Budget Road Trip Fuel,
Miles to Dollars at the Pump.
Free driving calculators: real gas mileage (MPG), road trip fuel cost with passenger splits, EV vs gas comparison, tire size math, and commute cost per year.
Speed vs Fuel Economy
Aerodynamic drag reduces fuel efficiency by 15% when driving 75 mph instead of 65 mph.
Trip Gas Cost Splitting
Divide total fuel expense fairly across all passengers on road trips.
Actual vs Dashboard MPG
Tank-to-tank pump volume odometer calculations to verify dashboard accuracy.
FuelWise Tools
Gas Mileage (MPG) Calculator
Your real MPG from fill-up to fill-up — plus cost per mile and per 100 miles for budgeting.
Road Trip Fuel Cost Calculator
Total fuel cost for any trip — split per passenger, round trip included, with the fuel-up plan.
EV vs Gas Cost Calculator
Monthly and annual energy cost comparison — an EV and a gas car on your mileage at your local rates.
Tire Size Calculator
Compare two tire sizes — diameter change, sidewall height, and the speedometer error before you buy.
Commute Cost Calculator
The annual price of your drive — fuel, parking, and tolls, per day and per year, in black and white.
Practical Guides & Best Practices
How to Calculate Your Real Gas Mileage (MPG)
The fill-up-to-fill-up method, why dashboard MPG lies, and how many tanks you need for a trustworthy average.
EV vs Gas: The Real Cost Comparison (Beyond the Hype)
Energy cost is arithmetic — everything else is assumptions. Where EVs clearly win, where gas fights back, and how to run your own numbers.
How to Budget a Road Trip (Fuel Is Only 60% of It)
The fuel math, the fair split between passengers, and the four budget lines people forget until the drive home.