# Goal Seek

Goal Seek Example 1 | Goal Seek Example 2

If you know the result you want from a formula, use **Goal Seek** in **Excel** to find the input value that produces this formula result.

### Goal Seek Example 1

Use Goal Seek in Excel to find the grade on the fourth exam that produces a final grade of 70.

1. The formula in cell B7 calculates the final grade.

2. The grade on the fourth exam in cell B5 is the input cell.

3. On the Data tab, in the Forecast group, click What-If Analysis.

4. Click Goal Seek.

The Goal Seek dialog box appears.

5. Select cell B7.

6. Click in the 'To value' box and type 70.

7. Click in the 'By changing cell' box and select cell B5.

8. Click OK.

Result. A grade of 90 on the fourth exam produces a final grade of 70.

### Goal Seek Example 2

Use Goal Seek in Excel to find the loan amount that produces a monthly payment of $1500.

1. The formula in cell B5 calculates the monthly payment.

Explanation: the PMT function calculates the payment for a loan. If you've never heard of this function before, that's OK. The higher the loan amount, the higher the monthly payment. Assume, you can only afford $1500 a month. What is your maximum loan amount?

2. The loan amount in cell B3 is the input cell.

3. On the Data tab, in the Forecast group, click What-If Analysis.

4. Click Goal Seek.

The Goal Seek dialog box appears.

5. Select cell B5.

6. Click in the 'To value' box and type -1500 (negative, you are paying out money).

7. Click in the 'By changing cell' box and select cell B3.

8. Click OK.

Result. A loan amount of $250,187 produces a monthly payment of $1500.