9/10 of 100 m time will be very close...

A reliable way to convert a hand-held 100-yard time to an electronic 100-meter time is to multiply the hh-time by 1.103.

Therefore, 10.2 in the 100-yard dash time equates to an 11.25 100-meter dash time.

Also, to convert an electronic 100-yard dash time to an electronic 100-meter dash time, multiply the first time by 1.088.

For example, a 10.20 electronic 100-yard time equates to an 11.10 electronic 100-meter dash time.

10*100 = 1000 times.

100% = 1*100 and 50% = 0.5*100

It is: 19 times 100/19 = 100