Debt Payoff Equation:
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The Debt Payoff Calculator estimates how long it will take to pay off a debt based on your monthly payment, current balance, and interest rate. It uses the same calculation method as Bankrate's debt payoff tool.
The calculator uses the debt payoff equation:
Where:
Explanation: The equation calculates how many months are needed to pay off debt when making fixed monthly payments that cover both principal and interest.
Details: Knowing your payoff timeline helps with financial planning, budgeting, and evaluating different repayment strategies like debt snowball or avalanche methods.
Tips: Enter your actual monthly payment, current balance, and annual interest rate. The calculator assumes fixed payments and interest rate throughout the payoff period.
Q1: What if my payment is too low to pay off the debt?
A: The calculator will show "∞" if your payment doesn't cover the monthly interest (PMT ≤ Balance × r).
Q2: How accurate is this calculator?
A: It's mathematically precise for fixed-rate loans with fixed payments. For variable rates or changing payments, results are estimates.
Q3: Does this work for credit cards?
A: Yes, as long as you make consistent payments and the interest rate stays the same.
Q4: What's the difference between this and amortization?
A: This gives total months to payoff, while amortization shows payment-by-payment breakdown of principal/interest.
Q5: How can I pay off debt faster?
A: Increase monthly payments, make biweekly payments, or reduce the principal with lump sums.