Rounding Methods

Round Half Up (5 rounds up): standard rounding. Round Half Down: 5 rounds down. Round Half to Even (Banker's): 5 rounds to nearest even, used in finance to reduce bias. Significant figures count non-zero digits from the first significant digit.

Round Number

Number
Round to
Decimal Places / Sig Figs / Nearest
Method

Result

Original
3.14159265
Rounded
3.14

3.14159265 → 3.14 (round half up to 2 decimal places)