Sports Calculators

Running Pace Calculator Find your pace and speed from distance and time. Steps to Kilometers Calculator Convert step count to distance. Marathon Pace Calculator Find the pace needed for a target finish time. Race Time Predictor Predict a race time from another distance (Riegel). Stride Length Calculator Estimate running stride length from height. Steps to Miles Calculator Convert step count to miles. Magic Mile Calculator Predict race times from a one-mile time trial (Galloway). VO2 Max Runners Calculator Estimate VO₂ max from a recent race (Daniels). Training Pace Calculator Find easy, tempo and interval paces from a recent race pace. Race Time Improvement Calculator Find the percentage improvement between two race times. Running Split Calculator Find the even split time for each segment of a race. Half Marathon Pace Calculator Find the pace needed for a target half-marathon time.

Bike Gear Calculator Find gear inches and development from your gearing. Bike Cadence and Speed Calculator Find speed from cadence and gearing. Bike Pace Calculator Find cycling speed and pace from distance and time. E-Bike Range Calculator Estimate e-bike range from battery and consumption. Bike Size Calculator Estimate road bike frame size from height. Cycling Wattage Calculator Estimate the power needed to ride at a given speed. Chain Length Calculator Find the bike chain length from chainstay and gearing. Cycling Breakaway Calculator Find how long it takes the peloton to catch a breakaway. Cycling Heart Rate Zone Calculator Find cycling heart rate zones from your threshold HR.

Calories Burned Calculator Estimate calories burned during exercise (MET method). Steps to Calories Calculator Estimate calories burned from steps. Running Calorie Calculator Estimate calories burned running by distance. Walking Calorie Calculator Estimate calories burned walking by distance. Swimming Calorie Calculator Estimate calories burned swimming. Stairs Calorie Calculator Estimate calories burned climbing stairs. Burpee Calorie Calculator Find the calories burned doing burpees. Calories Burned by Heart Rate Calculator Estimate calories burned from your average heart rate. Elliptical Calorie Calculator Find calories burned on an elliptical trainer. Fat Burning Zone Calculator Find your fat-burning heart rate zone. Hiking Calculator Find calories burned hiking. Jump Rope Calorie Calculator Find calories burned skipping rope. Sauna Calories Burned Calculator Estimate the modest calories burned in a sauna. Snow Shoveling Calories Burned Calculator Find calories burned shoveling snow. Calories Burned Biking Calculator Find calories burned cycling. Football Calorie Calculator Find calories burned playing football (soccer). Calories Burned Standing Calculator Find the extra calories burned standing instead of sitting. Calories Burned Weight Lifting Calculator Find calories burned during weight training. Weight Loss Calculator Estimate weight loss from a daily calorie deficit.

One-Rep Max Calculator Estimate your 1RM from a weight and reps (Epley formula). VO₂ Max Calculator (Cooper Test) Estimate VO₂ max from a 12-minute run distance. Heart Rate Recovery Calculator Find heart rate recovery after exercise. MET Minutes Calculator Find weekly MET-minutes of activity. Hiking Time Calculator (Naismith) Estimate hiking time from distance and ascent. Heart Rate Zone Calculator Find your five training heart rate zones. Anaerobic Threshold Calculator Estimate your anaerobic threshold heart rate. Bruce Protocol METs Calculator Estimate VO₂ max from treadmill test time. ERG Calculator Convert rowing erg 500 m split to power. Age Grade Calculator Compare your race time to the age-and-gender standard. Ape Index Calculator Find your ape index (arm span minus height). Human Punch Force Calculator Estimate the force of a punch. Cycling Power Zones Calculator Find training power zones from your FTP. Average Triathlon Finishing Time Calculator Add up the legs and transitions for a total triathlon time. Triathlon Nutrition Calculator Plan carbs, fluid and sodium for a triathlon. DIY Sports Drink Calculator Find the sugar and salt for a homemade sports drink. Arrow FOC Calculator Find an arrow's front-of-center (FOC) balance percentage. Ski Size Calculator Find a recommended ski length for your height and skill.

Barbell Plate Calculator Find the weight to load on each side of a barbell. Bench Press Percentage Calculator Find training weights from your one-rep max. Wilks Calculator Compare powerlifting totals across bodyweights. Bench Press Calculator (1RM) Estimate your bench press one-rep max. Bench Press Pyramid Calculator Find pyramid set weights from your 1RM. 5/3/1 Calculator Find Wendler 5/3/1 working weights from your 1RM.

Hull Speed Calculator Find a displacement hull's theoretical top speed. Scuba Weight Calculator Estimate starting weight for scuba diving. Fish Weight Calculator Estimate a fish's weight from length and girth. Swim Pace Calculator Find swimming pace per 100 m. Fishing Reel Line Capacity Calculator Estimate how much line a reel spool holds. Kiteboarding Calculator Estimate the kite size for your weight and the wind. Windsurfing Calculator Estimate the sail size for your weight and the wind.

Batting Average Calculator Calculate a baseball batting average. Winning Percentage Calculator Calculate a team's winning percentage. ERA Calculator Find a pitcher's earned run average. Slugging Percentage Calculator Find a hitter's slugging percentage. On-Base Percentage Calculator Find a baseball hitter's OBP. WHIP Calculator Find a pitcher's walks + hits per inning. Fielding Percentage Calculator Find a fielder's success rate. Save Percentage Calculator Find a goalie's save percentage. True Shooting Percentage Calculator Find basketball true shooting efficiency. Effective Field Goal Percentage Calculator Find eFG%, adjusting for 3-pointers. Net Run Rate Calculator Find a cricket team's net run rate. Batting Strike Rate Calculator Find a cricket batter's strike rate. FIP Calculator (Fielding Independent Pitching) Find a pitcher's FIP, which strips out fielding luck. WAR Calculator (Wins Above Replacement) Combine run contributions into Wins Above Replacement. Magic Number Calculator Find how many wins clinch a division or playoff spot. Bowling Average Calculator Find a cricket bowler's average. Cricket Follow-On Calculator Check whether the follow-on can be enforced in a Test match. Duckworth Lewis Calculator Find a rain-adjusted target using the resource percentages. Dunk Calculator Find the vertical jump needed to dunk a basketball. Game Score Calculator (Basketball) Find a player's Hollinger Game Score. Passer Rating Calculator Find an NFL quarterback's passer rating. GAA Calculator (Goals Against Average) Find a goalie's goals against average. Elo Calculator Find updated Elo ratings after a game. Pool Table Room Size Calculator Find the room size needed around a pool table.