Practical measurement guide
5/64 Inch to MM and CM
Convert 5/64 inch to decimal inches, centimeters, and millimeters with ruler-position and rounding guidance.
5/64 inch equals 0.078125 decimal inches, 0.198438 cm, and 1.984375 mm.
in
Decimals and fractions work, for example 1.5, 1/2, or 1 1/2.
mm
Try a value
Fractions
0.078125 in = 1.984375 mm
0.078125 in × 25.4 = 1.984375 mm
Decimal inches0.078125 in
Feet + inches0 ft 0.0781 in
Nearest 1/16 inch1/16"
Fraction inch result
5/64 inch equals 0.078125 inches, 0.198438 cm, and 1.984375 mm.
Calculation method
First divide 5 by 64 to get decimal inches. Then multiply decimal inches by 25.4 for millimeters or by 2.54 for centimeters.
Nearby ruler fractions
| Fraction | Decimal inches | Millimeters |
|---|---|---|
| 4/64 in | 0.0625 | 1.5875 mm |
| 5/64 in | 0.078125 | 1.984375 mm |
| 6/64 in | 0.09375 | 2.38125 mm |
Precision note
This page keeps the fraction exact and rounds the metric result only for display. Use 64ths when the tool or ruler supports fine increments; otherwise round to 32nds, 16ths, or 8ths.
Related measurement tools
Frequently asked questions
What is 5/64 inch as a decimal?
5/64 inch is 0.078125 decimal inches.
How many mm is 5/64 inch?
5/64 inch equals 1.984375 millimeters.
Is the fraction simplified?
Yes. This page uses a canonical common ruler fraction and does not publish duplicate simplified equivalents.