Calchy.

How Long to Pay Off $2,000 at 15% APR with $400/Month

Paying $400.00/month on a $2,000 balance at 15% APR takes 6 mo and costs $400.00 in interest.

Payoff summary
Months to pay off
6
6 mo
Total interest
$400
Total paid
$2,400
1st month interest
$25.00

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 ~$40.00/month (minimum), payoff takes 6 yrs 7 mo with $1,160.00 in interest — $760.00 more than your $400/month plan.

Payment Schedule (First 6 Months)

MonthPaymentPrincipalInterestBalance
1$400.00$375.00$25.00$1,625.00
2$400.00$379.69$20.31$1,245.31
3$400.00$384.43$15.57$860.88
4$400.00$389.24$10.76$471.64
5$400.00$394.10$5.90$77.54
6$400.00$77.54$0.97$0.00

Compare Payment Amounts ($2,000 at 15% APR)

Monthly PaymentPayoff TimeTotal Interest
$50.00/mo4 yrs 8 mo (56 mo)$800.00costs $400 more
$100.00/mo2 yrs (24 mo)$400.00costs $0 more
$150.00/mo1 yr 3 mo (15 mo)$250.00costs $-150 more
$200.00/mo11 mo (11 mo)$200.00costs $-200 more
$250.00/mo9 mo (9 mo)$250.00costs $-150 more
$300.00/mo8 mo (8 mo)$400.00costs $0 more
$400.00/mo ◀6 mo (6 mo)$400.00current
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FAQ

How long to pay off $2,000 at 15% APR paying $400/month?
At $400.00/month on a $2,000 balance at 15% APR, payoff takes 6 months (6 payments). Total interest paid: $400.00.
How much interest will I pay on $2,000 at 15%?
With a $400/month payment you'll pay $400.00 in interest over 6 months. Total out-of-pocket: $2,400.00.
What happens if I pay the minimum on $2,000 at 15%?
At the minimum payment (~$40.00/month), payoff takes 6 years and 7 months with $1,160.00 in interest — $760.00 more than paying $400/month.
How do I pay off $2,000 faster?
Every extra dollar reduces both the balance and future interest. Adding $100 more per month (total $500) would cut roughly 1 months off your payoff time.