Commute Cost & CO₂ Savings Calculator

See how much you could save each year by switching from a car to an e-bike — plus the estimated CO₂ impact.

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Tip: Start with the basic commute fields. Only adjust “Advanced assumptions” if you want to fine-tune the estimate.

Basics

One-way commute distance (miles)

Example: 8 miles one way → 16 miles/day.

Days per week

Weeks per year

Quick car info

Car MPG

Gas ($/gallon)

Parking / tolls per day ($)

Advanced assumptions ▾

Optional. Use these to fine-tune maintenance, energy use, and emissions assumptions.

Car assumptions

Car maintenance ($ / mile)

Excludes fuel. Typical: 0.10–0.20

E-bike assumptions

Energy (Wh / mile)

Typical: 15–30 Wh/mi

Electricity ($ / kWh)

E-bike price ($)

E-bike lifespan (years)

Battery replacement ($)

Battery lifespan (years)

E-bike maintenance ($ / mile)

CO₂ assumptions

Gas CO₂ (g / gallon)

US EPA default ≈ 8.887 kg/gallon

Electricity CO₂ (g / kWh)

US mix varies by region