5/8 inch to decimal and mm
5/8" = 0.625" = 15.875 mm
5/8 is the thickness of fire-rated drywall and a common anchor bolt size. Machinists see it as 0.625 on drawings.
To get the decimal, divide the top number by the bottom: 5 ÷ 8 = 0.625. For millimeters, multiply that by 25.4, which gives 15.875 mm (about 15.9 mm if you're working with a metric ruler).
Nearby sizes in 64ths
| Fraction | Decimal (in) | Millimeters |
|---|---|---|
| 9/16" | 0.562500 | 14.287 mm |
| 37/64" | 0.578125 | 14.684 mm |
| 19/32" | 0.593750 | 15.081 mm |
| 39/64" | 0.609375 | 15.478 mm |
| 5/8" | 0.625000 | 15.875 mm |
| 41/64" | 0.640625 | 16.272 mm |
| 21/32" | 0.656250 | 16.669 mm |
| 43/64" | 0.671875 | 17.066 mm |
| 11/16" | 0.687500 | 17.462 mm |
Need a different value or want to round to 1/32 or 1/64? Use the full converter.