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0.625 as a fraction

0.625 is 625 thousandths, so write it as 625/1,000 and simplify to 5/8.

The answer

0.625 = 5/8

How to write 0.625 as a fraction

Put the digits in a place value chart. The last digit tells you the bottom of the fraction.

OnesTenthsHundredthsThousandths
0625

The last digit is in the thousandths column, so 0.625 is 625 thousandths: 625/1,000.

Simplify by dividing the top and bottom by the same number. In one go, divide by the highest common factor, 125: 625/1,000 = 5/8.

If you cannot spot 125, smaller steps get there too:

  1. Divide by 5: 125/200
  2. Divide by 5: 25/40
  3. Divide by 5: 5/8

5 and 8 share no factor except 1, so 5/8 is the simplest form.

As a percentage, 0.625 = 62.5%: multiply by 100, which moves each digit two places to the left.

To check, divide back: see 5/8 as a decimal and 5/8 as a percentage.

See 5/8

The bar is cut into 8 equal parts and 5 are shaded.

Shade 5/8 on a fraction wall

The wall opens with 5/8 shaded in the eighths row. Look straight down: no other row ends in exactly the same place, so no other fraction on this wall equals 5/8. Tap other pieces to try more fractions.

A fraction wall from halves to tenths, opening on 5/8.

More decimals as fractions

Questions parents ask

What is 0.625 as a fraction in its simplest form?

0.625 = 625/1,000 = 5/8. Divide the top and bottom of 625/1,000 by 125 to get 5/8.

How do you write 0.625 as a fraction?

The last digit of 0.625 is in the thousandths column, so write the digits over 1,000: 625/1,000. Then simplify if you can.

What is 0.625 as a percentage?

0.625 = 62.5%. Multiply by 100: the digits move two places to the left.

Fractions, decimals and percentages run all through 11+ maths

Converting between them turns up in 11+ questions on percentages, ratio, money and data. The free diagnostic checks maths, English and both kinds of reasoning, and shows what to practise next. No card is required.