How to Use the ROUND Function in Excel: A Step-by-Step Guide

In this tutorial, we explore the ROUND function in Excel. We demonstrate how to use this function to round numbers to a specific number of decimal places. We cover both positive and negative numbering, showing the effects on both decimal and whole numbers. By the end of this video, you'll understand how to effectively use the ROUND function for various rounding needs.

What will you learn

  • How to use the ROUND function to round numbers in Excel.
  • The syntax and arguments of the ROUND function.
  • How to round numbers to specific decimal places.
  • The effect of using negative values in the ROUND function to round to the nearest tens, hundreds, etc.
  • Practical examples of rounding different numbers using the ROUND function.

Takeaway notes

  • The ROUND function in Excel requires two arguments: the number to be rounded and the number of digits to round to.
  • Positive numbers in the 'number of digits' argument round to the right of the decimal point.
  • A '0' in the 'number of digits' argument rounds to the nearest whole number.
  • Negative numbers in the 'number of digits' argument round to the left of the decimal point, e.g., to the nearest ten, hundred, etc.
  • Rounding follows standard rules where numbers 5 and above round up, and numbers below 5 round down.

Practice questions

  1. Write the formula to round the number 123.45678 to two decimal places.
  2. How would you use the ROUND function to round the number 9876.54321 to the nearest whole number?
  3. Round the number 34567.8910 to three decimal places using the ROUND function.
  4. Using the ROUND function, round the number 124.567 to zero decimal places.
  5. Suppose you have the number 56.789. How would you round it to one decimal place?
  6. What formula would you use to round the number 432.876 to the nearest ten?
  7. How does the ROUND function handle the rounding of the number 123.555 when rounded to two decimal places?
  8. Round the number 789.456 to the nearest hundred using the ROUND function.
  9. What is the result of rounding the number 367.821 to the nearest thousand with the ROUND function?
  10. If you round 15.876 to one decimal place using ROUND, what would be the outcome?
  11. How would you round the number 8642.1234 to the nearest ten using the ROUND function?
  12. Write an example where the ROUND function is used with a negative number of digits argument.
  13. Round the number 3.14159265 to four decimal places with the ROUND function.
  14. What does the formula =ROUND(4825.73, -2) return?
  15. How would you round the number 99.9999 to two decimal places using ROUND?

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