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Learn how to round numbers using different methods and levels of precision. Use the calculator to round any number to the nearest integer, fraction, or other custom value.
- Rounding Numbers
- Basic Rules of Rounding
- New Content: Rounding Method of This Calculator
- Round to The Nearest Hundred: 3250
- ND to The Nearest Ten: 323.5
- Round to The Nearest Ten: 499
- ND to The Nearest Tenth: 0.74
- ND to The Nearest Hundredth: 3.141
- Related Calculators
- Further Reading
- GeneratedCaptionsTabForHeroSec
Say you wanted to round the number 838.274. Depending on which place value you'll round to, the final result will vary. Rounding 838.274: 1. Rounding to the nearest hundred is 800 2. Rounding to the nearest ten is 840 3. Rounding to the nearest one is 838 4. Rounding to the nearest tenth is 838.3 5. Rounding to the nearest hundredth is 838.27
When you "round to the nearest _____" regardless of what goes in the blank the steps are nearly always the same: 1. Identify which place value you are rounding to. The smaller the place value, the more accurate the final result will be. 2. Look to the next smallest place value, the digit to the right of the place value you're rounding to. For examp...
This Rounding Numbers Calculator uses the method called Round Half Away From Zero. An explanation of this and other rounding methods can be found on our Rounding Methods Calculator page.
Identify the hundreds digit: the 2 in 3250Identify the next smallest place value: the 5 in 3250Is that digit greater than or equal to five? Yes, so round up.Increase the hundreds digit by one, so 2 becomes 3. Every digit after becomes a zero.Identify the tens digit: the 2 in 323.5Identify the next smallest place value: the 3 in 323.5Is that digit greater than or equal to five? No, so round down.The tens digit stays the same at 2. Every digit after becomes a zero. Digits after the decimal point are dropped.Identify the tens digit: the first 9 in 499Identify the next smallest place value: the second 9 in 499Is that digit greater than or equal to five? Yes, so round up.The tens digit increases by one. Since 9+1=10, you need to carry the 1 and add it to the digit in the hundreds place. Each digit after becomes a zero.Identify the tenths digit: 7 in 0.74Identify the next smallest place value: the 4 in 0.74Is that digit greater than or equal to five? No, so round down.The tenths digit stays the same at 7. Since the remaining digits are after the decimal point you just drop them.Identify the hundredths digit: the 4 in 3.141Identify the next smallest place value: the second 1 in 3.141Is that digit greater than or equal to five? No, so round down.The hundredths digit stays the same at 4. Drop the digits to the right of 4.To learn how to round a number to the nearest multiple see our Round to Nearest Multiple Calculator. Round to multiples of whole numbers or decimals such as tenths, hundredths, thousandths, etc.
About.com on How to Round Numbers MathPlayground: How do you Round? Math.com has several lessons on estimating and rounding.
Learn how to round numbers to any decimal place using the round half away from zero method. Enter a number and choose the place value to round to, and get the answer and an explanation.
Learn how to round numbers to different places, such as tens, hundreds, decimal places, or significant digits. Follow the common method of rounding, which rounds up if the next digit is 5 or more, and see examples and exercises.
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What is rounding a number?
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Learn how to round numbers to different digits, such as the nearest ten, hundred, or thousand, with rules and examples. Find out how to round up or down fractions and whole numbers, and download worksheets to practice.
Oct 11, 2023 · Rounding number is the process of approximating the number to its closest value. It involves reducing the number of significant digits while retaining the general magnitude or size of the original number. The result of rounding is less accurate than the original number but simplifies calculations.
Jan 18, 2024 · Learn how to round numbers to different precisions and modes with this online tool. Enter a number and choose from various rounding options, or use the advanced mode for custom rounding algorithms.
Learn how to round numbers in different ways, such as half up, half down, round to even, round to odd, floor and ceiling. See examples, definitions and comparisons of rounding methods.
