At One Place

30 km/h to mph

30 kilometers per hour in miles per hour
30 km/h = 18.64114 mph
mph = km/h × 0.6213711922

30 kilometers per hour is 18.64114 miles per hour. To get there, multiply by 0.6213711922.

Values either side

Kilometers per hour near 30, converted to miles per hour.
Kilometers per hour Miles per hour
26 km/h 16.15565
27 km/h 16.77702
28 km/h 17.39839
29 km/h 18.01976
30 km/h ← 18.64114
32 km/h 19.88388
35 km/h 21.74799
36 km/h 22.36936
37 km/h 22.99073

How the conversion works

The relationship is mph = km/h × 0.6213711922. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

What is 30 km/h in miles per hour?
30 km/h is 18.64114 mph.
How do you convert kilometers per hour to miles per hour?
Multiply by 0.6213711922.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked