Tools / Route Fuel Cost Planner

Route Fuel Cost Planner

Estimate the true fuel cost of a trip, how many fill-ups you'll need, and when it's worth detouring for cheaper fuel.

Beta data note: Live station prices are being added. Today the planner uses your entered regional average price and a sample station list — all station prices shown are estimates, not live quotes.

Your route

Enter your trip and vehicle. Click Calculate to auto-fill distance from OpenStreetMap, or enter it manually.

Start ZIP / postal code

Destination ZIP / postal code

Enter a US ZIP (e.g. 43555) or Canadian postal code (e.g. K1A 0B1).

Trip distance

Vehicle MPG

mpg

Fuel type

Regional avg price / gal (estimate)

Tank size

gal

Current fuel level

Optional

Max detour

Fuel card discount

¢/gal

Estimated trip fuel cost

Distance

250 mi

Gallons needed

2.5 gal

Fill-ups

Cost / mile

$0.04

Total gallons consumed

10 gal

Starting with 7.5 gal in tank

Effective price / gal

$3.50

No fuel-card discount applied

Is detouring for cheaper fuel worth it?

Minimum price-per-gallon savings needed to justify a detour at your MPG and tank size. Detour assumes out-and-back.

1 mi detour

1.9¢

per gallon savings needed

2 mi detour

3.7¢

per gallon savings needed

5 mi detour

9.3¢

per gallon savings needed

10 mi detour

18.7¢

per gallon savings needed

Nearby stations (sample)

Within 5 mi detour. Prices are estimates derived from your regional average — not live quotes.

Costco Wholesale

1.2 mi detour · est. $3.28/gal

+$0.21

est. net savings / fill

Pilot Travel Center

0.4 mi detour · est. $3.42/gal

+$0.09

est. net savings / fill

Shell

0.2 mi detour · est. $3.55/gal

-$0.18

est. net savings / fill

Love's Travel Stop

2.1 mi detour · est. $3.38/gal

-$0.29

est. net savings / fill

Sam's Club Fuel

3.4 mi detour · est. $3.32/gal

-$0.50

est. net savings / fill

Save this route & get price alerts

We'll email you when station-level prices launch and when prices drop along routes like your start → your destination.

Estimates only. Real-world costs vary with traffic, terrain, weather, driving style, regional taxes, and fuel-card terms. Need the simpler weekly view? Try the Fuel Cost Calculator.