Calchy.

How Long to Pay Off $21,000 at 5% APR with $250/Month

Paying $250.00/month on a $21,000 balance at 5% APR takes 8 yrs 8 mo and costs $5,000.00 in interest.

Payoff summary
Months to pay off
104
8 yrs 8 mo
Total interest
$5,000
Total paid
$26,000
1st month interest
$87.50

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 ~$420.00/month (minimum), payoff takes 4 yrs 9 mo with $2,940.00 in interest — $-2,060.00 more than your $250/month plan.

Payment Schedule (First 6 Months)

MonthPaymentPrincipalInterestBalance
1$250.00$162.50$87.50$20,837.50
2$250.00$163.18$86.82$20,674.32
3$250.00$163.86$86.14$20,510.47
4$250.00$164.54$85.46$20,345.93
5$250.00$165.23$84.77$20,180.70
6$250.00$165.91$84.09$20,014.79

Showing first 6 of 104 payments. Use the full calculator →

Compare Payment Amounts ($21,000 at 5% APR)

Monthly PaymentPayoff TimeTotal Interest
$100.00/mo41 yrs 9 mo (501 mo)$29,100.00costs $24,100 more
$150.00/mo17 yrs 7 mo (211 mo)$10,650.00costs $5,650 more
$200.00/mo11 yrs 7 mo (139 mo)$6,800.00costs $1,800 more
$250.00/mo ◀8 yrs 8 mo (104 mo)$5,000.00current
$300.00/mo6 yrs 11 mo (83 mo)$3,900.00saves $1,100
$400.00/mo5 yrs (60 mo)$3,000.00saves $2,000
$500.00/mo3 yrs 11 mo (47 mo)$2,500.00saves $2,500
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FAQ

How long to pay off $21,000 at 5% APR paying $250/month?
At $250.00/month on a $21,000 balance at 5% APR, payoff takes 8 years and 8 months (104 payments). Total interest paid: $5,000.00.
How much interest will I pay on $21,000 at 5%?
With a $250/month payment you'll pay $5,000.00 in interest over 104 months. Total out-of-pocket: $26,000.00.
What happens if I pay the minimum on $21,000 at 5%?
At the minimum payment (~$420.00/month), payoff takes 4 years and 9 months with $2,940.00 in interest — $-2,060.00 more than paying $250/month.
How do I pay off $21,000 faster?
Every extra dollar reduces both the balance and future interest. Adding $63 more per month (total $313) would cut roughly 21 months off your payoff time.