8+ Ifs の使い方 Ideas

Introduction

Welcome to our guide on how to use IFS! IFS stands for "If Function with Multiple Conditions" and is a powerful tool in Excel that allows you to perform complex calculations based on multiple conditions. In this article, we'll explain what IFS is, how it works, and give you some practical examples of how to use it in your spreadsheets.

What is IFS?

IFS is a logical function in Excel that allows you to test multiple conditions and return a value based on the first true condition. It's similar to the IF function, but with IFS, you can test up to 127 conditions, making it much more powerful. IFS is especially useful when you have a large dataset with multiple conditions that need to be met for a particular outcome.

How to Use IFS

Using IFS is relatively straightforward. The syntax for IFS is as follows:

=IFS(Condition1, Value1, Condition2, Value2, ..., Condition127, Value127)

Each condition is evaluated in the order they are written, and the first condition that evaluates to TRUE is returned. If none of the conditions are true, IFS returns an error.

Example 1: Basic IFS Function

Let's say we want to calculate the commission rate for salespeople based on their sales amount. We can use the following IFS formula:

=IFS(A2<10000, 0, A2<20000, 0.05, A2<30000, 0.1, A2>=30000, 0.15)

This formula tests the sales amount in cell A2 and returns the commission rate based on the first condition that is true.

Example 2: Using IFS with AND Function

Sometimes, we need to test multiple conditions using IFS. We can use the AND function to combine multiple conditions. For example:

=IFS(AND(A2<10000, B2="Yes"), 0, AND(A2<20000, B2="Yes"), 0.05, AND(A2<30000, B2="Yes"), 0.1, A2>=30000, 0.15)

This formula tests both the sales amount in cell A2 and whether the salesperson has met their target in cell B2. If both conditions are met, the commission rate is returned based on the first true condition.

Example 3: Using IFS with OR Function

Similarly, we can use the OR function to test multiple conditions in IFS. For example:

=IFS(OR(A2>10000, B2="Yes"), 0, OR(A2>20000, B2="Yes"), 0.05, OR(A2>30000, B2="Yes"), 0.1, A2>=30000, 0.15)

This formula tests whether the sales amount in cell A2 is greater than a certain amount or whether the salesperson has met their target in cell B2. If either condition is true, the commission rate is returned based on the first true condition.

Conclusion

IFS is a powerful tool in Excel that allows you to perform complex calculations based on multiple conditions. By using IFS, you can save time and effort in your spreadsheet work, and ensure accuracy in your calculations. We hope this guide has been helpful in explaining what IFS is, how it works, and giving you some practical examples of how to use it in your spreadsheets.

References

Microsoft Support. (n.d.). Use the IFS function to test multiple conditions. Retrieved from https://support.microsoft.com/en-us/office/use-the-ifs-function-to-test-multiple-conditions-69aed7c9-4e8a-4755-a9bc-aa8bbff73be2