Calchy.

How Long to Pay Off $12,000 at 10% APR with $300/Month

Paying $300.00/month on a $12,000 balance at 10% APR takes 4 yrs 1 mo and costs $2,700.00 in interest.

Payoff summary
Months to pay off
49
4 yrs 1 mo
Total interest
$2,700
Total paid
$14,700
1st month interest
$100.00

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 ~$240.00/month (minimum), payoff takes 5 yrs 5 mo with $3,600.00 in interest — $900.00 more than your $300/month plan.

Payment Schedule (First 6 Months)

MonthPaymentPrincipalInterestBalance
1$300.00$200.00$100.00$11,800.00
2$300.00$201.67$98.33$11,598.33
3$300.00$203.35$96.65$11,394.99
4$300.00$205.04$94.96$11,189.94
5$300.00$206.75$93.25$10,983.19
6$300.00$208.47$91.53$10,774.72

Showing first 6 of 49 payments. Use the full calculator →

Compare Payment Amounts ($12,000 at 10% APR)

Monthly PaymentPayoff TimeTotal Interest
$150.00/mo11 yrs 1 mo (133 mo)$7,950.00costs $5,250 more
$200.00/mo7 yrs (84 mo)$4,800.00costs $2,100 more
$250.00/mo5 yrs 2 mo (62 mo)$3,500.00costs $800 more
$300.00/mo ◀4 yrs 1 mo (49 mo)$2,700.00current
$400.00/mo2 yrs 11 mo (35 mo)$2,000.00saves $700
$500.00/mo2 yrs 3 mo (27 mo)$1,500.00saves $1,200
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FAQ

How long to pay off $12,000 at 10% APR paying $300/month?
At $300.00/month on a $12,000 balance at 10% APR, payoff takes 4 years and 1 month (49 payments). Total interest paid: $2,700.00.
How much interest will I pay on $12,000 at 10%?
With a $300/month payment you'll pay $2,700.00 in interest over 49 months. Total out-of-pocket: $14,700.00.
What happens if I pay the minimum on $12,000 at 10%?
At the minimum payment (~$240.00/month), payoff takes 5 years and 5 months with $3,600.00 in interest — $900.00 more than paying $300/month.
How do I pay off $12,000 faster?
Every extra dollar reduces both the balance and future interest. Adding $75 more per month (total $375) would cut roughly 10 months off your payoff time.