Sports and Fitness

  • Japan Series (NPB Best-of-Series) Win Probability Calculator
    Estimate NPB postseason odds: enter a single-game win probability and a predicted series score to get the exact-result and overall series win probabilities.
  • Archery Draw Length Calculator
    Find your archery draw length from your arm span using the wingspan ÷ 2.5 method. Enter your wingspan in inches for an instant draw length estimate.
  • Earned Run Average (ERA) Calculator
    Calculate a pitcher's Earned Run Average (ERA) from earned runs and innings pitched. Free baseball ERA calculator with worked example.
  • Golf Handicap Calculator
    Calculate your golf handicap differential and estimated handicap index from your score, course rating and slope rating using the standard formula.
  • Net Run Rate Calculator
    Enter runs scored and overs faced, plus runs conceded and overs bowled, to calculate your cricket team's net run rate (NRR) instantly.
  • Stride Length Calculator
    Compute your average stride length using height, steps taken, and distance covered. Get a quick meters per step estimate for walking or running.
  • Ape Index Calculator
    Enter your height and arm span in centimeters to compute your ape index and see if your arm span is longer than your height. Instant result.
  • Running Pace Calculator
    Enter distance and finish time to calculate running pace per kilometer and per mile, plus speed in km/h and mph—plan training and race goals.
  • ACFT Score Calculator
    Enter deadlift (lbs), standing power throw (m), hand‑release push-ups, sprint-drag-carry, plank, and 2‑mile run to get your total ACFT score.
  • Bike Gear Ratio Calculator
    Calculate bike gear ratio and gear inches from chainring teeth, cog teeth, and wheel diameter to compare setups and fine-tune your gearing for any bike.
  • Decathlon Score Calculator
    Calculate your decathlon score with our easy-to-use Decathlon Score Calculator. Input performances for all 10 events and get instant results based on official IAAF scoring tables. Perfect for athletes, coaches, and track and field enthusiasts.
  • IAAF Score Calculator
    Select 100m, long jump, or shot put, choose male or female, enter your performance, and get IAAF points based on official scoring tables.
  • Macro Calculator
    Macro Calculator - Calculate your daily macronutrient needs. Enter your age, gender, weight, height, activity level, and goals to get personalized recommendations for calories, protein, carbs, and fats.
  • Slugging Percentage Calculator
    Enter at-bats, singles, doubles, triples, and home runs to get a player's slugging percentage (total bases per at-bat) instantly.
  • Strikeout Rate Calculator
    Calculate strikeout rate accurately with this Strikeout Rate Calculator. Input strikeouts, innings pitched, batters hit, and walks to determine a pitcher's effectiveness. Improve your baseball analytics today!

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