How Long to Pay Off $18,000 at 10% APR with $500/Month
Paying $500.00/month on a $18,000 balance at 10% APR takes 3 yrs 7 mo and costs $3,500.00 in interest.
Payoff summary
Months to pay off
43
3 yrs 7 mo
Total interest
$3,500
Total paid
$21,500
1st month interest
$150.00
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 ~$360.00/month (minimum), payoff takes 5 yrs 5 mo with $5,400.00 in interest — $1,900.00 more than your $500/month plan.
Payment Schedule (First 6 Months)
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $500.00 | $350.00 | $150.00 | $17,650.00 |
| 2 | $500.00 | $352.92 | $147.08 | $17,297.08 |
| 3 | $500.00 | $355.86 | $144.14 | $16,941.23 |
| 4 | $500.00 | $358.82 | $141.18 | $16,582.40 |
| 5 | $500.00 | $361.81 | $138.19 | $16,220.59 |
| 6 | $500.00 | $364.83 | $135.17 | $15,855.76 |
Showing first 6 of 43 payments. Use the full calculator →
Compare Payment Amounts ($18,000 at 10% APR)
| Monthly Payment | Payoff Time | Total Interest | |
|---|---|---|---|
| $200.00/mo | 14 yrs (168 mo) | $15,600.00 | costs $12,100 more |
| $250.00/mo | 9 yrs 3 mo (111 mo) | $9,750.00 | costs $6,250 more |
| $300.00/mo | 7 yrs (84 mo) | $7,200.00 | costs $3,700 more |
| $400.00/mo | 4 yrs 9 mo (57 mo) | $4,800.00 | costs $1,300 more |
| $500.00/mo ◀ | 3 yrs 7 mo (43 mo) | $3,500.00 | current |
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FAQ
- How long to pay off $18,000 at 10% APR paying $500/month?
- At $500.00/month on a $18,000 balance at 10% APR, payoff takes 3 years and 7 months (43 payments). Total interest paid: $3,500.00.
- How much interest will I pay on $18,000 at 10%?
- With a $500/month payment you'll pay $3,500.00 in interest over 43 months. Total out-of-pocket: $21,500.00.
- What happens if I pay the minimum on $18,000 at 10%?
- At the minimum payment (~$360.00/month), payoff takes 5 years and 5 months with $5,400.00 in interest — $1,900.00 more than paying $500/month.
- How do I pay off $18,000 faster?
- Every extra dollar reduces both the balance and future interest. Adding $125 more per month (total $625) would cut roughly 9 months off your payoff time.