What is 0.48 as a fraction?

0.48 as a fraction is 12/25. Write the digits over 100 to get 48/100, then divide top and bottom by 4.

What is 0.48 as a percentage?

0.48 is 48%. Multiplying a decimal by 100 moves the point two places to the right.

How many millimetres is 0.48 of an inch?

0.48 inches is 12.192 mm, using the exact definition 1 inch = 25.4 mm.

0.48 as a fraction

Fraction12/25lowest terms

Decimal0.48

Percent48%

How to get there

0.48 has 2 digits after the point, so it is that many hundredths: write the digits over 100 — 48/100.
48 and 100 share a greatest common divisor of 4. Divide both by it: 12/25.

48 of 100 squares — 0.48 of the whole, which is also 48%.

As a measurement

Read as inches, 0.48″ is 12.192 mm exactly. The nearest marks on a rule:

Rule	Nearest mark	Inches	mm	Difference
16ths	1/2″	0.5	12.7	+0.508 mm
32ths	15/32″	0.46875	11.9063	−0.2858 mm
64ths	31/64″	0.484375	12.3031	+0.1111 mm

Common questions

What is 0.48 as a fraction?: 0.48 as a fraction is 12/25. Write the digits over 100 to get 48/100, then divide top and bottom by 4.
What is 0.48 as a percentage?: 0.48 is 48%. Multiplying a decimal by 100 moves the point two places to the right.
How many millimetres is 0.48 of an inch?: 0.48 inches is 12.192 mm, using the exact definition 1 inch = 25.4 mm.

The same number, other ways

12/25Everything about the fraction: equivalents, the bar model, the number line.48%The same value as a percentage, with its own derivation.Decimal → fraction chartThe whole lookup table, printable.Nearest fractionMatch 0.48″ 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.