Free tools

Free cycling calculators

Quick, free tools for the numbers behind your training. No account, no email: the result appears as you type.

• FTP calculatorYour FTP and power zones from a 20-minute test or a ramp test.
• Power zones calculatorYour six training zones in watts, from your FTP.
• W/kg calculatorYour power-to-weight ratio, and roughly what it means.
• Heart-rate zones calculatorFive training zones in bpm, from your threshold heart rate.