What is 0.27 as a fraction?

0.27 as a fraction is 27/100. The digits go over 100, and 27 and 100 share no common factor, so it is already in lowest terms.

What is 0.27 as a percentage?

0.27 is 27%. Multiplying a decimal by 100 moves the point two places to the right.

How many millimetres is 0.27 of an inch?

0.27 inches is 6.858 mm, using the exact definition 1 inch = 25.4 mm.

0.27 as a fraction

Fraction27/100lowest terms

Decimal0.27

Percent27%

How to get there

0.27 has 2 digits after the point, so it is that many hundredths: write the digits over 100 — 27/100.
27 and 100 share no factor but 1, so 27/100 is already in lowest terms.

27 of 100 squares — 0.27 of the whole, which is also 27%.

As a measurement

Read as inches, 0.27″ is 6.858 mm exactly. The nearest marks on a rule:

Rule	Nearest mark	Inches	mm	Difference
16ths	1/4″	0.25	6.35	−0.508 mm
32ths	9/32″	0.28125	7.1438	+0.2858 mm
64ths	17/64″	0.265625	6.7469	−0.1111 mm

Common questions

What is 0.27 as a fraction?: 0.27 as a fraction is 27/100. The digits go over 100, and 27 and 100 share no common factor, so it is already in lowest terms.
What is 0.27 as a percentage?: 0.27 is 27%. Multiplying a decimal by 100 moves the point two places to the right.
How many millimetres is 0.27 of an inch?: 0.27 inches is 6.858 mm, using the exact definition 1 inch = 25.4 mm.

The same number, other ways

27/100Everything about the fraction: equivalents, the bar model, the number line.27%The same value as a percentage, with its own derivation.Decimal → fraction chartThe whole lookup table, printable.Nearest fractionMatch 0.27″ against any rule, with the exact error.

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.