Carbon Calculator

Ride. Don’t Drive.

Substitute 3 Roundtrip Car Rides with 3 Roundtrip Bike Rides Per Week and Calculate your Annual Carbon Footprint Reduction and Annual Gas Money Saved.

Daily Roundtrip Miles:

Pounds of CO2 emissions saved annually by commuting by bicycle 3 times per week:

Annual Dollars saved on fuel by commuting by bicycle 3 times per week:


*Figures are based on averages and are provided as an estimation of individual footprint.

Assumptions:  As of 2005, the Environmental Protection Agency (EPA)  calculated that 19.4 lbs of CO2 are emitted for every gallon of gasoline burned.  A 2007 EPA annual report states that the average fuel efficiency for cars and light trucks in the United States is 20.2 miles/gallon. Calculations assume an average of $4.20 per gallon of gasoline.