Rounding Calculator

Free online rounding calculator. Round numbers to N decimal places. Accurate and easy to use.

Enter a decimal number

Significant figures mode

Decimal places (0-10)

Rounding method

Result

Original

3.14159

2 decimal places

3.14

Fraction form (original)

355/113

Fraction form (rounded)

157/50

Step: Half-way up → 314.159 → round to 314 → 3.14