About Rounding Calculator

This calculator supports multiple rounding modes and custom precision, including decimal places, negative precision (tens, hundreds), and fractional precision (e.g., 1/8).

Supported Rounding Modes

• Round to Nearest: Standard rounding to the closest value.
• Round Half Up: 0.5 rounds away from zero.
• Round Half Down: 0.5 rounds towards zero.
• Round Up (Ceiling): Always rounds up.
• Round Down (Floor): Always rounds down.
• Round Half to Even: 0.5 rounds to nearest even number.
• Round Half to Odd: 0.5 rounds to nearest odd number.
• Round Half Away from Zero: 0.5 rounds away from zero.
• Round Half Towards Zero: 0.5 rounds towards zero.

Examples

• Round 5.5 to nearest integer: 6
• Round 2.375 to nearest 0.25: 2.375 → 2.375 (already a multiple of 0.25)
• Round 2.37 to nearest 0.25: 2.37 → 2.25
• Round -5.5 (half up): -5