About This Calculator
This calculator rounds any number to the nearest specified unit, supporting both whole number places (like tens, hundreds, thousands) and decimal places (like tenths, hundredths, thousandths).
How It Works
- Enter the number you want to round (positive or negative, with or without decimals).
- Select your desired rounding precision from the "Round To Nearest" dropdown menu. Options include billions, thousands, tenths, hundredths, and more.
- Click "Calculate" to view the rounded result.
Frequently Asked Questions
How do I round to the nearest hundred?
Select 'Hundreds' from the "Whole Number Places" optgroup in the "Round To Nearest" dropdown.
Can I round negative numbers?
Yes, the calculator supports rounding of negative numbers just like positive ones.
What does "Hundredths" mean?
"Hundredths" refers to rounding to two decimal places, or to the nearest 0.01.
Is rounding the same as truncating?
No. Rounding adjusts the number based on its next digit (up or down), while truncating simply cuts off digits without adjusting the value.
Can I round to custom values like 25 or 0.05?
This version of the calculator uses preset options, but rounding to arbitrary units like 25 or 0.05 could be supported in a future update.
What happens if I select Ones?
Selecting "Ones" rounds the number to the nearest whole number, removing all decimals.
Does it work on very large or very small numbers?
Yes, the calculator supports full JavaScript number precision, including scientific notation.