Sports & Recreation
82 free sports & recreation tools in the Calculators & Converters collection — every one runs in your browser with no signup and no uploads.
Ballistic Zero Range Calculator
Find the optimal zero and maximum point-blank range for your rifle.
Baseball ERA Calculator
Calculate a pitcher's Earned Run Average from raw stats.
Baseball WHIP Calculator
Calculate a pitcher's WHIP and compare to MLB benchmarks.
Basketball Player Efficiency Rating (PER) Calculator
Calculate a basketball player's PER from box score stats.
Basketball Net Rating Calculator
Calculate a team or lineup's net rating from points data.
Basketball Shot Clock Situation Guide
Get the correct shot clock reset value for any game situation.
Basketball True Shooting % Calculator
Calculate a player's True Shooting percentage from raw stats.
Bowling Handicap Series Calculator
Calculate your handicap-adjusted series from raw game scores
Boxing Punch Output Calculator
Estimate total punches thrown, landed, and accuracy per round.
Bullet Drop Ballistics Calculator
Calculate bullet drop and wind drift for any rifle cartridge to 1000 yards.
Climbing Hangboard Training Load Calculator
Calculate your finger-strength training load for hangboard sessions.
Cricket Bowling Economy Rate Calculator
Calculate a bowler's economy rate, strike rate, and average.
Cricket Fantasy Points Calculator
Calculate fantasy cricket points from a player's scorecard
Cricket Partnership Run Rate Calculator
Calculate partnership statistics from a batting scorecard
Cricket Powerplay Run Rate Calculator
Analyse powerplay performance against T20 and ODI par rates
Cycling FTP Calculator
Estimate your Functional Threshold Power from a test effort.
Cycling Nutrition & Carb Calculator
Calculate carbohydrate and fluid needs for a long cycling effort.
Cycling Power Zones Calculator
Convert your FTP into all 7 cycling training power zones.
Cycling Race Category Checker
Find your correct race category from age, FTP, or points.
Cycling Watts Per Kilogram Calculator
Calculate your W/kg and see where you rank as a cyclist.
Darts Checkout Calculator
Find the optimal checkout route for any darts score.
Darts Cricket Game Score Calculator
Score a game of Cricket darts with marks and points
Darts Leg Score Tracker
Track a darts leg from 501 down with running total
Fishing Bag Limit Tracker
Log your catch by species and size and track it against local bag limits.
Fishing Casting Distance Estimator
Estimate casting distance from rod length, lure weight, and line
Fishing Knot Strength Calculator
Estimate knot breaking strength as a percent of your line's test
Fly Line Trolling Depth Calculator
Find the depth of a sinking fly line at any sink time and speed
Fly Tying Hook Size & Hatch Match Reference
Match hook size to natural insect size for tying flies
Fantasy Football Points Calculator
Calculate fantasy football points for any scoring system.
NFL 4th Down Go-for-It Calculator
Decide whether to go, punt, or kick on 4th down using EPA
NFL Passer Rating Calculator
Calculate an NFL quarterback's passer rating from game stats.
NFL QBR (Total QBR) Estimator
Estimate Total QBR from passing, rushing, and sack stats
Golf Course Handicap Calculator
Convert your WHS Handicap Index to a Course Handicap
Golf Club Distance & Loft Reference
Match your swing speed and carry distance to the right club.
Golf Score Differential Calculator
Calculate the score differential for a round under WHS.
Golf Stableford Points Calculator
Calculate Stableford points from hole-by-hole gross scores
Golf Wind Adjustment Calculator
Adjust your golf club selection for headwind, tailwind, or crosswind.
Hunting BDC Reticle Holdover Calculator
Calculate which BDC reticle subtension to use at any hunting distance
MMA Fighter Statistical Comparison
Compare two MMA fighters across UFC-style performance stats.
MMA Judges Scorecard Simulator
Simulate MMA judges' scores for a 3 or 5-round fight.
MOA / MIL Scope Adjustment Calculator
Convert bullet impact error to scope clicks in MOA or MRAD.
Padel Match Score Calculator
Track a padel match with golden point and correct tiebreak rules.
Powerlifting Attempt Selector
Choose your opening, second, and third attempts from your max
Powerlifting Competition Total Predictor
Predict your competition-day total from gym maxes.
IPF GL Points Calculator
Calculate IPF GL points for any powerlifting total.
RC Aircraft Wing Loading Calculator
Calculate wing loading and a stall-speed estimate for RC planes
Rowing 2K Time Predictor
Predict your 2K erg time from a longer rowing piece
Rowing Split-to-Watts Calculator
Convert any rowing split time to watts instantly.
Shotgun Shot String & Pattern Calculator
Evaluate shotgun pattern density and pellet count at range
Soccer Expected Points from xG Calculator
Convert a match's xG totals to expected points for both teams
Soccer League Table Simulator
Simulate a league table from match results.
Soccer Offside Line Visual Aid
Understand offside decisions with a visual line tool
Soccer League Points Projection
Project a team's final points tally from their current form.
Soccer Possession Impact Calculator
Estimate the points impact of possession over a season
Soccer Expected Goals (xG) Calculator
Estimate the xG value of a shot based on position and type.
Sport Altitude Performance Calculator
Estimate performance decline at altitude for endurance sport.
Competition Warm-Up Time Calculator
Plan your competition warm-up backward from your first attempt
Creatine Loading & Maintenance Calculator
Calculate your creatine loading and maintenance doses by bodyweight
Athlete Deload Week Planner
Calculate reduced training load for a structured deload week.
Fluid Loss at Altitude Calculator
Estimate the extra fluid you lose exercising at altitude
Game Day Nutrition Planner
Time your pre-game, half-time, and post-game fuelling
Sport Heat Index Performance Estimator
Estimate endurance performance impact in hot conditions.
HRV Readiness Score Interpreter
Interpret your morning HRV against your 7-day rolling baseline
Sport Injury Return-to-Play Timeline
Estimate return-to-play time for common sport injuries
Sport Periodisation Block Planner
Plan your macrocycle blocks backward from a target competition date
Relative Strength Index Calculator
Compare your strength to bodyweight across the main barbell lifts
Wind Effect on Sprint Performance
Estimate wind assistance or resistance on 100m and 200m sprint times
Swimming Dryland Training Load
Plan dryland strength sessions using your swim training volume.
Swimming SWOLF & Efficiency Score
Calculate your SWOLF score to measure swimming efficiency
Tennis UTR & NTRP Level Guide
Estimate your UTR and NTRP rating from your game description.
Tennis Tiebreak Score Tracker
Track a tennis tiebreak with correct serving rotation
Triathlon Bike Split Calculator
Calculate target bike split power for your triathlon goal time.
Triathlon Multi-Sport Training Zones
Get swim, bike, and run zones from one set of threshold tests
Trolling Depth Calculator
Estimate lure depth for lead core or braided trolling line
Wind Drift Calculator for Rifle Shooting
Calculate wind deflection for any bullet at distance
Darts Checkout Calculator
Find a 1–3 dart finish for any score from 2 to 170.
Cycling Power Estimator
Estimate the watts needed to ride at a given speed.
Darts Checkout Calculator
Find every valid finish for any score from 2 to 170.
Golf Handicap Calculator
Score differentials and Handicap Index using the World Handicap System (WHS).
Race Time Predictor
Predict finish times across every distance from one known race result.
Run/Walk Interval Calculator
Plan your run-walk intervals, find your effective pace and finish time.
Watts per kg Calculator
Find your cycling W/kg and Coggan category in seconds.