Health & fitness
374 health and fitness calculators: body mass index, calories, ideal weight, heart rate zones, pregnancy dates, hydration and training loads. Clear results with the formula behind them, free in your browser. They inform, they do not diagnose.
Pool table room size calculator
An 8-foot home table with 58-inch cues needs a room of at least 204 by 160 inches: the playing surface plus two cue lengths on each axis, so a ball frozen on…
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Race predictor
A 10 km run in 40 minutes points to about 1:28:15 for a half marathon: this predictor turns one real result into a finish estimate at another distance with…
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Save percentage calculator
32 saves on 35 shots is a save percentage of about 91.4: enter the two numbers from the scoresheet and get the share of charged shots the goalie stopped, plus…
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Slugging percentage calculator
Two singles, a double and a home run in 10 at-bats make 8 total bases and a slugging percentage of .800: enter the five counts from the scorebook and get the…
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Snow shoveling calories burned
Thirty minutes of shoveling moderate snow at 70 kg burns about 220.5 kcal: pick the snow weight, enter your body weight and working minutes, and get an estimate…
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Steps to calories calculator
10,000 steps at 70 kg with a 0.76 m stride come to about 382.375 kcal over 7.6 km: the calculator turns your step total into distance, walking time and energy.
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Steps to km calculator
10,000 steps are about 8 km at the average adult stride of 0.8 m: enter your step total, add your own stride if you measured it, and get the distance in…
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Swimming time calculator
1500 m at 1:30 per 100 m takes 22:30: enter the distance and the pace you can hold, and the calculator multiplies the hundreds by that pace to give your finish…
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Training pace calculator
10 km in 50 minutes is a pace of 5:00 per km: enter how far you went and how long the clock ran, and get one minutes-per-kilometre figure to compare sessions.
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Triathlon time calculator
Splits of 1500, 120, 4200, 90 and 2700 seconds add up to a 2:23:30 triathlon: the calculator sums all five segments in race order, transitions included, and…
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True shooting % calculator
25 points on 18 field-goal attempts and 8 foul-shot attempts is a true shooting percentage of 58.0855: one efficiency rate that counts twos, threes and foul…
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VO2 max calculator for runners
A 5 km finished in 25:00 means 200 metres per minute, and Jack Daniels' formula turns that speed and the race length into a VO2 max estimate in millilitres per…
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Weight loss calculator
Losing 5 kg in 10 weeks takes a deficit of about 550 kcal a day, or 3850 a week: enter the target and the week count to plan a cut for a camp or a weigh-in.
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Windsurfing sail size calculator
A 75 kg intermediate rider in 15 knots with skill factor 1.3 gets a 6.5 m² sail: enter weight, wind and skill, and the weight-over-wind rule gives an area you…
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