simple online age calculator.
BMI calculator
Calculate your BMI online using height and weight. Get body mass index results with metric and imperial units.
Mortgage calculator
Estimate monthly mortgage payments with loan amount, interest rate, term, deposit, taxes, and fees.
Loan calculator
Calculate loan payments, total interest, and repayment schedules for personal loans and other borrowing.