Sports Odds, Running, Cycling & Strength Calculators
Convert American/Decimal odds, calculate parlay payouts, Kelly criterion stakes, marathon splits, cycling FTP Watts/kg, and powerlifting DOTS.
Sports Betting Odds Converter (American, Decimal & Implied Probability)
Convert American moneyline odds (-110, +150) and Decimal odds into exact net profit payout, total return, and implied win %.
No-Vig Fair Odds & Sportsbook Juice / Hold Percentage Calculator
Calculate bookmaker overround (vig/juice %) and strip the vig to reveal true fair win probabilities for both sides.
Parlay / Accumulator Payout & Multi-Leg Odds Calculator
Calculate combined parlay multiplier, total payout, and true parlay hit probability for 2-leg to 10-leg parlays.
Kelly Criterion Optimal Bet Sizing & +EV Edge Calculator
Calculate your Expected Value (+EV %) and optimal Full, Half, and Quarter Kelly bankroll stake size.
Sports Betting Arbitrage (Surebet) & Hedge Profit Calculator
Calculate exact stake splits across two sportsbooks to lock in a guaranteed risk-free arbitrage or live hedge profit.
VO2 Max Calculator (12-Minute Cooper Run & Race Predictor)
Estimate your aerobic VO2 Max (mL/kg/min) from your 12-minute Cooper run distance or resting heart rate.
Cycling FTP (Functional Threshold Power) & Watts/kg Calculator
Calculate your Functional Threshold Power (FTP = 95% of 20-min power), power-to-weight ratio (W/kg), and Coggan zones.
Zone 2 Heart Rate & Karvonen Aerobic Training Zones Calculator
Calculate your exact Zone 2 fat-burning aerobic heart rate and Max HR using the Karvonen Heart Rate Reserve (HRR) formula.
Powerlifting DOTS & Total Relative Strength Score Calculator
Calculate your combined Squat + Bench + Deadlift powerlifting total, pound-for-pound ratio, and DOTS strength score.
Barbell Plate Calculator (45-lb Olympic Bar Weight Per Side)
Instantly see which 45, 35, 25, 10, 5, and 2.5 lb plates to load on each side of a standard 45-lb Olympic barbell.
Pickleball DUPR & Tennis Skill Rating Win-Loss Calculator
Calculate expected point margin and DUPR skill rating movement based on your rating vs opponent team average rating.
Golf Handicap Score Differential & Net Course Strokes Calculator
Calculate your World Handicap System (WHS) 18-hole Score Differential and Course Handicap from Slope and Course Rating.
Basketball True Shooting % (TS%) & Effective FG% (eFG%) Calculator
Calculate advanced NBA basketball shooting efficiency: True Shooting Percentage (TS%) and Effective Field Goal % (eFG%).
Baseball Pitcher ERA, WHIP & Innings Pitched Stat Calculator
Calculate Earned Run Average (ERA), Walks + Hits per Inning Pitched (WHIP), and K/9 strikeout rate for baseball/softball.
Soccer / Football Season Points Pace & Goal Difference Projector
Project a football club's final 38-match league table points, Points Per Game (PPG), and title/relegation pace.
Swimming Pace per 100m & Triathlon Open-Water Finish Calculator
Calculate your swimming CSS pace per 100m and projected finish times for Sprint (750m), Olympic (1500m), and Ironman (3.8km).
Concept2 Indoor Rowing 500m Split to Watts & 2K Erg Calculator
Convert your Concept2 rowing machine 500m split time into exact mechanical Watts and projected 2,000m (2K) erg race time.
Vertical Jump Peak Power (Watts) & Dunk Reach Calculator
Calculate your explosive lower-body Sayers Peak Power (Watts) and how many inches you need to dunk a basketball on a 10-foot rim.
Athlete Daily Protein Intake Calculator for Muscle Gain & Fat Loss
Calculate optimal daily protein intake (1.6g to 2.2g per kg) and per-meal leucine synthesis targets for strength athletes.
Creatine Monohydrate Loading & Daily Maintenance Dosage Calculator
Calculate weight-adjusted creatine monohydrate saturation loading dose (0.3g/kg) and daily maintenance dose (0.03g/kg).