All Fuel Efficiency & MPG Calculators

Estimate the fuel cost of any trip using distance, MPG, and gas price.

Calculate annual, monthly, and weekly fuel costs based on your driving habits.

Calculate vehicle reimbursement amounts for business, travel, or tax purposes based on distance and rate.

Calculate how much fuel and money you save by switching to a more efficient vehicle.

Compare the fuel economy and annual costs of two vehicles side by side.

Track the real-world fuel economy of your specific car make, model, and year.

Calculate fuel efficiency for diesel vehicles in MPG or L/100km.

Calculate gasoline (petrol) fuel economy and annual fuel spend.

Calculate fuel economy for pickup trucks and commercial vehicles.

Calculate fuel economy for your RV or motorhome and estimate trip costs.

Calculate your boat's fuel efficiency in miles per gallon on water.

Calculate marine fuel efficiency in nautical miles per gallon (NMPG) for boats and ships.

Calculate UK MPG using Imperial gallons (4.546 L) for British vehicles.

Calculate fuel economy in L/100km for Canadian drivers with gas price estimates.

Calculate your fuel economy in miles per litre (MPL) for UK and international use.

Convert miles per gallon to litres per 100 kilometres and back instantly.

Convert MPG to kilometres per litre (km/L) for Indian and international use.

Convert US or UK MPG to miles per litre with instant two-way conversion.

Convert miles per gallon (MPG) to gallons per hour (GPH) based on cruising speed.

See exactly how much a 13 MPG vehicle costs in fuel per year at today's prices.

Calculate the annual and monthly fuel spend for an 18 MPG vehicle.

Calculate how much you spend on fuel each year driving a 25 MPG vehicle.

Find out the annual fuel cost for a 30 MPG vehicle at various gas prices.

Calculate how far your vehicle can travel on a single full tank of gas using tank size and average MPG.