Fuel Tank Range Calculator
Calculate how far you can drive on your current fuel level based on tank size, vehicle MPG, and fuel percentage remaining.
Driving Range
400 miles
Range (km)
644 km
Usable Fuel
16.0 gal
Full Tank Range
400 mi
๐ก How to Use the Fuel Tank Range Calculator
How to Calculate Driving Range
Knowing your driving range helps prevent running out of fuel and plan stops on road trips.
Range = Tank Size ร (Fuel Level รท 100) ร MPG
Example: 16-gallon tank at 50% fuel in a 25 MPG car: 16 ร 0.50 ร 25 = 200 miles
Average Tank Sizes by Vehicle Type
| Vehicle Type | Tank (gal) | Full Range (25 MPG) |
|---|---|---|
| Compact Car | 12โ14 | 300โ350 mi |
| Midsize Sedan | 14โ17 | 350โ425 mi |
| SUV | 18โ24 | 360โ480 mi |
| Full-Size Truck | 26โ36 | 400โ540 mi |
When to Fill Up
Most fuel gauges become inaccurate below ยผ tank. Running very low can also damage the fuel pump (which uses fuel for cooling) and suck up sediment from the tank bottom. Best practice: fill up at ยผ tank.