Rounding Calculator
Round a number to as many decimal places as you need.
Calculate
Enter your values below.
Result
Rounded value
0
Formula used
The number is scaled by 10 to the power of the chosen decimal places, rounded to the nearest whole number, then scaled back down.
Example: 3.14159 rounded to 2 decimal places = 3.14.
How to use this calculator
- Enter Number, Decimal places.
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
How does rounding work here?
Standard rounding is used: values ending in .5 or higher round up.
Can I round to zero decimal places?
Yes — this rounds to the nearest whole number.
What is the maximum number of decimal places?
Up to 10 decimal places are supported.
Does this work with negative numbers?
Yes, negative numbers round the same way, symmetrically.