37/64 Inch to MM
Fractional inch to millimeters
37/64 inch (37/64β³)
14.684375 mm
= 1.468437 cm Β· 0.578125 inch decimal Β· 1 inch = 25.4 mm exactly
π‘ Standard fractional drill bit size. 1/64 in is also the finest graduation printed on a US tape measure.
Also written as
37/64 to mm Β· 37/64 in mm Β· 37/64" in mm Β· 37/64 inch in mm Β· 37/64 inches to millimeters Β· 37/64 en mm Β· 0.578125 inch to mm
All of these mean the same measurement. The double-prime mark (β³) and the plain quote (") both stand for inches, and en mm is simply the French and Spanish wording of the same question.
Closest metric drill size
15 mm
37/64β³ = 14.684375 mm Β· difference 0.3156 mm
Metric drills step in 0.5 mm, so a fractional inch size rarely lands exactly on one. A 0.3156 mm gap is usually invisible in a clearance hole but changes the fit on a press fit or a tapped hole.
Nearby fractional inches
| Fraction | mm | cm | Decimal |
|---|---|---|---|
| 35/64β³ | 13.890625 mm | 1.389063 cm | 0.546875β³ |
| 9/16β³ | 14.2875 mm | 1.42875 cm | 0.5625β³ |
| 37/64β³ | 14.684375 mm | 1.468437 cm | 0.578125β³ |
| 19/32β³ | 15.08125 mm | 1.508125 cm | 0.59375β³ |
| 39/64β³ | 15.478125 mm | 1.547813 cm | 0.609375β³ |
37/64β³ is 37/64 of an inch β the 37th mark from zero on a tape measure graduated in sixty-fourths.
FAQ
How many mm is 37/64 inch?
37/64 inch equals 14.684375 mm. One inch is defined as exactly 25.4 mm, so the result is 25.4 Γ 37 Γ· 64.
What is 37/64 inch in decimal?
37/64 inch is 0.578125 inch in decimal, which is 14.684375 mm or 1.468437 cm.
Which metric size is closest to 37/64 inch?
15 mm is the closest common metric size, a difference of 0.3156 mm. Fractional-inch and metric fasteners are not interchangeable when the gap is more than about 0.2 mm.
Why is the value exact?
The international yard and pound agreement of 1959 fixed the inch at exactly 25.4 mm, so fractional inch conversions terminate rather than repeat.
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