Free Online Sports Calculators
Whether you're chasing a marathon PB, dialling in your cycling FTP, or just trying to figure out if your golf handicap is actually improving — sport runs on numbers, and we've built the tools to crunch them. Our sports calculators cover everything from running pace and swim splits to vertical jump, batting average, fantasy football projections, and beyond. Training for a race? Calculate your target pace per kilometre, estimate your finish time, or find the right heart rate zones for each session. Into team sports? We've got tools for basketball efficiency ratings, baseball ERA and slugging percentage, and football passer ratings. Cycling, rowing, tennis, golf, martial arts — if it's a sport, there's a calculator for it here. Whether you're a weekend warrior tracking your 5K progress or a coach pulling apart performance data, every tool gives you accurate results with no fluff. Just pick your sport, plug in your numbers, and see where you stand.
Baseball Calculators
16 tools- BABIP Calculator
- Baseball Spin Rate Calculator
- Batting Average Calculator
- ERA Calculator (Earned Run Average)
- ERA+ Calculator
- FIP Calculator (Fielding Independent Pitching)
- Fielding Percentage Calculator
- Magic Number Calculator (Standings)
- OPS Calculator (On-Base Plus Slugging)
- On Base Percentage Calculator (OBP)
- Pitch Speed Distance Calculator
- Slugging Percentage Calculator (SLG)
- WAR Calculator (Wins Above Replacement)
- WHIP Calculator
- wOBA Calculator (Weighted On-Base Average)
- wRC+ Calculator
Basketball Calculators
11 tools- Assist-to-Turnover Ratio Calculator
- Dunk Calculator
- Fantasy Basketball Points Calculator
- Free Throw Percentage Calculator
- Game Score Calculator (Basketball)
- PER Calculator (Player Efficiency Rating)
- Plus/Minus Calculator
- True Shooting Percentage Calculator (TS%)
- Usage Rate Calculator
- Win Shares Calculator
- eFG Calculator (Effective Field Goal %)
Bowling & Other Sports Calculators
12 tools- Archery Sight Mark Calculator
- Arrow FOC Calculator (Archery)
- Bowling Handicap Calculator
- Bowling Score Calculator
- Darts Average Calculator
- Darts Checkout Calculator
- Disc Golf Disc Speed Calculator
- Duckpin Bowling Score Calculator
- Elo Rating Calculator (General)
- Paintball Air Tank Calculator
- Pool Table Room Size Calculator
- Snooker Break Calculator
Calories Burned (Various) Calculators
23 tools- BJJ/Grappling Calories Calculator
- Boxing Calories Burned Calculator
- Burpee Calorie Calculator
- Calories Burned Calculator (General)
- Calories Burned Standing Calculator
- Calories Burned by Heart Rate Calculator
- Dance Calories Burned Calculator
- Elliptical Calorie Calculator
- Elliptical to Running Converter
- Fat Burning Zone Calculator
- Hiking Calculator (Calories)
- Jump Rope Calorie Calculator
- Kayaking Calories Burned Calculator
- MET Value Lookup Calculator
- Pilates Calories Burned Calculator
- Rock Climbing Calories Calculator
- Rowing Calories Burned Calculator
- Sauna Calories Burned Calculator
- Skiing Calories Burned Calculator
- Snow Shoveling Calories Burned Calculator
- Stairs Calorie Calculator
- Weight Loss Calculator
- Yoga Calories Burned Calculator
Combat & Martial Arts Calculators
7 toolsCricket Calculators
10 toolsFootball (American) Calculators
9 toolsGolf Calculators
10 tools- Golf Ball Spin Rate Calculator
- Golf Club Distance Calculator
- Golf Course Handicap Calculator
- Golf Green Speed Calculator (Stimpmeter)
- Golf Handicap Calculator
- Golf Score Differential Calculator
- Golf Strokes Gained Calculator
- Golf Swing Speed Calculator
- Golf Wind Adjustment Calculator
- Stableford Points Calculator
Heart Rate & Performance Calculators
18 tools- Age Grade Calculator
- Anaerobic Threshold Calculator
- Beep Test (Yo-Yo) Calculator
- Bruce Protocol METs Calculator
- Cooper Test Calculator
- ERG Calculator (Rowing)
- Heart Rate Calculator
- Heart Rate Recovery Calculator
- Heart Rate Zone Calculator
- Karvonen Formula Calculator
- Lactate Threshold Calculator
- MET Minutes Calculator
- Max Heart Rate Calculator
- Power-to-Weight Ratio Calculator
- Resting Heart Rate Fitness Level
- Target Heart Rate Calculator
- Training Load Calculator (TRIMP)
- VO2 Max Calculator (General)
Hiking & Outdoor Calculators
8 toolsHockey Calculators
8 toolsRacket Sports Calculators
6 toolsRunning Calculators
30 tools- 10K Pace Calculator
- 5K Pace Calculator
- Couch to 5K Progress Calculator
- Elevation Adjusted Pace Calculator
- Half Marathon Pace Calculator
- Magic Mile Calculator
- Marathon Pace Calculator
- Negative Split Calculator
- Pace Calculator
- Race Bib Pace Calculator
- Race Predictor (Running Time Calculator)
- Race Time Improvement Calculator
- Run/Walk Interval Calculator
- Running Calorie Calculator
- Running Economy Calculator
- Running Pace Calculator
- Running Pace Planner
- Running Speed Calculator
- Running Speed Converter
- Running Split Calculator
- Steps to Calories Calculator
- Steps to Miles Calculator
- Steps to km Calculator
- Stride Length Calculator
- Training Pace Calculator
- Treadmill Incline Calculator
- Treadmill Pace Converter
- Ultra Marathon Pace Calculator
- VO2 Max Runners Calculator
- Walking Calorie Calculator
Soccer/Football Calculators
9 toolsSports Betting & Fantasy Calculators
10 toolsSports Equipment & Gear Calculators
10 tools- Baseball Bat Size Calculator
- Basketball Size Calculator
- Bike Size Calculator (Detailed)
- Climbing Rope Length Calculator
- Football Helmet Size Calculator
- Running Shoe Rotation Calculator
- Ski Size Calculator (Detailed)
- Sports Bra Size Calculator
- Tennis Racquet Size Calculator
- Wetsuit Thickness Calculator
Team Management & Stats Calculators
12 tools- Draft Order Calculator
- League Standings Calculator
- Playoff Bracket Generator
- Point Differential Calculator
- Roster Size Calculator
- Round Robin Tournament Calculator
- Season Record Calculator
- Single Elimination Bracket Calculator
- Strength of Schedule Calculator
- Swiss Tournament Calculator
- Team Rating Calculator (Power Ranking)
- Winning Percentage Calculator
Track & Field Calculators
10 tools- Decathlon Calculator
- Heptathlon Calculator
- High Jump Approach Calculator
- Javelin Throw Calculator
- Long Jump Takeoff Calculator
- Pole Vault Pole Selection Calculator
- Relay Split Calculator (4×100, 4×400)
- Shot Put Distance Calculator
- Sprint Split Calculator (100m/200m)
- Wind-Adjusted Sprint Time Calculator
Triathlon & Multisport Calculators
12 tools- Aquathlon Calculator
- Average Triathlon Finishing Time Calculator
- Brick Workout Calculator
- DIY Sports Drink Calculator
- Duathlon Calculator
- Ironman Pacing Calculator
- Triathlon Calculator
- Triathlon Heart Rate Training Zones Calculator
- Triathlon Nutrition Calculator
- Triathlon Split Time Estimator
- Triathlon Training Calculator
- Triathlon Transition Time Calculator
Watersports Calculators
12 tools- Dive Decompression Calculator
- Fishing Line Strength Calculator
- Fishing Reel Line Capacity Calculator
- Hull Speed Calculator
- Kayak Paddle Size Calculator
- Kiteboarding Calculator
- Rowing Pace Calculator
- SUP Board Size Calculator
- Sailing Speed Calculator (VMG)
- Scuba Weight Calculator
- Surfboard Volume Calculator
- Windsurfing Calculator
Weightlifting & Strength Calculators
20 tools- 5/3/1 Calculator (Wendler)
- Bench Press Calculator (1RM)
- Bench Press Pyramid Calculator
- Calories Burned Weight Lifting Calculator
- DOTS Calculator
- Deadlift Max Calculator
- IPF GL Points Calculator
- Olympic Lift Max Calculator
- One-Rep Max Calculator
- Overhead Press Max Calculator
- Plate Loading Calculator
- Progressive Overload Calculator
- RPE Calculator (Rate of Perceived Exertion)
- Relative Strength Calculator
- Smolov Squat Calculator
- Squat Max Calculator
- Strength Standard Calculator
- Volume Load Calculator
- Wilks Calculator
- nSuns Calculator