15/32 Inch to MM
Fractional inch to millimeters
15/32 inch (15/32β³)
11.90625 mm
= 1.190625 cm Β· 0.46875 inch decimal Β· 1 inch = 25.4 mm exactly
π‘ Common SAE socket, wrench and drill bit size β thirty-seconds are the usual step between sixteenth-inch sizes.
Also written as
15/32 to mm Β· 15/32 in mm Β· 15/32" in mm Β· 15/32 inch in mm Β· 15/32 inches to millimeters Β· 15/32 en mm Β· 0.46875 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
12 mm
15/32β³ = 11.90625 mm Β· difference 0.0938 mm
Metric drills step in 0.5 mm, so a fractional inch size rarely lands exactly on one. A 0.0938 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 |
|---|---|---|---|
| 13/32β³ | 10.31875 mm | 1.031875 cm | 0.40625β³ |
| 7/16β³ | 11.1125 mm | 1.11125 cm | 0.4375β³ |
| 15/32β³ | 11.90625 mm | 1.190625 cm | 0.46875β³ |
| 1/2β³ | 12.7 mm | 1.27 cm | 0.5β³ |
| 17/32β³ | 13.49375 mm | 1.349375 cm | 0.53125β³ |
15/32β³ is 30/64 of an inch β the 30th mark from zero on a tape measure graduated in sixty-fourths.
FAQ
How many mm is 15/32 inch?
15/32 inch equals 11.90625 mm. One inch is defined as exactly 25.4 mm, so the result is 25.4 Γ 15 Γ· 32.
What is 15/32 inch in decimal?
15/32 inch is 0.46875 inch in decimal, which is 11.90625 mm or 1.190625 cm.
Which metric size is closest to 15/32 inch?
12 mm is the closest common metric size, a difference of 0.0938 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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