35/64 Inch to MM

Fractional inch to millimeters

35/64 inch (35/64β€³)
13.890625 mm
= 1.389063 cm Β· 0.546875 inch decimal Β· 1 inch = 25.4 mm exactly
πŸ’‘ Standard fractional drill bit size. 1/64 in is also the finest graduation printed on a US tape measure.
Also written as

35/64 to mm Β· 35/64 in mm Β· 35/64" in mm Β· 35/64 inch in mm Β· 35/64 inches to millimeters Β· 35/64 en mm Β· 0.546875 inch to mm

All of these mean the same measurement. The double-prime mark (β€³) 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
14 mm
35/64β€³ = 13.890625 mm Β· difference 0.1094 mm
Metric drills step in 0.5 mm, so a fractional inch size rarely lands exactly on one. A 0.1094 mm gap is usually invisible in a clearance hole but changes the fit on a press fit or a tapped hole.
Nearby fractional inches
FractionmmcmDecimal
33/64β€³13.096875 mm1.309688 cm0.515625β€³
17/32β€³13.49375 mm1.349375 cm0.53125β€³
35/64β€³13.890625 mm1.389063 cm0.546875β€³
9/16β€³14.2875 mm1.42875 cm0.5625β€³
37/64β€³14.684375 mm1.468437 cm0.578125β€³
35/64β€³ is 35/64 of an inch β€” the 35th mark from zero on a tape measure graduated in sixty-fourths.
FAQ
How many mm is 35/64 inch?
35/64 inch equals 13.890625 mm. One inch is defined as exactly 25.4 mm, so the result is 25.4 Γ— 35 Γ· 64.
What is 35/64 inch in decimal?
35/64 inch is 0.546875 inch in decimal, which is 13.890625 mm or 1.389063 cm.
Which metric size is closest to 35/64 inch?
14 mm is the closest common metric size, a difference of 0.1094 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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35/64 inch to mm

35/64 inch is 25.4 Γ— 35 Γ· 64 = 13.890625 mm, or 1.389063 cm. In decimal inches it is 0.546875β€³. Because the inch is defined as exactly 25.4 millimeters, fractional inch values convert without rounding.

Where this size shows up

Standard fractional drill bit size. 1/64 in is also the finest graduation printed on a US tape measure.

Matching it to metric

The nearest metric drill size is 14 mm, a difference of 0.1094 mm. Whether that matters depends on the job: a clearance hole tolerates it, a press fit or a tapped hole does not. For hex fasteners the same logic applies to socket sizes β€” a socket even a few tenths oversize will round the corners of the head.

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