When you’re accumulating credit card debt, the key questions are: how much is it costing me, and when can I pay it off? Of course, minimum payments are set for the credit card company’s benefit, not yours, and can leave you in debt forever. So it’s useful to evaluate different strategies for paying down the debt in a way that fits your overall monthly budget. That’s where this free credit card calculator can help. You’ll input your account balance and interest rate, along with your average monthly charges, and then select one of several options to pay off the debt. Managing credit card debt is covered in “What Would Dad Do? Volume 1 - The Early Years.”

Requires the Excel, LibreOffice, or OpenOffice application. The spreadsheet-formatted files are provided at the download link emailed after checkout.