Fitness calculator for Mac, Windows and Linux
Written on by Ratio.
Training sums come with units: kilos and pounds, kilometres and miles, minutes and calories. Ratio keeps the units, so the answer says what it is.
Body
| bmi(80 kg, 180 cm) | 24.7 |
| bmr 80 kg 180 cm 30 years male | 1,780 kcal |
| tdee 80 kg 180 cm 30 years male moderate | 2,759 kcal |
| prev - 500 kcal | 2,259 kcal |
BMR uses the Mifflin–St Jeor formula; activity is sedentary, light, moderate, active or very active.
Heart rate
| hr zones age 30 | Z1 95–114 · Z2 114–133 · Z3 133–152 · Z4 152–171 · Z5 171–190 |
| hr zones max 185 | Z1 93–111 · Z2 111–130 · Z3 130–148 · Z4 148–167 · Z5 167–185 |
Running
| pace 5 km in 27 min | 5:24 /km · 8:41 /mi |
| 10 km at 5:30/km | 55:00 |
| race 10 km in 50 min to marathon | 3:50:01 |
| 5 km / 27 min in km/h | 11.11 km/h |
| 42.195 km in mi | 26.22 mi |
Race times use Riegel's formula, the usual estimate for a well-trained runner.
Lifting
| 3 sets * 8 reps * 60 kg | 1,440 kg |
| 165 lb in kg | 74.84 kg |
| 10% of 80 kg | 8 kg |
Percentages work like in the percentage calculator.
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Questions
How do I calculate BMI? “bmi(80 kg, 180 cm)” or “bmi 80 kg 180 cm”. Hover the answer for the healthy range.
Can it work out my running pace? Yes: “pace 5 km in 27 min” gives the pace per kilometre and per mile, and “race 10 km in 50 min to marathon” predicts a finishing time.
Is this medical advice? No. Ratio does the arithmetic; what the numbers mean for your health is a question for a professional.