How it works
Look at the digit immediately after the last retained place. If it is 5 or more, increase the retained digit by one; otherwise leave it unchanged.
Numbers and notation
Rounding Calculator
Choose the number of decimal places to keep. The result explains whether the last retained digit changes.
Your result12.35
The next digit is 5, so the last retained digit increases.
- Decimal places kept
- 2
- Deciding digit
- 5
Understanding your result
Rounding gives a nearby, simpler representation of the original number. It changes its displayed precision, not the underlying exact value.
Last verified:
03FAQ
Frequently asked questions
It is a position to the right of the decimal separator: tenths, hundredths, thousandths and so on.