Master Your Health: Understanding BMI
Body Mass Index (BMI) is a simple but powerful tool for assessing your health. Learn what your numbers mean and how to calculate them.
Feb 11, 2026
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View detailed breakdowns and explanations below.
m = km × 1000
mi = km × 0.6214
ft = km × 3280.84
The kilometer is the standard unit of distance in most of the world. Only the US and UK commonly use miles.
A "5K" run is exactly 5 kilometers. 5 * 0.62 ≈ 3.1 miles. A "10K" is 6.2 miles.
Speed limits in Canada and Europe are km/h. 100 km/h is approx 62 mph.
Distances in space are often in km (e.g., orbit height). ISS orbits at approx 400 km (250 miles).
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