sports

Running Pace Calculator

Calculate average running pace from distance and total time

Cycling Pace Calculator

Calculate average cycling pace from distance and total time

Rowing Pace Calculator

Calculate average rowing pace from distance and elapsed time

Swim Pace Calculator

Calculate average swim pace from distance and total time

Average Speed From Distance Time Calculator

Calculate average speed in km per hour from distance and time

Race Time Improvement Percentage Calculator

Calculate percentage improvement between race times

Training Load Change Calculator

Calculate percentage change in training load values

Interval Session Total Time Calculator

Calculate total time for a full interval workout session

Race Time Projection Riegel Calculator

Project race time at a target distance using Riegel model

Interval Workout Total Time With Rest Calculator

Calculate full interval workout duration including warmup and cooldown

Training Pace Zones From Threshold Calculator

Estimate easy tempo and interval paces from threshold pace

Average Speed From Split And Rest Calculator

Compare moving speed and overall speed including stoppage time

Max Heart Rate Calculator

Estimate your maximum heart rate using the Tanaka formula based on age

Target Heart Rate Calculator

Find your target heart rate at a given intensity using the Karvonen method

Heart Rate Zone Calculator

Calculate all five heart rate training zones from your maximum heart rate

Fat Burning Zone Calculator

Find the heart rate range that maximizes fat oxidation during cardio

Heart Rate Recovery Calculator

Measure cardiovascular fitness by comparing peak heart rate to recovery rate after exercise

Running Calorie Calculator

Estimate calories burned running based on body weight and distance

Cycling Calorie Calculator

Estimate calories burned cycling based on weight duration and average speed

Walking Calorie Calculator

Estimate calories burned walking based on body weight distance and pace

Swimming Calorie Calculator

Estimate calories burned swimming based on weight duration and effort level

Steps To Calories Calculator

Convert daily step count to estimated calories burned based on body weight

5K Pace Calculator

Calculate your average pace per km or mile for a 5K race or training run

Half Marathon Pace Calculator

Calculate average pace per km or mile for a half marathon from total time

Marathon Pace Calculator

Calculate marathon pace per km and per mile from your goal finish time

VO2 Max Running Calculator

Estimate VO2 max from the Cooper 12-minute run test distance

Stride Length Calculator

Estimate stride length from height gender and cadence for pace and gait analysis

Steps To Km Calculator

Convert a step count to kilometres using stride length

Steps To Miles Calculator

Convert a step count to miles using stride length in inches

One Rep Max Calculator

Estimate your one rep max using the Epley formula from any set weight and reps

Bench Press 1RM Calculator

Estimate bench press one rep max using the Epley formula

Wilks Score Calculator

Calculate Wilks score to compare powerlifting strength across different body weights

Batting Average Calculator

Calculate baseball batting average from hits and official at-bats

ERA Calculator

Calculate earned run average for a pitcher from earned runs and innings pitched

Slugging Percentage Calculator

Calculate slugging percentage from hit breakdown and total at-bats

On Base Percentage Calculator

Calculate on-base percentage from hits walks and hit by pitch statistics

WHIP Calculator

Calculate pitcher WHIP from walks and hits allowed per innings pitched

True Shooting Percentage Calculator

Calculate true shooting percentage accounting for two-point three-point and free throw efficiency

Effective Field Goal Percentage Calculator

Calculate effective field goal percentage giving extra weight to three-point shots

Basketball Game Score Calculator

Calculate John Hollinger's game score stat from a basketball box score

Winning Percentage Calculator

Calculate winning percentage from wins losses and ties for any sport or team

Elo Rating Calculator

Calculate Elo rating change after a match result using the standard K-factor formula

Goalie Save Percentage Calculator

Calculate goalie save percentage from saves and total shots on goal

Goals Against Average Calculator

Calculate goalie GAA from goals allowed and total minutes played

NFL Passer Rating Calculator

Calculate NFL passer rating from completions attempts yards touchdowns and interceptions

Cycling Wattage Calculator

Estimate cycling power output in watts from rider weight speed and road gradient

Bike Cadence Calculator

Calculate pedalling cadence in RPM from speed wheel size and gear ratio

Cycling Heart Rate Zones Calculator

Calculate cycling training zones from maximum heart rate

E-Bike Range Calculator

Estimate e-bike range from battery capacity weight speed and average gradient

Hiking Time Calculator

Estimate hiking time using Naismith rule for distance and elevation

Hiking Calorie Calculator

Estimate calories burned hiking based on body weight duration and pack weight

Swim Split Per 100m Calculator

Calculate swim split time per 100 metres from total distance and time