Zwift Calculators
Explore our collection of zwift calculators designed to help you achieve your fitness goals.
Zwift Watt Per Kilo (w/kg) Calculator
Calculate your watts per kg for Zwift based on your Functional Threshold Power (FTP) and weight.
Zwift Category Calculator
Calculate your Zwift category based on your FTP and weight.
Zwift FTP & VO2 Max Calculator
Calculate your FTP, MAP, VO2 Max, and Training Targets from a Zwift ramp test using configurable protocols. Includes and workout file generation.
Zwift Workout Builder
Create custom structured indoor cycling workouts with a visual timeline builder. Export to .zwo files for Zwift.
Zwift Route Time Calculator
Calculate estimated completion times for all Zwift routes based on your FTP, weight, height, and target power zone. Features 280+ routes across all Zwift worlds with accurate physics-based time predictions.
Zwift Segment Time Calculator
Calculate estimated times for all 80 Zwift segments including Alpe du Zwift, Ventoux KOM, Epic KOM, and sprint segments. Get accurate physics-based predictions based on your FTP and weight.
Zwift Bike Calculator
Compare bike frames and wheels in Zwift to find the fastest setup for any route. Features 140+ frames and curated wheel sets with physics-based time comparisons.