How Long to Pay Off $1,000 at 15% APR with $100/Month
Paying $100.00/month on a $1,000 balance at 15% APR takes 11 mo and costs $100.00 in interest.
Payoff summary
Months to pay off
11
11 mo
Total interest
$100
Total paid
$1,100
1st month interest
$12.50
Computed using the standard amortization formula (monthly compounding at APR/12). Assumes fixed payment with no new charges — real card statements may vary based on billing date, grace period, and fees.
Minimum payment warning: At ~$25.00/month (minimum), payoff takes 4 yrs 8 mo with $400.00 in interest — $300.00 more than your $100/month plan.
Payment Schedule (First 6 Months)
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $100.00 | $87.50 | $12.50 | $912.50 |
| 2 | $100.00 | $88.59 | $11.41 | $823.91 |
| 3 | $100.00 | $89.70 | $10.30 | $734.21 |
| 4 | $100.00 | $90.82 | $9.18 | $643.38 |
| 5 | $100.00 | $91.96 | $8.04 | $551.42 |
| 6 | $100.00 | $93.11 | $6.89 | $458.32 |
Showing first 6 of 11 payments. Use the full calculator →
Compare Payment Amounts ($1,000 at 15% APR)
| Monthly Payment | Payoff Time | Total Interest | |
|---|---|---|---|
| $50.00/mo | 2 yrs (24 mo) | $200.00 | costs $100 more |
| $100.00/mo ◀ | 11 mo (11 mo) | $100.00 | current |
| $150.00/mo | 8 mo (8 mo) | $200.00 | saves $-100 |
| $200.00/mo | 6 mo (6 mo) | $200.00 | saves $-100 |
| $250.00/mo | 5 mo (5 mo) | $250.00 | saves $-150 |
| $300.00/mo | 4 mo (4 mo) | $200.00 | saves $-100 |
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FAQ
- How long to pay off $1,000 at 15% APR paying $100/month?
- At $100.00/month on a $1,000 balance at 15% APR, payoff takes 11 months (11 payments). Total interest paid: $100.00.
- How much interest will I pay on $1,000 at 15%?
- With a $100/month payment you'll pay $100.00 in interest over 11 months. Total out-of-pocket: $1,100.00.
- What happens if I pay the minimum on $1,000 at 15%?
- At the minimum payment (~$25.00/month), payoff takes 4 years and 8 months with $400.00 in interest — $300.00 more than paying $100/month.
- How do I pay off $1,000 faster?
- Every extra dollar reduces both the balance and future interest. Adding $25 more per month (total $125) would cut roughly 2 months off your payoff time.