Calculate cycling cadence and gear ratios
Analyze gear ratios, gear inches, and potential speed based on your drivetrain and cadence.
Calculate the ideal bicycle frame size using the LeMond method (Inseam efficiency).
Calculate the optimal number of links for your bicycle chain based on drivetrain specifications.
Calculate your W/kg ratio, the primary metric for cycling performance and climbing ability.
Estimate your electric bike's range based on battery capacity, assist level, and riding conditions.
Estimate calories burned performing burpees - one of the most efficient full-body exercises.
Calculate energy expenditure for over 20 specific activities using MET values.
Measure how quickly your heart rate drops after exercise. A key indicator of cardiovascular fitness.
Calculate training zones using the Karvonen formula or standard Max HR method.
Calculate calories burned jumping rope based on intensity and duration.
Calculate your optimal distribution of proteins, carbohydrates, and fats for your specific goals.
Calculate your Maximum Heart Rate (MHR) using the most accurate scientific formulas for your age and gender.
Estimate calorie burn for specific activities like sauna, snow shoveling, and more.
Estimate calories burned during various physical activities based on MET values.
Convert daily steps to distance and estimate calories burned based on METs.
Generate your Jim Wendler 5/3/1 workout numbers based on Training Max (90% of 1RM).
Estimate your Army Combat Fitness Test score. Minimum 60 points per event required.
Estimate your training zones based on Functional Threshold Power (FTP) or Lactate Threshold Heart Rate (LTHR).
Compare your arm span to your height. A key metric for rock climbing, swimming, and boxing reaches.
Estimate how much regular cycling adds to your life expectancy based on health studies.
Calculate bowling average, league handicap, and compare scores against benchmarks.
Calculate METs and VO2max from your Bruce Protocol treadmill stress test duration.
Calculate VO2 max from 12-minute run distance - standard fitness test used by military and police.
Official IAAF scoring for all 10 Olympic decathlon events.
Calculate the revised target score for rain-affected cricket matches.
Calculate Elo rating changes after competition
Calculate scores for the Women's Heptathlon with official IAAF formulas.
Calculate the theoretical maximum speed of a displacement hull based on its waterline length.
Predict how a match result affects your team's ICC T20 or ODI rating.
Generate an ascending pyramid training plan based on your 1-Rep Max to optimize strength and CNS activation.
Compare the efficiency and long-term cost of different bicycle chain lubricants.
Calculate energy expenditure for any activity using Metabolic Equivalents (METs).
Calculate the official NFL Quarterback Passer Rating based on game statistics. Maximum possible rating is 158.3.
Generate precise lap or kilometer splits for your target race time. Supports negative split strategies.
Estimate potential race time improvement from weight loss.
Predict your potential finish times across multiple distances using Riegel's famous formula.
Calculate Splits, Time, Distance and Wattage for Indoor Rowing.
Estimate the amount of lead weight needed for proper buoyancy while diving.
Calculate the combination of wins and opponent losses needed to clinch a title or playoff spot.
Estimate your average stride length based on height or a measured walk/run test.
Measure your vertical leap and calculate your explosive power output.
Calculate your weekly physical activity volume using MET-minutes.
Calculate the official win-loss ratio including ties (0.5 wins). Visualizing team performance benchmarks.
Calculate the Front of Center (FOC) percentage to optimize arrow flight stability and penetration potential.
Estimate fish weight from dimensions and calculate reel line capacity differences.
Calculate your round differential and track your World Handicap System (WHS) Index.
Estimate how long your hike will take using Naismith's Rule with pace adjustments.
Estimate the number of tennis balls or cans needed for a match.
Calculate your 5K running pace and splits
Calculate your age-graded performance percentage and equivalent 'prime' time based on WMA standards.
Calculate your cycling speed and compare it to professional standards.
Calculate your pace for any distance and compare your speed to nature's fastest.
Calculate your target marathon pace and finishing time
Calculate the Net Run Rate for a cricket team, which decides tournament standings.
Calculate your running pace, speed, or time. View accumulated splits for race planning.
Estimate your mechanical power output (Watts) based on pace and gradient.
Calculate your swimming pace per 100{unit} and see splits for common distances.
Calculate personalized training zones (Easy, Threshold, VO2 Max) based on race performance (VDOT estimation).
Estimate your maximal oxygen consumption (VO2 Max) using the Uth-Sørensen-Overgaard-Pramming heart rate ratio method.
Analyze your walking speed, pace, and estimated calorie burn.
Quickly calculate which plates to load on each side of the barbell for your target weight.
Calculate your one-rep max and training percentages
Estimate your Deadlift 1RM using a balanced formula optimized for heavy pulling.
Fat-Free Mass Index - Determine if your muscular development is within the natural biological limits.
Estimate your maximum strength using scientifically-validated formulas.
Estimate your one-rep max (1RM) for the Squat using the Epley formula.
Are you strong? Compare your one-rep maxes to your bodyweight to find your strength level.
Calculate your Wilks Score to compare strength levels across different body weights (Standard Wilks Formula).
Calculate the minimum room dimensions required for different pool table sizes and cue lengths.
Calculate your Critical Swim Speed (CSS), your theoretical aerobic threshold pace for endurance swimming.
Predict finish time based on distance and pace (per 100m/yd).
Calculate training zones tailored for Swim, Bike, and Run based on your max heart rate.
Estimate your total finish time for Sprint, Olympic, Half, or Full Ironman distances by discipline.
Estimate your total finish time for Sprint, Olympic, Half, or Full Ironman distances by discipline.
Calculate key sabermetrics including FIP, WAR, and Fielding Percentage.
Calculate AVG, OBP, SLG, and OPS - the core metrics for evaluating hitters.
Calculate standardized ERA and WHIP metrics to evaluate pitching performance.
Calculate advanced efficiency metrics: True Shooting (TS%) and Effective Field Goal (eFG%) percentages.
Evaluate a player's single-game productivity with Hollinger's Game Score formula.
Calculate Batting Average and Strike Rate. Compare your performance against cricket legends.
Calculate if a team can enforce the follow-on in cricket matches based on the lead and match duration.
Calculate Field Goal percentage, Punting Average, and Net Punting performance.
Calculate total scores and margins for Gaelic Football and Hurling matches.
Calculate key performance metrics for hockey goalies and players.
Estimate the probability of a shot resulting in a goal based on distance, angle, and situation.
