M/S to MPH Converter
Convert meters per second to miles per hour instantly. One meter per second equals exactly 2.236936 miles per hour. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert meters per second to miles per hour
Worked example: convert 64 meters per second to miles per hour. Using miles per hour ← meters per second × 2.236936292, we get 64 × 2.236936292 = 143.16392 mph. To check the result, convert back: 143.16392 mph ÷ 2.236936292 = 64 m/s.
Meters per second to miles per hour chart
| Meters per second (m/s) | Miles per hour (mph) |
|---|---|
| 1 m/s | 2.236936 mph |
| 2 m/s | 4.473873 mph |
| 3 m/s | 6.710809 mph |
| 4 m/s | 8.947745 mph |
| 5 m/s | 11.18468 mph |
| 6 m/s | 13.42162 mph |
| 8 m/s | 17.89549 mph |
| 10 m/s | 22.36936 mph |
| 12 m/s | 26.84324 mph |
| 15 m/s | 33.55404 mph |
| 20 m/s | 44.73873 mph |
| 25 m/s | 55.92341 mph |
| 30 m/s | 67.10809 mph |
| 40 m/s | 89.47745 mph |
| 50 m/s | 111.8468 mph |
| 75 m/s | 167.7702 mph |
| 100 m/s | 223.6936 mph |
| 150 m/s | 335.5404 mph |
| 200 m/s | 447.3873 mph |
| 250 m/s | 559.2341 mph |
| 500 m/s | 1,118.468 mph |
| 1,000 m/s | 2,236.936 mph |
Miles per hour to meters per second (reverse)
| Miles per hour (mph) | Meters per second (m/s) |
|---|---|
| 1 mph | 0.44704 m/s |
| 2 mph | 0.89408 m/s |
| 5 mph | 2.2352 m/s |
| 10 mph | 4.4704 m/s |
| 20 mph | 8.9408 m/s |
| 50 mph | 22.352 m/s |
| 100 mph | 44.704 m/s |
| 250 mph | 111.76 m/s |
| 500 mph | 223.52 m/s |
| 1,000 mph | 447.04 m/s |
About the meter per second and the mile per hour
Meters per second is the SI unit of speed, used in physics, engineering, wind-speed forecasts in many countries and athletics. Sound in air at 20 °C travels at about 343 m/s.
Miles per hour is the speed unit on road signs and speedometers in the United States and United Kingdom.
One meter per second equals 2.236936 miles per hour, which makes the meter per second the faster unit of the two.
Everyday sizes in meters per second and miles per hour
| Everyday example (approximate) | In meters per second | In miles per hour |
|---|---|---|
| A jogger | 3 m/s | 6.7108 mph |
| A city cyclist | 5.5 m/s | 12.303 mph |
| Usain Bolt's peak sprint speed | 12.4 m/s | 27.738 mph |
| A car on a city road | 13.89 m/s | 31.071 mph |
| A car on a highway | 27.78 m/s | 62.142 mph |
| A cheetah's top speed | 29 m/s | 64.871 mph |
Meters per second to miles per hour FAQ
How many miles per hour are in one meter per second?
One meter per second equals exactly 2.236936292 miles per hour. In the other direction, one mile per hour equals 0.44704 meters per second.
How do I convert meters per second to miles per hour without a calculator?
convert 64 meters per second to miles per hour. Using miles per hour ← meters per second × 2.236936292, we get 64 × 2.236936292 = 143.16392 mph. To check the result, convert back: 143.16392 mph ÷ 2.236936292 = 64 m/s. For a quick estimate, round the factor to 2.2. Then 64 m/s is about 140.8 mph, compared with the exact 143.164 mph (an error of 1.7%). That is close enough for planning, but use the calculator above when the number matters.
What is a cheetah's top speed in miles per hour?
A cheetah's top speed is about 29 meters per second, which is 64.871 miles per hour. Treat that as an approximate everyday figure rather than an official measurement.
Are the meters per second and miles per hour the same in every country?
Meters per second is the SI unit of speed. One mile per hour is exactly 0.44704 m/s.