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
14 tools- BABIP Calculator
- Baseball Spin Rate Calculator
- ERA Calculator (Earned Run Average)
- ERA+ Calculator
- FIP Calculator (Fielding Independent Pitching)
- 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
9 toolsBowling & Other Sports Calculators
11 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
- Snooker Break Calculator
Calories Burned (Various) Calculators
12 tools- BJJ/Grappling Calories Calculator
- Boxing Calories Burned Calculator
- Calories Burned Calculator (General)
- Dance Calories Burned Calculator
- Elliptical to Running Converter
- Hiking Calculator (Calories)
- Jump Rope Calorie Calculator
- Kayaking Calories Burned Calculator
- Rock Climbing Calories Calculator
- Skiing Calories Burned Calculator
- Snow Shoveling Calories Burned Calculator
- Stairs Calorie Calculator
Combat & Martial Arts Calculators
5 toolsCricket Calculators
10 toolsFootball (American) Calculators
8 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
8 toolsHiking & Outdoor Calculators
6 toolsHockey Calculators
8 toolsRacket Sports Calculators
5 toolsRunning Calculators
15 tools- Couch to 5K Progress Calculator
- Elevation Adjusted Pace Calculator
- Negative Split Calculator
- Race Bib Pace Calculator
- Race Predictor (Running Time Calculator)
- Run/Walk Interval Calculator
- Running Economy Calculator
- Running Pace Planner
- Running Speed Calculator
- Running Speed Converter
- Steps to km Calculator
- Treadmill Incline Calculator
- Treadmill Pace Converter
- Ultra Marathon Pace Calculator
- Walking Calorie Calculator
Soccer/Football Calculators
8 toolsSports Betting & Fantasy Calculators
7 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
10 toolsTrack & 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
9 toolsWatersports Calculators
7 toolsWeightlifting & Strength Calculators
12 tools- Bench Press Calculator (1RM)
- DOTS Calculator
- IPF GL Points Calculator
- Olympic Lift Max Calculator
- One-Rep Max Calculator
- Overhead Press Max Calculator
- Plate Loading Calculator
- Progressive Overload Calculator
- Relative Strength Calculator
- Smolov Squat Calculator
- Strength Standard Calculator
- nSuns Calculator