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Credit Card Payoff Calculator: Months & Interest

Use this credit card payoff calculator to see how long it takes to clear your balance — the total interest and time you'll spend on credit card debt payoff. Compare a fixed monthly payment vs minimum-only.

$
%
$
Months to pay off0
Total interest$0
Total paid$0
Interest as % of balance0%
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How this calculator works

Credit-card math is brutal because the APR is high (22% U.S. average per the Federal Reserve, late 2025) and minimum payments are tiny (~2% of balance). The "fixed payment" path uses the standard amortization formula; the "minimum-only" path simulates month by month, recomputing 2% of the declining balance.

months = −log(1 − r × P / pmt) / log(1 + r)

Real-world example: a $5,000 balance at 22% APR with $200/month payments takes 32 months and costs ~$1,400 in interest. Paying only the 2% minimum on the same balance? 15+ years and over $7,000 in interest — more than the original balance.

Source: Average U.S. credit card APR — Federal Reserve G.19 Consumer Credit release. Minimum-payment guidance — CFPB credit card tools.

FAQ

Why does paying only the minimum take so long?
Because the minimum is a fraction of the balance — typically 2% — but only ~10–20% of that goes to principal in early months; the rest is interest. As the balance falls, the minimum falls with it, slowing payoff to a crawl. The CARD Act of 2009 requires lenders to disclose the 36-month payoff amount on every statement; check yours.
Should I get a balance-transfer card?
If you can pay it off within the 0% APR window (typically 12–21 months), yes — even after a 3–5% transfer fee, you save 15–20 points of interest. If you can't pay it off in the window, the post-promo APR (often 25%+) is brutal. Run the numbers before applying.
How long does it take to pay off a credit card making minimum payments?
Way longer than most people realize. A $5,000 balance at 22% APR with minimum-only payments takes about 22 years to clear and costs $7,000+ in interest — more than the original debt. Doubling the minimum payment cuts it to 7 years and saves nearly $5,000.
Should I pay off credit cards with the snowball or avalanche method?
Snowball: pay off smallest balance first (psychological wins, quick momentum). Avalanche: pay off highest APR first (mathematically optimal — saves the most interest). On 3-card debt, avalanche typically saves $200-$1,000 vs snowball, but snowball has higher completion rates. Pick whichever you will actually finish.
Is a 0% balance transfer worth it?
Almost always yes if you can pay off the balance during the promo period (typically 12-21 months). The 3-5% transfer fee usually beats a single month of regular interest. Watch out for: (1) what the rate jumps to after the promo, (2) whether new purchases also get 0% (usually they do not), (3) late payments can void the promo entirely.
Does paying off a credit card boost my credit score?
Yes, often significantly. Credit utilization (balance ÷ limit) accounts for 30% of your FICO score. Dropping utilization from 80% to 10% can boost your score by 50-100 points within 1-2 billing cycles. The bureaus refresh monthly when the issuer reports your statement balance.
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