Calchy.

How Long to Pay Off $1,000 at 15% APR with $500/Month

Paying $500.00/month on a $1,000 balance at 15% APR takes 3 mo and costs $500.00 in interest.

Payoff summary
Months to pay off
3
3 mo
Total interest
$500
Total paid
$1,500
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 — $-100.00 more than your $500/month plan.

Payment Schedule (First 3 Months)

MonthPaymentPrincipalInterestBalance
1$500.00$487.50$12.50$512.50
2$500.00$493.59$6.41$18.91
3$500.00$18.91$0.24$0.00

Compare Payment Amounts ($1,000 at 15% APR)

Monthly PaymentPayoff TimeTotal Interest
$50.00/mo2 yrs (24 mo)$200.00costs $-300 more
$100.00/mo11 mo (11 mo)$100.00costs $-400 more
$150.00/mo8 mo (8 mo)$200.00costs $-300 more
$200.00/mo6 mo (6 mo)$200.00costs $-300 more
$250.00/mo5 mo (5 mo)$250.00costs $-250 more
$300.00/mo4 mo (4 mo)$200.00costs $-300 more
$500.00/mo ◀3 mo (3 mo)$500.00current
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FAQ

How long to pay off $1,000 at 15% APR paying $500/month?
At $500.00/month on a $1,000 balance at 15% APR, payoff takes 3 months (3 payments). Total interest paid: $500.00.
How much interest will I pay on $1,000 at 15%?
With a $500/month payment you'll pay $500.00 in interest over 3 months. Total out-of-pocket: $1,500.00.
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 — $-100.00 more than paying $500/month.
How do I pay off $1,000 faster?
Every extra dollar reduces both the balance and future interest. Adding $125 more per month (total $625) would cut roughly 1 months off your payoff time.