If you know the result that you want from a formula, but are not sure what input value the formula needs to get that result, use the Goal Seek feature. For example, suppose that you need to borrow some money. You know how much money you want, how long you want to take to pay off the loan, and how much you can afford to pay each month. You can use Goal Seek to determine what interest rate you will need to secure in order to meet your loan goal. Show
WindowsmacOS If you know the result that you want from a formula, but are not sure what input value the formula needs to get that result, use the Goal Seek feature. For example, suppose that you need to borrow some money. You know how much money you want, how long you want to take to pay off the loan, and how much you can afford to pay each month. You can use Goal Seek to determine what interest rate you will need to secure in order to meet your loan goal. Note: Goal Seek works only with one variable input value. If you want to accept more than one input value; for example, both the loan amount and the monthly payment amount for a loan, you use the Solver add-in. For more information, see Define and solve a problem by using Solver. Step-by-step with an exampleLet's look at the preceding example, step-by-step. Because you want to calculate the loan interest rate needed to meet your goal, you use the PMT function. The PMT function calculates a monthly payment amount. In this example, the monthly payment amount is the goal that you seek. Prepare the worksheet
Use Goal Seek to determine the interest rate
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