Reply to post: Re: FYI 5.5 meters per second is about 20 kilometers per hour

Re: FYI 5.5 meters per second is about 20 kilometers per hour

The rule of thumb I use is to double the value of m/s to get an approximation for mph.

So 5.5 m/s is about 11mph.

If you want, you can then add 10% for better accuracy, which would take you to 12 mph.

Actual value is 12.3 mph.