Racira Calculator

Cycling & Water Sports Calculators

Explore 36 professional-grade calculators for cycling & water sports.

Cycling Power Calculator

Estimate the power (Watts) required to ride at a certain speed.

Cycling Distance from Calories Calculator

Calculate cycling distance from calories calculator online with our free tool.

Cycling Gear Ratio Calculator

Calculate cycling gear ratio calculator online with our free tool.

Cycling Power-to-Weight Ratio Calculator

Calculate cycling power-to-weight ratio calculator online with our free tool.

Training Stress Score Calculator

Calculate training stress score calculator online with our free tool.

Watts per kg Calculator

Calculate watts per kg calculator online with our free tool.

Cycling Hill Climb Calculator

Calculate cycling hill climb calculator online with our free tool.

Lap Count Calculator

Calculate lap count calculator online with our free tool.

Open Water Pace Calculator

Calculate open water pace calculator online with our free tool.

Rowing Split Calculator

Calculate rowing split calculator online with our free tool.

Swim Efficiency Calculator

Calculate swim efficiency calculator online with our free tool.

Streamline Position Drag Calculator

Calculate streamline position drag calculator online with our free tool.

Cycling Aerodynamic Drag Calculator

Calculate cycling aerodynamic drag calculator online with our free tool.

Swim Meet Cut Time Calculator

Calculate swim meet cut time calculator online with our free tool.

Cycling Power (Wattage) Calculator

Calculate cycling power (wattage) calculator online with our free tool.

FTP Test Calculator

Calculate ftp test calculator online with our free tool.

Cycling Wind Resistance Calculator

Calculate cycling wind resistance calculator online with our free tool.

Cycling Energy Calculator

Calculate cycling energy calculator online with our free tool.

Swim Training Volume Calculator

Calculate swim training volume calculator online with our free tool.

Kayaking Speed Calculator

Calculate kayaking speed calculator online with our free tool.

Water Entry Force Calculator

Calculate water entry force calculator online with our free tool.

Cycling Training Volume Calculator

Calculate cycling training volume calculator online with our free tool.

Critical Swim Speed Calculator

Calculate critical swim speed calculator online with our free tool.

Paddleboard Pace Calculator

Calculate paddleboard pace calculator online with our free tool.

Cycling Climbing Score Calculator

Calculate cycling climbing score calculator online with our free tool.

Swim Stroke Rate Calculator

Calculate swim stroke rate calculator online with our free tool.

Cycling VAM Climbing Rate Calculator

Calculate cycling vam climbing rate calculator online with our free tool.

Cycling Cadence Calculator

Calculate RPM from speed, gear ratio, and tire circumference.

Cycling Wattage Calculator

Estimate power output (watts) required to maintain a specific speed on a given gradient.

Training Stress Score (TSS) Calculator

Calculate the TSS for a cycling workout based on intensity and duration.

Cycling Speed Calculator

Calculate cycling speed from cadence, gear ratio, and wheel size.

Swimming Split Calculator

Generate target split times for swimming events.

SWOLF Score Calculator

Calculate your SWOLF score to measure swimming efficiency (strokes + time).

Swimming Pace Calculator

Calculate swimming pace per 100m or 100y based on time and distance.

Critical Swim Speed (CSS) Calculator

Calculate your CSS pace to determine aerobic swimming thresholds.

Swimming Time Conversion

Convert swim times between short course yards, short course meters, and long course meters.