Rounding Calculator — Decimal Places

Round a number up, down, or to nearest for any chosen decimal precision.

Examples

What does round half up mean?

Values exactly halfway between two numbers round away from zero.

Calculate percentages, find what percent one number is of another, and track percentage c…

Solve complex math problems instantly with our free online scientific calculator, featuri…

Easily add, subtract, multiply, and divide fractions. Get the simplified fractional resul…

Simplify any ratio A:B to its lowest terms.

Solve for the missing value in a proportion A:B = C:D.