Monthly Payment Formula:
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This calculator determines the fixed monthly payment needed to pay off credit card debt used for auto loan purchases within a specified timeframe, accounting for compound interest.
The calculator uses the standard credit card payment formula:
Where:
Explanation: The formula calculates the fixed payment needed to amortize the debt over N months, accounting for compound interest.
Details: Understanding your required monthly payment helps budget for auto purchases made with credit cards and shows the true cost of financing this way.
Tips: Enter your current credit card balance, APR (from your statement), and desired payoff timeframe. All values must be positive numbers.
Q1: Why use this instead of dealer financing?
A: This shows the cost of using credit cards versus traditional auto loans, which often have lower rates.
Q2: What's a reasonable payoff timeframe?
A: Auto loans typically range 36-72 months. Credit card debt should ideally be paid faster due to higher rates.
Q3: How does APR affect payments?
A: Higher APRs dramatically increase required payments. A 20% APR nearly doubles payments versus 10% APR.
Q4: Are there limitations to this calculation?
A: Assumes fixed rate, no additional charges, and consistent payments. Minimum payments may differ.
Q5: Should I use credit cards for auto purchases?
A: Generally not recommended due to high interest rates, unless you can pay in full during the grace period.