Calchy.

How Long to Pay Off $3,000 at 20% APR with $100/Month

Paying $100.00/month on a $3,000 balance at 20% APR takes 3 yrs 6 mo and costs $1,200.00 in interest.

Payoff summary
Months to pay off
42
3 yrs 6 mo
Total interest
$1,200
Total paid
$4,200
1st month interest
$50.00

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 ~$60.00/month (minimum), payoff takes 9 yrs 1 mo with $3,540.00 in interest — $2,340.00 more than your $100/month plan.

Payment Schedule (First 6 Months)

MonthPaymentPrincipalInterestBalance
1$100.00$50.00$50.00$2,950.00
2$100.00$50.83$49.17$2,899.17
3$100.00$51.68$48.32$2,847.49
4$100.00$52.54$47.46$2,794.94
5$100.00$53.42$46.58$2,741.53
6$100.00$54.31$45.69$2,687.22

Showing first 6 of 42 payments. Use the full calculator →

Compare Payment Amounts ($3,000 at 20% APR)

Monthly PaymentPayoff TimeTotal Interest
$100.00/mo ◀3 yrs 6 mo (42 mo)$1,200.00current
$150.00/mo2 yrs 1 mo (25 mo)$750.00saves $450
$200.00/mo1 yr 6 mo (18 mo)$600.00saves $600
$250.00/mo1 yr 2 mo (14 mo)$500.00saves $700
$300.00/mo1 yr (12 mo)$600.00saves $600
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FAQ

How long to pay off $3,000 at 20% APR paying $100/month?
At $100.00/month on a $3,000 balance at 20% APR, payoff takes 3 years and 6 months (42 payments). Total interest paid: $1,200.00.
How much interest will I pay on $3,000 at 20%?
With a $100/month payment you'll pay $1,200.00 in interest over 42 months. Total out-of-pocket: $4,200.00.
What happens if I pay the minimum on $3,000 at 20%?
At the minimum payment (~$60.00/month), payoff takes 9 years and 1 month with $3,540.00 in interest — $2,340.00 more than paying $100/month.
How do I pay off $3,000 faster?
Every extra dollar reduces both the balance and future interest. Adding $25 more per month (total $125) would cut roughly 8 months off your payoff time.