0.5 and above round up (e.g. 2.5 → 3).

What is half even (banker's)?

0.5 rounds to the nearest even number (2.5 → 2, 3.5 → 4).

What are ceiling and floor?

Ceiling: round up to integer; floor: round down to integer.

Round a number using different methods: half up, half down, half even (banker's), ceiling, floor.

Number

Decimal places

Method

What is half up?: 0.5 and above round up (e.g. 2.5 → 3).
What is half even (banker's)?: 0.5 rounds to the nearest even number (2.5 → 2, 3.5 → 4).
What are ceiling and floor?: Ceiling: round up to integer; floor: round down to integer.

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