What is 9/16 as a decimal?

9/16 is exactly 0.5625 as a decimal.

How many millimetres is 9/16 of an inch?

9/16 of an inch is 14.2875 mm, computed with the exact definition 1 inch = 25.4 mm.

9/16

Fraction9/16

Decimal0.5625

Percent56.25%

9 of 16 equal parts filled — the same share as a bar and as a circle.

Where the decimal comes from

9/16 equals 5625/10,000 equals 0.5625.

Multiply the top and bottom by 625 and the denominator becomes 10,000. A fraction over 10,000 is what a decimal is: 0.5625 means 5625 thousandths.

Every way to write it

Decimal: 0.5625
Percent: 56.25%
Ratio: 9 : 16 (part to whole)
As inches: 9/16″ = 14.2875 mm

Equivalent fractions

Multiply the top and bottom of 9/16 by the same number and the value does not change:

9/16 = 18/32 = 27/48 = 36/64 = 45/80 = 54/96 · more, or pick a denominator

On the number line

As a measurement

Read as inches, 9/16″ is 14.2875 mm exactly. The nearest marks on the finer rules:

Rule	Nearest mark	Decimal inches	mm	Difference
16ths	9/16″	0.5625	14.2875	exact
32ths	9/16″	0.5625	14.2875	exact
64ths	9/16″	0.5625	14.2875	exact

Need a different rule or a tolerance? Nearest fraction · Within tolerance

Common questions

What is 9/16 as a decimal?: 9/16 is exactly 0.5625 as a decimal.
What is 9/16 as a percentage?: 9/16 is exactly 56.25%.
How many millimetres is 9/16 of an inch?: 9/16 of an inch is 14.2875 mm, computed with the exact definition 1 inch = 25.4 mm.

Fraction–decimal chartThe everyday set, printable.Rule charts16ths, 32nds, 64ths, 128ths.The rulerSee 9/16 in its place.

Where this comes from. Exact rational arithmetic on the values shown — fractions are pairs of integers until display, and inch–metric conversion uses 25.4 mm to the inch, exact by definition since 1959. See the full methodology.