 # CEILING

In this comprehensive guide, we will explore everything you need to know about the CEILING function in Excel. The CEILING function is a useful tool for rounding numbers up to the nearest multiple of a specified value. This can be particularly helpful in various scenarios, such as calculating the total cost of items with specific price increments or determining the next highest multiple for a given number.

## CEILING Syntax

The syntax for the CEILING function in Excel is as follows:

=CEILING(number, significance)

Where:

• number is the value you want to round up.
• significance is the multiple to which you want to round the number up.

Note that both the number and significance arguments are required for the CEILING function to work correctly.

## CEILING Examples

Let’s take a look at some examples of how to use the CEILING function in Excel:

Example 1: Rounding up a number to the nearest multiple of 10

=CEILING(47, 10)

In this example, the number 47 is rounded up to the nearest multiple of 10, resulting in a value of 50.

Example 2: Rounding up a decimal number to the nearest multiple of 0.5

=CEILING(3.7, 0.5)

Here, the decimal number 3.7 is rounded up to the nearest multiple of 0.5, resulting in a value of 4.

Example 3: Rounding up a negative number to the nearest multiple of 5

=CEILING(-23, 5)

In this case, the negative number -23 is rounded up to the nearest multiple of 5, resulting in a value of -20.

## CEILING Tips & Tricks

Here are some tips and tricks to help you get the most out of the CEILING function in Excel:

1. Remember that the CEILING function always rounds up, even if the number is already a multiple of the specified significance. If you need to round down, consider using the FLOOR function instead.
2. If you want to round a number to the nearest integer, you can use the CEILING function with a significance of 1.
3. When working with time values, you can use the CEILING function to round up to the nearest hour, minute, or second by specifying the appropriate significance value (e.g., 1/24 for hours, 1/1440 for minutes, or 1/86400 for seconds).

## Common Mistakes When Using CEILING

Here are some common mistakes to avoid when using the CEILING function in Excel:

1. Forgetting to include both the number and significance arguments in the function, which will result in an error.
2. Using a negative value for the significance argument when working with positive numbers, or vice versa. This will also result in an error.
3. Not considering the effect of rounding up on your calculations, especially when working with large data sets or financial figures. Always double-check your results to ensure accuracy.

## Why Isn’t My CEILING Function Working?

If you’re having trouble with the CEILING function in Excel, consider the following troubleshooting tips:

1. Ensure that both the number and significance arguments are included in the function.
2. Check that the significance argument has the correct sign (positive or negative) based on the number you’re rounding.
3. Verify that your formula is entered correctly, without any typos or syntax errors.
4. Consider any formatting issues that may be affecting the display of your results, such as number formatting or cell formatting.

## CEILING: Related Formulae

Here are some related formulae that you may find useful when working with the CEILING function in Excel:

1. FLOOR: This function rounds a number down to the nearest multiple of a specified value. The syntax is similar to the CEILING function: =FLOOR(number, significance).
2. ROUND: This function rounds a number to a specified number of decimal places. The syntax is =ROUND(number, num_digits), where num_digits is the number of decimal places to round to.
3. MROUND: This function rounds a number to the nearest multiple of a specified value, either up or down depending on the number. The syntax is =MROUND(number, multiple).
4. INT: This function rounds a number down to the nearest integer. The syntax is =INT(number).
5. TRUNC: This function truncates a number to a specified number of decimal places, effectively removing any decimal portion beyond the specified number of places. The syntax is =TRUNC(number, [num_digits]), where num_digits is optional and defaults to 0 if not provided.

By understanding the ins and outs of the CEILING function in Excel, you can effectively round numbers up to the nearest multiple of a specified value, making your calculations more accurate and efficient. With this comprehensive guide, you should now have all the information you need to master the CEILING function and its related formulae.

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