Using the Reverse Calculation Tool

The Reverse Calculation tool in DeskManager Online lets you restructure a deal around a specific target value — such as a monthly payment — without trial and error. This guide walks through how to use the tool, when to use it, and how to undo or save your changes.

This article covers:

• Where to Find the Reverse Calculation Tool
• How It Works
• Example: Using Payment as the Target
• Best Practices and Limitations

Where to Find the Reverse Calculation Tool

To use the Reverse Calculation tool, you’ll first need to start or open a deal. Once you’re on the Main tab of the Deal screen, scroll down to the section labeled Reverse Calculation.

How It Works

The Reverse Calculation tool allows you to choose a target value you want to hit — such as:

• Payment
• Amount Financed
• Out The Door Price

Once you’ve selected your target, you’ll enter the desired amount and then choose a field to adjust — for example, Cash Down or Term. The available adjustment options change depending on which target you select.

After clicking Calculate, DeskManager will automatically adjust the selected field to make the target work. This helps you quickly structure the deal around what matters most to the customer.

Example: Using Payment as the Target

Let’s say you’ve built a deal with the following values:

• Cash Price: $16,995
• Cash Down: $3,400
• Term: 48 months
• Interest Rate: 11.5%

All fees, taxes, and trade values have already been finalized.

The resulting monthly payment is a bit too high for your customer, so you use Reverse Calculation to lower it by about $20–$30. In this scenario, we’ll first try adjusting the Cash Down.

Set the first dropdown to Payment, enter the target monthly amount, and set the adjustment dropdown to Cash Down. Then click Calculate.

The system updates both the Cash Down and Total Down Payment fields, and recalculates the Contract Payment based on the new structure.

If the customer doesn’t want to increase their down payment, you can reset the deal and try adjusting the Term instead.

This gives you flexibility to meet the customer’s needs — whether that means adjusting the down payment, the loan length, or one of the other available options.

Best Practices and Limitations

Reverse Calculation works best when all other parts of the deal are already locked down — including the vehicle price, fees, and trade-in values. If you make changes to the deal after running Reverse Calculation, you’ll likely need to run it again.

You can use the Undo button immediately after clicking Calculate, but it only works during the current session. Once the deal has been saved and reopened, Undo will no longer be available.

When you’re satisfied with the changes, don’t forget to click Save.