Cycling ride time estimator
Physics-based ETA using Newton-Raphson velocity solver.
Most advanced cycling calculator
Estimate your ride. With real physics.
Upload your GPX route file and get accurate ride time estimates based on real physics — gravity, aerodynamic drag, and rolling resistance.
No registration, no ads, completely free to use.
Estimate Your Cycling Ride Time with Precision
ETA is the most advanced cycling calculator and bicycle ride estimator available online.
Upload a GPX or FIT file
From Strava, Komoot, Garmin, or any cycling app.
Define surface segments
Mark road, gravel, cobblestone, dirt, and more on the interactive map.
Enter rider data
Weight, power output, and aerodynamic position.
Get results
Estimated ride time, optimal tire pressure, and segment-by-segment analysis.
Features
Tire pressure optimization
Per-surface rolling resistance modeling for 10 surface types.
Elevation profile analysis
High-performance canvas rendering with interactive hover.
Interactive route map
Powered by MapLibre GL with segment color coding.
GPX route analyzer
Supports files from Strava, Garmin, Komoot, RideWithGPS, and more.
Free bicycle calculator
No registration, no ads, completely free to use.
Tire Pressure Calculator & Optimizer
Our tire pressure calculator helps you find the optimal PSI for any surface. Whether you ride road, gravel, or MTB — ETA analyzes your route segment by segment and recommends the best tire pressure optimization for minimal rolling resistance and maximum comfort.
Estimate your ride
Analyze your route for optimal tire choice