Miles you ride per week

Electricity price (p per kWh)
Default: the Ofgem price cap for July–September 2026. Check your own tariff.

Energy use (Wh per mile)
Typical e-bikes use 10–25 Wh per mile; 15 is a sensible middle for mixed assist.

What you spend now getting to work per week (£) — optional

Work out the cost