Sports & Recreation
Performance tracking, game statistics, and recreational planning.
Running Pace Calculator
Calculate your running pace per mile and per kilometer. Get predicted race times for 5K, 10K, half marathon, and marathon distances.
Cycling Speed Calculator
Calculate cycling speed, distance, or time. Includes pace, calorie burn estimates, and metric conversions.
Cycling Power Calculator
Calculate cycling power output based on speed, weight, grade, and conditions. Estimate watts and power-to-weight ratio.
Hiking Calorie Calculator
Estimate calories burned hiking based on distance, elevation gain, terrain, pack weight, and body weight. Includes water intake recommendations.
Hiking Time Calculator
Estimate hiking time based on distance and elevation gain using Naismith's Rule. Plan your hiking trips accurately.
Bowling Handicap Calculator
Calculate your bowling handicap from your last 3 game scores. Uses the standard basis score and percentage method.
Swimming Pace Calculator
Calculate swimming pace per 100m, SWOLF score, lap times, and predict race times for different distances.
Golf Handicap Calculator
Calculate your golf handicap index and course handicap from recent round scores.
Betting Odds Converter
Convert between American, decimal, and fractional odds. Calculate implied probability, potential payout, and profit from your stake.
Running Splits Calculator
Calculate running pace, splits, and average speed. Track your performance for any distance.
Pace Converter
Convert running pace between kilometers and miles. Convert pace to speed and vice versa.
Running & Cycling Calculator
All-in-one pace, heart rate zones, calories, VO2 max, race predictions, and splits for runners and cyclists.