Rounding Calculator

Round numbers to specified decimal places with step-by-step explanation.

Rounding Rules

If the digit to the right is 5 or greater, round UP. If less than 5, round DOWN (keep same).

Examples

3.14159 to 2 decimal places = 3.14

3.14159 to 4 decimal places = 3.1416

1847 to nearest hundred = 1800

Popular Rounding Calculations

π to 2 decimals → π to 4 decimals → e to 2 decimals → √2 to 2 decimals → 0.333 to 2 decimals → 0.666 to 2 decimals →