The most common question people have about their credit card is simple: how much interest am I paying every month? The answer depends on two numbers — your current balance and your APR. This page gives you the answer instantly for every common balance and rate combination without needing a calculator.
Find your approximate balance in the left column and your APR across the top. The intersection is your monthly interest charge.
| Balance | 15% APR | 18% APR | 21% APR | 24% APR | 27% APR | 29.99% APR |
|---|---|---|---|---|---|---|
| $1,000 | $13 | $15 | $18 | $20 | $23 | $25 |
| $2,000 | $25 | $30 | $35 | $40 | $45 | $50 |
| $3,000 | $38 | $45 | $53 | $60 | $68 | $75 |
| $4,000 | $50 | $60 | $70 | $80 | $90 | $100 |
| $5,000 | $63 | $75 | $88 | $100 | $113 | $125 |
| $6,000 | $75 | $90 | $105 | $120 | $135 | $150 |
| $7,000 | $88 | $105 | $123 | $140 | $158 | $175 |
| $8,000 | $100 | $120 | $140 | $160 | $180 | $200 |
| $10,000 | $125 | $150 | $175 | $200 | $225 | $250 |
| $12,000 | $150 | $180 | $210 | $240 | $270 | $300 |
| $15,000 | $188 | $225 | $263 | $300 | $338 | $375 |
| $20,000 | $250 | $300 | $350 | $400 | $450 | $500 |
| $25,000 | $313 | $375 | $438 | $500 | $563 | $625 |
That number you just found is the amount leaving your account every month that does not reduce your balance by a single dollar. It is the pure cost of carrying your debt for one more month. For exact figures based on your specific balance and APR, use our credit card interest calculator.
You can calculate your monthly interest with one formula:
Monthly Interest = Balance × APR ÷ 12
Examples:
This formula gives you a close estimate. Your actual charge may be slightly higher because credit cards use daily compounding which adds 2 to 5 percent more than this simple calculation predicts. For more on how compounding affects your interest, read our compound interest guide.
| Monthly Interest Amount | What That Money Could Buy Instead |
|---|---|
| $50/month | A gym membership or 3 streaming services |
| $100/month | A week of groceries or a phone bill |
| $150/month | Car insurance or a monthly utility bill |
| $200/month | A car payment or half a month of groceries |
| $300/month | A flight, a weekend trip, or a monthly student loan payment |
| $500/month | A month of rent in many U.S. markets or a retirement contribution |
Every dollar in that monthly interest charge is money that produces zero value for your life. It does not buy you anything. It does not build savings. It does not reduce your debt. It simply pays the cost of owing money for one more month.
Three levers reduce what you pay each month. Each one works independently and they are most powerful combined.
Lever 1 — Pay down the balance. Lower balance means less interest. Paying $1,000 off a $5,000 balance at 24 percent APR reduces monthly interest from $100 to $80 — an immediate $20 per month saving that recurs every month going forward.
Lever 2 — Lower your APR. Call your issuer and ask for a rate reduction. Transfer to a 0 percent card. Consolidate with a lower-rate loan. A 5-point APR reduction on $8,000 saves approximately $33 per month. To understand your APR options, see our APR guide.
Lever 3 — Pay earlier in the cycle. Because interest compounds daily, paying on Day 1 of your billing cycle instead of Day 28 reduces your average daily balance and lowers the monthly charge by $5 to $15 depending on your balance and payment size.
To build a complete payoff plan that reduces your monthly interest to zero, use our payoff calculator. To see how long your debt will last at your current payment level, calculate your debt-free date here.
How much interest do you pay per month on a credit card?
It depends on your balance and APR. At 22 percent APR, a $3,000 balance costs $55 per month, a $5,000 balance costs $92, a $10,000 balance costs $183, and a $15,000 balance costs $275. The quick formula is balance times APR divided by 12. Monthly interest only applies when you carry a balance past the due date. Paying in full each month means zero interest regardless of APR.
How is credit card interest per month calculated?
Your issuer divides your APR by 365 to get a daily periodic rate, multiplies it by your average daily balance, then multiplies by the number of days in the billing cycle. A simplified estimate is balance times APR divided by 12. For example, $8,000 at 24 percent APR equals $160 per month. The actual charge is slightly higher due to daily compounding which adds 2 to 5 percent more than the simplified formula predicts.
Why does my credit card charge so much interest per month?
Credit card APRs range from 18 to 29 percent, which is the highest rate among common consumer loan products. The rates are high because credit card debt is unsecured — there is no collateral for the lender to seize if you default. Combined with daily compounding, even moderate balances of $5,000 to $10,000 generate $90 to $200 or more per month in interest charges.
Can I reduce my monthly credit card interest?
Yes, through three methods. Pay down your balance since lower balances generate proportionally less interest. Reduce your APR by negotiating with your issuer, transferring to a 0 percent promotional card, or consolidating into a personal loan at 8 to 15 percent. Pay earlier in your billing cycle to reduce the average daily balance used in the interest calculation.
Do I pay interest every month on a credit card?
Only if you carry a balance past the payment due date. If you pay your full statement balance by the due date every month, you benefit from the grace period and pay zero interest regardless of your APR. Interest charges begin only when a balance is carried forward from one billing cycle to the next. Once you start carrying a balance, interest accrues daily until the balance is fully paid off.