Minimum Payment Calculator

See how long it takes to pay off a balance making only minimum payments and how much interest you will pay.

Results

Visualization

How It Works

The Minimum Payment Calculator shows you how long it will take to pay off a credit card or loan balance if you only make the minimum required payment each month, and calculates the total interest you'll pay over that time. Understanding this is crucial because minimum payments are designed by creditors to keep you in debt longer—paying only minimums on a large balance can cost you thousands in unnecessary interest. This tool is designed for both quick estimates and detailed planning scenarios. Results update instantly as you adjust inputs, making it easy to compare different approaches and understand how each variable affects the outcome. For best accuracy, use precise measurements rather than rough estimates, and consider running multiple scenarios to establish a realistic range of expected results.

The Formula

Each month, remaining balance decreases by minimum payment amount. New balance = Previous balance + (Previous balance × APR/12) - Minimum payment. This repeats until balance reaches zero. Total interest = Total amount paid - Original balance.

Variables

  • Current Balance — The total amount you currently owe on the credit card or loan, measured in dollars
  • APR — Annual Percentage Rate — the yearly interest rate charged on your outstanding balance, expressed as a percentage
  • Minimum Payment % — The percentage of your current balance that you're required to pay each month (typically 1-3% for credit cards)
  • Minimum Payment Floor — The lowest dollar amount you must pay even if the percentage calculation results in a smaller number (typically $25-$35)

Worked Example

Let's say you have a $5,000 credit card balance with a 22% APR and a minimum payment of 2% of your balance with a $25 floor. Your first minimum payment would be the greater of $100 (2% of $5,000) or $25, so $100. After you pay this, the remaining balance is $5,000 - $100 + interest accrued that month. This process repeats monthly, with your minimum payment shrinking as the balance decreases (since it's 2% of the remaining balance), but interest continuing to compound. The calculator reveals that paying only minimums would take approximately 247 months (over 20 years) to pay off and cost you roughly $7,150 in interest alone—meaning you'd pay $12,150 total on a $5,000 purchase.

Practical Tips

  • Always pay more than the minimum if possible. Even adding an extra $25-50 per month can reduce payoff time by years and save thousands in interest. Use this calculator to see the impact of different payment amounts.
  • Watch out for the 'interest trap'—the first part of your minimum payment covers interest, not principal. On a high-balance, high-APR card, almost nothing goes toward paying down what you actually borrowed.
  • Credit card companies intentionally set minimum payments low to maximize their interest income. Your card issuer makes money when you pay slowly, so don't rely on their suggestion for how fast to pay.
  • If you have multiple debts, consider the avalanche method: pay minimums on everything, then attack the highest-APR debt with extra payments. This calculator helps you see why that high-interest card is costing you the most.
  • Use balance transfer offers strategically. If you can transfer a balance to a 0% APR promotional card and pay it off during the promotional period, you skip the interest entirely. Compare that scenario using this calculator.
  • Set up automatic payments above the minimum to avoid the temptation to pay only the minimum. Even $150/month instead of $100 dramatically changes your payoff timeline and total cost.

Frequently Asked Questions

Why does my credit card company only require a minimum payment if it takes so long to pay off?

Credit card companies profit from interest charges. Minimum payments are intentionally designed to be low enough that most people accept them, ensuring the debt persists for years and generates maximum interest income for the lender. The company legally must set a minimum that eventually pays off the debt, but they set it at the lowest permissible level. This is why your payment agreement specifies that minimums can take decades to eliminate the debt.

How is the minimum payment calculated on credit cards?

Most credit cards calculate the minimum payment as the greater of two amounts: a percentage of your current balance (typically 1-3%) plus any fees and interest owed, or a fixed floor amount (usually $25-35). So if you owe $2,000 at 2% minimum, your minimum would be $40, unless there's a $25 floor—in that case, $40 applies. As your balance drops, so does the percentage-based calculation, eventually approaching just the interest and fees.

Can I pay off my debt faster by paying a larger percentage as my minimum?

No—the 'Minimum Payment %' field is what your creditor requires, not what you choose to pay. However, you can absolutely pay more than the minimum, and most creditors allow you to pay any amount above the required minimum without penalty. This calculator helps you model how much faster you'd pay off the debt if you voluntarily pay $200/month instead of the $100 minimum, for example.

What's the difference between paying minimums and paying just the principal with interest?

With minimum payments, your payment amount changes each month because it's calculated as a percentage of your decreasing balance. Paying 'just interest plus principal' would mean splitting your payment into two parts: the interest charge for that month (unavoidable) and any extra you choose to put toward principal (which you control). Minimum payments blend these together but are structured to keep you paying longer.

If I pay only minimums, am I building credit or hurting it?

Paying the minimum on time will help your credit score (it shows you're meeting obligations), but it won't help you build equity in the debt. However, if you can only afford minimums, missing them would severely damage your credit. The better strategy is to pay above minimums when possible so you actually reduce the principal and demonstrate financial improvement to lenders.

Sources

  • Consumer Financial Protection Bureau (CFPB): Credit Cards
  • Federal Reserve: Understanding Credit Card Interest Rates and Fees
  • Federal Trade Commission (FTC): Borrowing Money - Credit Cards
  • Investopedia: Minimum Payment
  • NerdWallet: How Credit Card Interest Works

Last updated: April 02, 2026 · Reviewed by the CalcSuite Editorial Team · About our methodology

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