This calculator converts elapsed time and speed from the 1/8 mile to the 1/4 mile so you can predict a full quarter mile run performance.
Also called: Eighth mile to quarter mile or 1/8 mile conversion
| variable | description |
| eight mile et | the et for the eighth mile |
| eighth mile mph | the terminal speed for the eighth mile |
| quarter mile et | the et for the quarter mile |
| quarter mile mph | the terminal speed for the quarter mile |
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