Free Cycling Calculators
Free online cycling calculators for every rider. Calculate speed, power, gearing, bike fit, nutrition and more. Fast, accurate, no signup required.
Speed & Distance
Calculate cycling speed, distance, pace and timing for rides and races.
10 calculators →
Fitness & Training
Training zones, FTP testing, recovery metrics and fitness tracking calculators.
13 calculators →
Bike Fit
Frame sizing, saddle height, reach, stack and positioning calculators.
10 calculators →
Gearing
Gear ratios, development, chainring and cassette calculators for optimal drivetrains.
11 calculators →
Wheels & Tyres
Tyre pressure, spoke calculations, wheel sizing and tyre performance tools.
10 calculators →
Power & Performance
Watts per kilo, aerodynamics, climbing power and speed-from-power calculators.
10 calculators →
Nutrition
Ride fuelling, hydration, carb loading and recovery nutrition calculators.
9 calculators →
Maintenance
Chain wear, service intervals, brake pads, cable lengths and workshop calculators.
10 calculators →
Routes & Climbing
Climbing categories, gradient analysis, elevation and ride planning tools.
10 calculators →
Cost & Planning
Cycling costs, commute savings, budgeting and component life calculators.
10 calculators →
Training
Race pacing strategies, periodisation plans and structured training calculators.
1 calculators →
Aerodynamics
Drafting benefits, CdA estimation, wind tunnel equivalents and aero position calculators.
1 calculators →
Equipment
Tyre rollout, component compatibility, wheel building and equipment sizing calculators.
1 calculators →
Performance
Aerodynamic savings, weight impact analysis and performance optimisation calculators.
2 calculators →
Fitting
Handlebar width, position and fit calculators for optimal riding comfort.
1 calculators →
Touring & Bikepacking
Pannier loading, weight distribution and touring planning calculators.
2 calculators →
Reference
Useful cycling reference guides, size charts and performance data.
4 guides →
BikeCalcs — Free Cycling Calculators
BikeCalcs offers 111+ free cycling calculators across 16 categories, plus a set of reference guides. Whether you're calculating your FTP, dialling in tyre pressure, working out gear ratios or planning nutrition for a sportive, every tool is fast, accurate and requires no signup.
All calculators use metric measurements and are designed for UK cyclists. From weekend riders to competitive racers, BikeCalcs helps you make data-driven decisions about your riding, training and equipment.
Browse all 111+ calculators or search above to find exactly what you need.