Monthly Payment on a $4,000 Loan at 18% APR for 12 Months
A $4,000 loan at 18% APR repaid over 12 months has a monthly payment of $366.72. Over the full 12 months (1 year) term you'd pay $400.64 in total interest, bringing the total cost of the loan to $4,400.64. A 18% APR is typical for borrowers with fair credit (630–689). Adjust the figures in the calculator below to see how a different rate, amount, or term changes your payment.
Monthly Payment
$366.72
at 18% APR
Total Interest
$400.64
over 12 months
Total Cost
$4,400.64
principal + interest
Loan Summary
$4,000 · 18% APR · 12 months
| Loan amount | $4,000 |
| Interest rate (APR) | 18% |
| Term | 12 months (1 year) |
| Monthly payment | $366.72 |
| Total interest paid | $400.64 |
| Total cost of loan | $4,400.64 |
Loan Calculator
Monthly Payment
$366.72
Total Paid
$4,400.64
Total Interest
$400.64
$4,000 at 18% APR · 12-Month Loan FAQs
What is the monthly payment on a $4,000 loan at 18% APR for 12 months?
The monthly payment on a $4,000 loan at 18% APR over 12 months is $366.72. This is calculated with the standard amortization formula and assumes equal fixed payments for the full term.
How much total interest will I pay on this $4,000 loan?
At 18% APR over 12 months, you'll pay $400.64 in total interest on a $4,000 loan. Combined with the $4,000 you borrowed, the total amount repaid is $4,400.64.
Is 18% a good APR for a personal loan?
A 18% APR is generally available to borrowers with fair credit (630–689). This is a mid-range rate — improving your credit score or adding a co-signer could help you qualify for a lower one.
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