You paid the amount requested last month, so you send the same amount again. This time it is short. A credit card’s minimum payment is usually calculated for a particular statement, rather than promised as a fixed monthly instalment.
The balance, interest, fees, overdue amounts and the agreement’s calculation can all matter. The exact formula belongs in your issuer’s terms. Do not borrow a percentage from another card and assume it applies to yours.
Put the two statements beside each other
Compare the statement dates first. Then locate the previous balance, payments received, new transactions, interest, fees and current minimum. A payment sent near the statement boundary might appear in a different period than you expected.
For a simple fictional example, imagine a card whose terms calculate part of the minimum from the balance. A larger balance could increase that component even if you have made a payment. This example describes a mechanism, not a formula to use for your account.
Check the due date separately from the amount. A saved bank transfer for a fixed sum may not track either a changed minimum or a changed schedule. Review the payment arrangement before assuming it will cover the statement.
The minimum and the repayment plan are different numbers
The US Consumer Financial Protection Bureau explains the repayment estimate on card statements, including its assumption that no new purchases are added. The minimum required now is not a forecast of how quickly your actual borrowing will disappear.
If the calculation remains unclear, ask the issuer to explain the components for the specific statement. If you cannot afford the required amount, contact it promptly about available support rather than silently repeating an old payment. Keep the explanation with the statement so next month’s comparison begins with the right rule.