Pair · reciprocal

kilometers per hour to seconds per mile

km/hs/mi
Active unit

kilometers per hour · ≈ 0.72 s/m (base)

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5 results
  • km/hkilometer per hour5
How we calculated this
Target:
Formula
s/mi = 5,793.6384 ÷ km/h
Calculation
5,793.6384 ÷ 5 = 1,158.72768
Factor
—

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Pace

Running pace — why less means faster

Your watch reads "5:30" and you instinctively look for kilometers per hour. In running the distance is fixed in advance, so what matters is the time per kilometer — which is why a smaller number means a faster run. Here is the math of pace: the rule of 60, the decimal trap, the nonlinear hyperbola, and why your GPS pace goes haywire.

10 min

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