How do I convert MPH to KM/H?

Multiply MPH by 1.60934 to get KM/H. For example, 20 MPH × 1.60934 = 32.19 KM/H. To convert KM/H to MPH, divide by 1.60934 or multiply by 0.62137.

What is a good average cycling speed?

For recreational cyclists, 10-14 MPH (16-22 KM/H) is typical. Fit commuters average 15-18 MPH (24-29 KM/H). Competitive amateurs ride 18-22 MPH (29-35 KM/H). Professional road racers average 25-28 MPH (40-45 KM/H) in flat stages.

How fast do Tour de France riders go?

Tour de France riders average 25-28 MPH (40-45 KM/H) on flat stages and can sprint at over 40 MPH (65 KM/H). On mountain descents, speeds can exceed 60 MPH (97 KM/H).

Cycling Speed Conversions: MPH to KM/H Guide

Speed Conversion Formula

KM/H = MPH × 1.60934

MPH = KM/H ÷ 1.60934

Cycling Speed Reference Chart

MPH	KM/H	Level
8-10	13-16	Casual / leisure
10-14	16-22	Recreational
14-18	22-29	Fit commuter
18-22	29-35	Competitive amateur
22-25	35-40	Cat 1-2 racer
25-28	40-45	Professional
28-35	45-56	Sprint / time trial

Quick Conversion Table

MPH	KM/H	MPH	KM/H
10	16.1	22	35.4
12	19.3	24	38.6
14	22.5	26	41.8
16	25.7	28	45.1
18	29.0	30	48.3
20	32.2	35	56.3

Bike Computer Settings

Most bike computers (Garmin, Wahoo, etc.) can display in either MPH or KM/H. US cyclists typically use MPH while European cyclists use KM/H. Strava displays in your locale's preferred unit but allows switching in settings.

Convert speeds with our speed converter.