Gas & Driving Fuel Calculators
Run the numbers on common driving decisions where intuition is usually wrong. Calculate whether driving farther for cheaper gas pays off, compute road trip fuel budgets, evaluate warehouse club break-even points, or compare premium vs regular gas costs.
Is It Worth Driving Farther for Cheaper Gas? Calculator
Work out whether a cheaper station across town really saves you money once you count the fuel burned getting there. Enter your mpg, tank size and the price gap.
Trip Fuel Cost Calculator: What a Drive Costs in Gas
Estimate what a road trip costs in gas from distance, your vehicle's mpg and the pump price you actually pay. The form opens on an illustrative September 2026 average.
Costco & Sam's Club Gas Break-Even Calculator
How many gallons a year you must buy before a Costco, Sam's Club or BJ's membership pays for itself on fuel savings — using your own measured price gap.
Premium vs Regular Gas: What the Upgrade Costs Per Year
See what running premium instead of regular costs over a year at the two prices you enter, and when the manufacturer actually requires it.
Gas vs EV Charging Cost Per Mile Calculator
Compare cents per mile for a gas car against home or public EV charging, at the pump price and electricity rate you enter.