11.72 100 meter time to 40 yard dash
12.5 seconds in the 100 yard dash would convert to 13.67 seconds in the 100 meter dash.
12.7 for 100 meters.
Divide the 100m time by 0.9144.
It converts to 12.7 seconds for 100 meters.
100 meter dash
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.
1 meter = 1.0936133 yard
A 6.8 in the 60-meter dash equates to a 4.1 (4.145) in the 40-yard dash.