Rounding Calculator
Round numbers to specified decimal places, significant figures, or nearest values with our free online rounding calculator.
Category: Calculator
Rounding Calculator
Round numbers to decimal places, significant figures, or to the nearest value.
Frequently Asked Questions
What are the different rounding methods?
Common rounding methods include rounding to the nearest integer, rounding to a specific number of decimal places, rounding to significant figures, and different rules like 'round half up' (traditional), 'round half down', 'round half to even' (banker's rounding), and truncation (simply dropping digits).
How do you round to a specific decimal place?
To round to a specific decimal place, identify the digit at the desired decimal place, then look at the next digit to the right. If this digit is 5 or greater, round up; if it's less than 5, round down. For example, to round 3.14159 to 2 decimal places, look at the digit in the third decimal place (1). Since it's less than 5, round down to 3.14.
What is banker's rounding (round half to even)?
Banker's rounding, also called 'round half to even', is a method where numbers that are exactly halfway between two values are rounded to the nearest even number. For example, 2.5 rounds to 2, while 3.5 rounds to 4. This method is designed to reduce bias in statistical data by alternating between rounding up and down.