17/32 as a decimal
17/32 = 0.53125 inches = 13.4937 mm.
0.53125
17/32 of an inch
Millimetres
13.4937 mm
Centimetres
1.34937 cm
Percent
53.125%
Decimal
terminates
Where 17/32 falls at each precision, and whether the mark is the value exactly
| Rule | Nearest mark | Exact? |
|---|---|---|
| 1/16 | 9/16 | nearest |
| 1/32 | 17/32 | exact |
| 1/64 | 17/32 | exact |
17/32 = 34/64
All the same mark. 17/32 is the form in lowest terms, which is how a rule labels it and how a cut list should read.
Converting 17/32 to a decimal
A fraction is a division. 17/32 = 17 ÷ 32 = 0.53125. The decimal terminates because 32 factors into 2 × 2 × 2 × 2 × 2 — only 2s and 5s, the factors of ten. Any fraction whose denominator is built from those has an exact decimal.
In metric that is 13.4937 millimetres (1.34937 cm), since one inch is exactly 25.4 mm. As a percentage of an inch it is 53.125%.
17/32 is a real mark on a rule: it is the 17/32 mark on a 1/32 rule, and the same mark is written 34/64 at finer precisions.
Going the other way
To turn 0.53125 back into a fraction, pick the precision you are working to and multiply. At 1/16: 0.53125 × 16 = 8.5, giving 9/16 after rounding to the nearest mark. At 1/32: 0.53125 × 32 = 17, giving 17/32 exactly. At 1/64: 0.53125 × 64 = 34, giving 17/32 exactly.
What is 17/32 as a decimal?
17/32 as a decimal is 0.53125. Divide the numerator by the denominator: 17 ÷ 32 = 0.53125. The division comes out exactly, with no remainder left over.
What is 0.53125 as a fraction?
0.53125 as a fraction is 17/32, in lowest terms. It can also be written 34/64, which are the same value expressed over a larger denominator.
How many millimetres is 17/32 of an inch?
17/32 of an inch is 13.4937 mm, or 1.34937 cm. An inch has been defined as exactly 25.4 mm since 1959, so this conversion is a definition rather than a measurement — the millimetre value is exact too.
Where is 17/32 on a tape measure?
17/32 is a real mark on a rule: it is the 17/32 mark on a 1/32 rule, and the same mark is written 34/64 at finer precisions.