Add Commas to Numbers


About


You can add commas or periods to numbers in a text with this tool. It works by pulling out the numbers and putting commas and periods where they belong. As a general rule, after every third digit in a number with more than three digits, you should put a comma (reading from right to left).

The tool assumes that the numbers in the text are unformatted but it can detect decimal separators and the fractional part of the number (e.g. 1000.00). Once you applied commas, you cannot use it again to apply periods (for European languages). To revert the changes, use the undo fuction under edit button.

Use comma


In US/UK English, comma is used to separate every third digit and period is used as a decimal separator. This is the default setting.

Before
1000
1000.00
10000
After
1,000
1,000.00
10,000

Use period


In many countries in Europe, it's the other way around. The comma is used instead of the decimal point. The period is used to separate the thousands. Use this for languages other than English.

Before
1000
1000,00
10000
After
1.000
1.000,00
10.000