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The Minimum-Payment Trap, in Actual Numbers

Finance · 6 min read · Last updated September 2026

Quick answer: A minimum payment (often the greater of a flat amount, a percentage of balance, or interest + 1%) is engineered to keep the debt alive for years. ₹80,000 at 42% APR with a 5%-of-balance minimum takes roughly 3 years and ~₹28,000 in interest — while a fixed ₹6,000/month clears it in ~15 months for ~₹11,000.

How the minimum is calculated

Issuers use one of three patterns: a flat floor (₹200–400), a percentage of balance (2–5%), or interest charged + 1% of principal. Whichever applies, the payment is dominated by interest early on — that is the mechanism. Monthly interest at 42% APR ≈ 3.5%/month: on ₹80,000 that is ₹2,800/month before any principal moves.

Worked example — ₹80,000 balance, 42% APR

Payment strategyTime to zeroTotal interest
Minimum only (5% of balance, floor ₹400)~34 months~₹28,000
Fixed ₹6,000/month~15 months~₹11,000
Fixed ₹8,000/month~11 months~₹7,500

The minimum-payment column shrinks as the balance shrinks — that is the trap: your required payment falls exactly when you could afford to keep it constant. The payoff calculator shows your own numbers; the difference between the rows is not subtle.

The avalanche fix

Order debts by interest rate, pay minimums on everything, and throw every spare rupee at the highest-rate balance — mathematically the cheapest route out. (The snowball method — smallest balance first — costs a bit more interest but wins on motivation; the hybrid is legitimate.) What is not legitimate is the minimum-payment treadmill itself: at high APRs it can stretch a mid-size balance past a decade of payments.

Limitations: minimum-payment formulas vary by issuer and can change; APRs are variable and move with benchmark rates. These figures assume no new spending on the card — adding purchases while paying down resets the math against you.

Try the calculators

Frequently asked questions

How is the minimum payment on a credit card calculated?

Typically the greatest of: a flat floor (₹200–400), a small percentage of the balance (2–5%), or interest plus 1% of principal. Check your card’s terms — the exact formula determines how slowly the balance falls.

What happens if I only pay the minimum?

You stay current (no late fees, no credit-score damage) but principal shrinks slowly, so interest keeps accruing — a mid-size balance at a high APR can take years to clear and cost thousands in interest, as the worked table above shows.

Is it better to pay off one card or pay down all of them?

Pay minimums on all to stay current, then direct extra money to the highest-APR card (avalanche) for the least total interest — or the smallest balance (snowball) if quick wins keep you motivated. Consistency matters more than the starting choice.

Does paying the minimum hurt my credit score?

No — on-time minimum payments keep your payment history clean, which is the biggest score factor. But a high utilization ratio (balance ÷ limit) does drag the score, so paying more than the minimum helps the score too.

About this guide: Written and maintained by CalcProMaster’s developer — an independent site, not a licensed financial advisor or medical professional. Every worked example below was computed by hand and cross-checked with the linked calculator; our editorial policy explains how content is written, tested and corrected.