Sports & Fitness Calculators
60 free calculators for training, pro sports stats and fantasy — one-rep max and TDEE, passer rating, true shooting %, ERA, save %, win pace, trade value and more. Every formula runs locally in your browser.
Fitness Calculators
One Rep Max Calculator
Calculate your one-rep max (1RM) from any weight and rep set with Epley, Brzycki and Lombardi formulas, plus a full training percentage table.
Calculate →BENCHBench Press Max Calculator
Estimate your bench press max from any rep set. Epley, Brzycki and Lombardi formulas with a percentage training table for pressing days.
Calculate →SQUATSquat Max Calculator
Estimate your squat max from any rep set with three validated formulas plus a full percentage training table.
Calculate →DEADLIFTDeadlift Max Calculator
Estimate your deadlift max from any rep set. Three validated formulas plus a percentage table for pulling days.
Calculate →BMIBMI Calculator
Check your body mass index in imperial or metric units, with category and healthy-weight range.
Calculate →BODY FATBody Fat Calculator
Estimate body fat percentage with the U.S. Navy circumference method or the BMI-based Deurenberg formula.
Calculate →BMRBMR Calculator
Your basal metabolic rate with Mifflin-St Jeor and Harris-Benedict formulas — the calories you burn at complete rest.
Calculate →TDEETDEE Calculator
Total daily energy expenditure at every activity level, with cutting and bulking calorie targets.
Calculate →CALORIESCalories Burned Calculator
Calories burned for any activity and duration using MET values, from walking to sprinting.
Calculate →PACERunning Pace Calculator
Pace per mile or kilometre from any race or training time, with even splits and a Riegel marathon projection.
Calculate →HEART RATETarget Heart Rate Calculator
Training heart-rate zones from age, with the Tanaka and classic formulas and Karvonen resting-HR precision.
Calculate →VO2 MAXVO2 Max Calculator
Estimate VO2 max from a 12-minute Cooper run or a one-mile Rockport walk, with fitness categories.
Calculate →STEPSSteps to Miles Calculator
Convert step counts to miles and back using your stride length, with automatic stride from height.
Calculate →FFMIFFMI Calculator
Fat-Free Mass Index from weight, height and body fat — the muscle-mass scale that fixes BMI's athlete problem.
Calculate →NFL Calculators
NFL Passer Rating Calculator
The official NFL passer rating from attempts, completions, yards, touchdowns and interceptions.
Calculate →FANTASYFantasy Football Points Calculator
Fantasy points for any stat line in full PPR, half PPR and standard scoring.
Calculate →RUSHINGYards Per Carry Calculator
Rushing efficiency: yards per carry with yards-after-contact share for context.
Calculate →RECEIVINGCatch Rate Calculator
Catch rate from receptions and targets, with drop context.
Calculate →SEASONNFL Win Pace Calculator
Project final wins from your team's record and the games remaining in the 17-game season.
Calculate →SEASONPythagorean Wins NFL Calculator
Expected NFL wins from points scored and allowed using the 2.37 Pythagorean exponent — and the luck gap.
Calculate →SEASONNFL Magic Number Calculator
The combination of leader wins and chaser losses that clinches an NFL division.
Calculate →SEASONNFL Playoff Probability Calculator
Estimate the chance your team reaches a target win total, using a normal approximation over remaining games.
Calculate →NBA Calculators
True Shooting Percentage Calculator
TS% from points, field goal attempts and free throws — the efficiency stat the modern NBA is built on.
Calculate →PERPER Calculator
Approximate Player Efficiency Rating (uPER) from a standard box score, on the 15-is-average scale.
Calculate →eFG%eFG% Calculator
Effective field goal percentage — field goal accuracy with threes correctly worth 1.5 shots.
Calculate →+/−NBA Plus Minus Calculator
Plus-minus per 36 minutes from a player's season or game plus/minus and playing time.
Calculate →USG%Usage Rate Calculator
Usage rate from a player's field goal, free throw and turnover load versus team totals.
Calculate →FANTASYNBA Fantasy Points Calculator
DraftKings and FanDuel fantasy points from any stat line, including double-double bonuses.
Calculate →SEASONNBA Win Pace Calculator
Projected final wins from an NBA team's record with the 82-game season and a 43-win playoff line.
Calculate →SEASONPythagorean Wins NBA Calculator
Expected NBA wins from points scored and allowed using Basketball-Reference's exponent of 14.
Calculate →SEASONNBA Playoff Clinch Calculator
The magic number that clinches an NBA playoff berth: (82 + 1) − leader wins − chaser losses.
Calculate →SCORINGPoints Per Game Calculator
PPG from season totals, with context on what the number means historically.
Calculate →MLB Calculators
ERA Calculator
Earned run average from earned runs and innings pitched, with baseball's 6.1 = 6⅓ notation handled automatically.
Calculate →MLBWHIP Calculator
Walks plus hits per inning pitched — the baserunner pressure stat.
Calculate →MLBStrikeout Rate Calculator
K/9 and K% from strikeouts, innings and batters faced — the modern measure of swing-and-miss.
Calculate →MLBBABIP Calculator
Batting average on balls in play — the regression signal for both pitchers and hitters.
Calculate →MLBBatting Average Calculator
Batting average from hits and at-bats, displayed in baseball's three-digit notation.
Calculate →MLBSLG Calculator
Slugging percentage from total bases, with isolated power (ISO) as a bonus.
Calculate →MLBOBP Calculator
On-base percentage from hits, walks, hit-by-pitch and sacrifice flies — getting on base is the game.
Calculate →MLBOPS Calculator
On-base plus slugging from a full slash-line input, the one-number summary of offensive production.
Calculate →MLBWAR Calculator (Baseball)
An offensive WAR estimate from plate appearances and wRC+ with positional adjustment — clearly labelled as an estimate.
Calculate →FANTASYMLB Fantasy Points Calculator
Roto-style fantasy points from a hitter's counting line: runs, hits, RBI, walks, homers and steals.
Calculate →SEASONMLB Win Pace Calculator
Projected final wins across the 162-game season from any team's current record.
Calculate →SEASONPythagorean Wins MLB Calculator
Expected MLB wins from runs scored and allowed with Bill James's 1.83 exponent.
Calculate →SEASONMLB Magic Number Calculator
The classic clinch formula: 163 − leader wins − chaser losses, with plain-language output.
Calculate →NHL Calculators
Save Percentage Calculator
Save percentage (SV%) from saves and shots faced, with Vezina-tier context.
Calculate →NHLGAA Calculator
Goals against average from goals allowed and minutes played — the classic 60-minute normalization.
Calculate →NHLHockey Points Per Game Calculator
Points per game from goals and assists, with an 82-game pace projection.
Calculate →NHLNHL Plus Minus Calculator
Plus/minus per game and per 82 from a season total — the classic (flawed) two-way stat.
Calculate →SEASONNHL Win Pace Calculator
Projected standings points from wins, games played and OTLs across the 82-game season.
Calculate →SEASONPythagorean Wins NHL Calculator
Expected NHL wins from goals scored and allowed using the squared (exponent 2) formula.
Calculate →FANTASYNHL Fantasy Points Calculator
ESPN-standard fantasy hockey points from goals, assists, shots, hits and blocks.
Calculate →Fantasy Sports Calculators
Fantasy Trade Value Calculator
Compare trade packages on one scale and get an honest verdict on who wins.
Calculate →DYNASTYDynasty Trade Calculator
Age-adjusted dynasty trade evaluation — peak-age players hold value, Father Time taxes the rest.
Calculate →FAABFAAB Bid Calculator
Recommended free-agent auction bids by priority, roster need and remaining budget.
Calculate →DFSDFS Value Calculator
Projected points per $1,000 of salary — the number every daily fantasy lineup is built on.
Calculate →FANTASYFantasy Points Per Game Calculator
Season-long fantasy scoring rate from total points and games, with start/sit context.
Calculate →FANTASYFantasy Playoff Clinch Calculator
The magic number that locks a fantasy playoff berth in head-to-head leagues.
Calculate →STANDINGSFantasy Standings Calculator
Sort a whole fantasy league by win percentage with games back — paste your league in.
Calculate →DRAFTFantasy Draft Value Calculator
Trade draft picks fairly using the classic Jimmy Johnson pick-value chart, scaled to any league size.
Calculate →