Calchy.

How Long to Pay Off $1,000 at 25% APR with $400/Month

Paying $400.00/month on a $1,000 balance at 25% APR takes 3 mo and costs $200.00 in interest.

Payoff summary
Months to pay off
3
3 mo
Total interest
$200
Total paid
$1,200
1st month interest
$20.83

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 7 yrs 3 mo with $1,175.00 in interest — $975.00 more than your $400/month plan.

Payment Schedule (First 3 Months)

MonthPaymentPrincipalInterestBalance
1$400.00$379.17$20.83$620.83
2$400.00$387.07$12.93$233.77
3$400.00$233.77$4.87$0.00

Compare Payment Amounts ($1,000 at 25% APR)

Monthly PaymentPayoff TimeTotal Interest
$50.00/mo2 yrs 3 mo (27 mo)$350.00costs $150 more
$100.00/mo1 yr (12 mo)$200.00costs $0 more
$150.00/mo8 mo (8 mo)$200.00costs $0 more
$200.00/mo6 mo (6 mo)$200.00costs $0 more
$250.00/mo5 mo (5 mo)$250.00costs $50 more
$300.00/mo4 mo (4 mo)$200.00costs $0 more
$400.00/mo ◀3 mo (3 mo)$200.00current
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FAQ

How long to pay off $1,000 at 25% APR paying $400/month?
At $400.00/month on a $1,000 balance at 25% APR, payoff takes 3 months (3 payments). Total interest paid: $200.00.
How much interest will I pay on $1,000 at 25%?
With a $400/month payment you'll pay $200.00 in interest over 3 months. Total out-of-pocket: $1,200.00.
What happens if I pay the minimum on $1,000 at 25%?
At the minimum payment (~$25.00/month), payoff takes 7 years and 3 months with $1,175.00 in interest — $975.00 more than paying $400/month.
How do I pay off $1,000 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.