MathDa
Unit converter
Speed
Convert
Chart
Speed conversion chart
Everyday speeds
km/h
Kilometer per hour
1
≈ × 0.277 778
m/s
Meter per second
≈ 0.277 777 78
≈ × 2.236 94
mph
Mile per hour
≈ 0.621 371 19
Choose a row, then type a number: the whole chart follows.
Metric, per second
Meters, changing time units
How to read it
Common mistake
Often asked
km/h
Kilometer per hour
≈
mph
= 15 625/25 146
· Mile per hour
1 km/h ≈ 0.621 371 192 237 mph
To calculator
Round
:
Auto
How to convert
mph = km/h ÷ 1.609 344
Quick table
In other units
Notes
7
8
9
÷
4
5
6
×
AC
1
2
3
−
(
±
0
.
+
)