Enter a number, the decimal places to keep and the rounding method.
Formula
Nearest: round half up Up: ceiling Down: floor
Worked example
3.14159 rounded to 2 decimals is 3.14; rounded up it is 3.15.
Frequently asked questions
What happens with a 5?
Rounding to the nearest goes up on a 5: 2.345 becomes 2.35.
What is rounding up?
Always moving to the next higher value: 2.301 becomes 2.31.
Should I round during a calculation?
No, round only the final result to avoid errors piling up.
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Results are estimates for information only. Check important figures with a professional.