How to use this tool
Enter a decimal and choose 0–12 decimal places. For example, 1.005 rounds to 1.01 at two places; −1.005 rounds to −1.01.
Good to know
Uses exact decimal arithmetic. Halfway values round away from zero, and requested trailing zeros are retained. Supports ordinary decimals with up to 12 decimal places and magnitude up to 1 trillion; no scientific notation.