Idling Cost

Estimate the fuel used while parked with the engine running.

Your numbers

Enter your numbers to see the result.

How Idling Cost works

Fuel per session = gallons per hour × minutes ÷ 60. Multiply by fuel price, monthly sessions and 12 for annual idling cost.

A worked example

These sample values illustrate the calculation. Use your own numbers in the calculator for your result.

Example inputs
Idle consumption (gallons/hour)
0.3
Minutes per session
15
Gas price ($/gallon)
3.5
Sessions per month
20
Annual idling cost
$63.00
Per session
$0.26
Monthly
$5.25
Fuel per session
0.075 gal

Assumptions and limits

Idle consumption varies greatly by vehicle and conditions. The sample rate is an editable assumption.

Check lender terms and manufacturer guidance. These estimates do not replace a mechanical inspection.