You're asking to convert 24 and 5/8 inches into millimeters. Here's how to do that:

1. Convert the fraction to a decimal:

* 5/8 = 0.625

2. Add the whole number:

* 24 + 0.625 = 24.625 inches

3. Convert inches to millimeters:

* 1 inch = 25.4 millimeters

* 24.625 inches * 25.4 millimeters/inch = 625.25 millimeters

Therefore, 24 5/8 inches is equal to 625.25 millimeters.