Sports Calculators
Performance analytics, training science, team stats, and game analysis calculators.
Running Pace Calculator
Calculate your running pace per mile or kilometer from your total distance and finish time.
Race Time Predictor
Predict your race finish time for any distance based on a recent race result using the Riegel formula.
Marathon Pace Calculator
Calculate your required marathon pace per mile to hit your target finish time for the full 26.2-mile distance.
Half Marathon Pace Calculator
Find the per-mile pace needed to finish a half marathon (13.1 miles) in your target time.
5K Pace Calculator
Calculate the per-mile pace needed to finish a 5K (3.1 miles) in your target time.
10K Pace Calculator
Calculate the per-mile pace needed to finish a 10K (6.2 miles) in your target time.
Mile Pace Calculator
Calculate your mile pace and equivalent speeds from your mile time. Useful for track workouts and speed benchmarking.
Run/Walk Ratio Calculator
Calculate your effective pace and estimated finish time when using a run/walk strategy (Galloway method).
Cadence & Stride Length Calculator
Calculate your running stride length from your cadence and speed, or find the cadence needed for a target pace.
Running Calorie Burn Calculator
Estimate calories burned while running based on your weight, distance, and pace using metabolic equivalent (MET) values.
Cycling Speed Calculator
Calculate your average cycling speed from distance and time, with conversions between mph and km/h.
Cycling Power Calculator
Estimate cycling power output in watts based on speed, rider weight, and gradient using simplified aerodynamic and gravitational models.
Cycling Calorie Burn Calculator
Estimate calories burned while cycling based on weight, speed, and duration using MET values.
Bike Gear Ratio Calculator
Calculate your bike gear ratio and development (distance per pedal revolution) from chainring and cog tooth counts.
Cycling Cadence Calculator
Calculate your cycling cadence (RPM) from speed and gear ratio, or find the speed for a given cadence and gear.
Hill Climb Power Calculator
Estimate the power required to climb a hill on a bicycle given gradient, speed, and rider weight.
Time Trial Pace Calculator
Calculate your average speed and target split times for a cycling or running time trial of any distance.
Triathlon Time Calculator
Estimate your total triathlon finish time by entering swim, bike, and run paces along with transition times.
Interval Training Calculator
Plan interval workouts by calculating work and rest times, total session duration, and training load.
Fartlek Pace Calculator
Calculate the average pace and total time for a fartlek workout that alternates between fast and easy running segments.
One Rep Max (1RM) Calculator
Estimate your one-rep max for any lift using the Epley formula based on the weight and reps you can perform.
Training Volume Calculator
Calculate total training volume (sets x reps x weight) for a workout or weekly training block.
Progressive Overload Calculator
Plan your progressive overload by calculating target weights over several weeks based on a starting weight and weekly increase percentage.
Rest Period Calculator
Determine the optimal rest period between sets based on your training goal, exercise type, and intensity level.
Set & Rep Calculator
Find the optimal number of sets and reps for your training goal and calculate total volume at a given weight.
RPE to Weight Calculator
Convert Rate of Perceived Exertion (RPE) and target reps to a working weight based on your estimated 1RM.
Percentage of 1RM Calculator
Calculate working weights at various percentages of your one rep max for structured training programs.
Wilks Score Calculator
Calculate your Wilks score to compare powerlifting strength across different body weights using the Wilks coefficient.
DOTS Score Calculator
Calculate your DOTS score, a modern alternative to the Wilks score for comparing powerlifting strength across weight classes.
Bodyweight Strength Ratio Calculator
Calculate your strength-to-bodyweight ratio for any lift and see how it compares to common benchmarks.
Bench Press Estimate Calculator
Estimate your bench press one-rep max from a submaximal set and see training weight recommendations.
Squat Estimate Calculator
Estimate your squat one-rep max from a submaximal set and see training weight recommendations.
Deadlift Estimate Calculator
Estimate your deadlift one-rep max from a submaximal set and see training weight recommendations.
Total Lift Calculator
Calculate your powerlifting total (squat + bench + deadlift) and see strength level classifications.
Body Recomposition Calculator
Estimate calorie and protein targets for body recomposition (simultaneously losing fat and building muscle).
Lean Mass Gain Calculator
Calculate the calorie surplus and protein needed for lean muscle gain with minimal fat accumulation.
Bulk Calorie Calculator
Calculate your daily calorie and macronutrient targets for a muscle-building bulk phase.
Cut Calorie Calculator
Calculate your daily calorie and macronutrient targets for a fat-loss cutting phase while preserving muscle.
Macro Split Calculator
Calculate your daily protein, fat, and carbohydrate targets in grams based on your calorie goal and preferred macro ratio.
Workout Duration Calculator
Estimate total workout duration including warm-up, working sets, rest periods, and cool-down.
Batting Average Calculator
Calculate a baseball batting average from hits and at-bats.
On-Base Percentage Calculator
Calculate on-base percentage (OBP) including hits, walks, and hit-by-pitches.
Slugging Percentage Calculator
Calculate slugging percentage (SLG) from singles, doubles, triples, and home runs.
ERA Calculator
Calculate a pitcher earned run average (ERA) from earned runs and innings pitched.
WHIP Calculator
Calculate WHIP (Walks plus Hits per Inning Pitched) to measure how many baserunners a pitcher allows.
QB Passer Rating Calculator
Calculate NFL passer rating from completions, attempts, yards, touchdowns, and interceptions.
Rushing Yards Average Calculator
Calculate a running back yards per carry average and projected season stats from current performance.
Basketball Per-Game Stats Calculator
Calculate per-game averages for points, rebounds, assists, and other basketball statistics.
Basketball Efficiency Calculator
Calculate the simple basketball efficiency rating (EFF) that combines positive and negative contributions.
Soccer Goals per Game Calculator
Calculate goals per game, assists per game, and goal contribution rate for soccer players.
Hockey Save Percentage Calculator
Calculate a hockey goalie save percentage and goals against average from shots faced and goals allowed.
Tennis Serve Percentage Calculator
Calculate first serve percentage, second serve percentage, and ace rate for tennis players.
Volleyball Efficiency Calculator
Calculate volleyball hitting efficiency (kill percentage minus error percentage).
Fantasy Points Calculator
Calculate fantasy football points using standard scoring (passing yards, rushing yards, TDs, receptions).
Win Percentage Calculator
Calculate a team or player win percentage from wins, losses, and ties/draws.
Pythagorean Win Calculator
Estimate expected win percentage from points scored and points allowed using the Pythagorean expectation formula.
Point Differential Calculator
Calculate total and per-game point differential from total points scored and allowed.
Pace Factor Calculator
Calculate basketball pace factor (possessions per 48 minutes) to understand game tempo.
Usage Rate Calculator
Calculate basketball usage rate, the percentage of team possessions a player uses while on the court.
Player Efficiency Rating Calculator
Calculate a simplified Player Efficiency Rating (PER) for basketball using box score statistics.
Golf Handicap Calculator
Estimate your golf handicap index from your recent scores. Enter your scores, course rating, and slope rating to calculate your handicap.
Bowling Average Calculator
Calculate your bowling average from total pins and games played. Also shows pins needed to reach a target average.
Bowling Handicap Calculator
Calculate your bowling handicap based on your average, the basis score, and handicap percentage used by your league.
Archery Score Calculator
Calculate your archery round score and arrow average. Enter points scored and arrows shot to track accuracy and consistency.
Swimming Pace Calculator
Calculate your swimming pace per 100 meters or 100 yards from total distance and time. Useful for pool and open water training.
Swimming Split Calculator
Calculate target split times for swimming races or training sets. Enter your goal time and distance to get even-split targets per lap or per 100m.
Swimming Calorie Burn Calculator
Estimate calories burned while swimming based on body weight, stroke type, duration, and intensity.
Rowing Split Time Calculator
Calculate your rowing split time per 500 meters from total distance and time. The standard metric for rowing performance on an ergometer.
Rowing Power Calculator
Calculate rowing watts from your 500m split time, or find the split needed for a target wattage. Uses the Concept2 power formula.
Hiking Calorie Burn Calculator
Estimate calories burned while hiking based on body weight, duration, terrain, and pack weight.
Hiking Time Calculator
Estimate hiking time using Naismith's Rule. Enter distance, elevation gain, and fitness level for total time including rest stops.
Elevation Gain Rate Calculator
Calculate your vertical ascent rate (VAM) from elevation gain and climbing time. Used by hikers, cyclists, and mountaineers.
Ski Slope Grade Calculator
Calculate the grade (steepness) of a ski slope from vertical drop and run length. Shows percentage grade and degree angle.
Snowboard Speed Estimator
Estimate theoretical snowboard or ski speed based on slope angle and run length. Accounts for friction and air resistance.
Jump Height Calculator
Calculate vertical jump height from standing reach and jump reach, or from hang time. Used for basketball, volleyball, and athletic testing.
Reaction Time Estimator
Estimate reaction time from a ruler drop test. Enter the distance the ruler fell before you caught it to calculate your reaction time in milliseconds.
Agility Score Calculator
Calculate and rate your agility from common tests like the Illinois Agility Test, Pro Agility (5-10-5), or T-Test. Enter your time for a performance rating.
Flexibility Score Calculator
Score and rate your flexibility based on the sit-and-reach test. Enter your reach distance to see how you compare to fitness standards.
Sports Drink Calculator
Calculate how to mix a custom sports drink with the right electrolyte and carbohydrate concentration for your activity. Enter water volume and desired strength.
Hydration Rate Calculator
Calculate your sweat rate and hydration needs from pre- and post-exercise weight. Determines how much fluid to drink per hour during exercise.
Athlete Power Output Calculator
Calculate mechanical power output for cycling or rowing using force and velocity, or work and time.
Sprint Acceleration Calculator
Calculate average acceleration and top speed from sprint timing data using distance and split times.
Vertical Jump Power Calculator
Estimate peak and average lower-body power from vertical jump height and body mass using the Sayers equation.
Agility T-Test Score Calculator
Score your agility T-test performance and compare against normative data for your age and sex.
Beep Test VO2max Calculator
Estimate your VO2max from the multi-stage fitness test (beep test) level and shuttle count using the Ramsbottom equation.
Cooper Test Fitness Calculator
Estimate VO2max from the Cooper 12-minute run test distance using the standard Cooper equation.
Wingate Test Power Calculator
Analyze Wingate anaerobic test results including peak power, mean power, and fatigue index from a 30-second maximal cycling effort.
Lactate Threshold Pace Calculator
Estimate your lactate threshold pace from a recent race result, typically 85-90% of 5K race pace for trained runners.
Race Age Grading Calculator
Calculate your age-graded race performance percentage to compare results across ages using a simplified model.
Triathlon Transition Time Calculator
Calculate total triathlon time by summing swim, T1, bike, T2, and run segments to find overall finish time and transition impact.
Periodization Planner Calculator
Calculate training phase durations for a periodized plan leading up to a target competition date.
Progressive Overload Calculator
Calculate target weights for progressive overload in strength training based on current load and weekly increase rate.
Deload Week Calculator
Calculate deload training parameters by reducing volume and/or intensity from your current training loads.
Supercompensation Window Calculator
Estimate the optimal time window for your next training session based on workout intensity and recovery rate.
Tapering Calculator
Plan a pre-competition taper by calculating weekly training volume reductions using an exponential taper model.
Altitude Training Effect Calculator
Estimate the performance impact of altitude training based on elevation, duration, and the expected VO2max reduction at altitude.
Heat Acclimation Time Calculator
Estimate the number of heat exposure sessions needed for full acclimation and the expected physiological adaptations.
Hydration Loss Rate Calculator
Calculate fluid loss rate during exercise from pre and post-exercise body weight, fluid consumed, and exercise duration.
Glycogen Depletion Calculator
Estimate muscle glycogen depletion during exercise based on duration, intensity, and starting glycogen stores.
Muscle Recovery Time Calculator
Estimate muscle group recovery time based on training volume, intensity, and whether the movement was eccentric-heavy.
Baseball ERA Calculator
Calculate a pitcher's Earned Run Average from earned runs allowed and innings pitched.
Basketball PER Calculator
Calculate a simplified Player Efficiency Rating from key basketball statistics per game.
Football QB Rating Calculator
Calculate the NFL passer rating from completions, attempts, yards, touchdowns, and interceptions.
Soccer Expected Goals Calculator
Calculate a simplified expected goals (xG) total from shot data including location and type.
Hockey Corsi Calculator
Calculate Corsi (shot attempt differential) and Corsi percentage for evaluating possession-based performance in ice hockey.
Tennis Serve Percentage Calculator
Calculate first and second serve percentages, aces rate, and double fault rate from match serving data.
Golf Handicap Differential Calculator
Calculate a golf handicap differential from your adjusted gross score, course rating, and slope rating.
Cricket Batting Average Calculator
Calculate a cricket batsman's batting average from total runs scored and number of times dismissed.
Rugby Tackle Success Calculator
Calculate tackle success rate and missed tackle percentage from match defensive data.
Volleyball Efficiency Rate Calculator
Calculate a volleyball hitter's attack efficiency from kills, errors, and total attempts.