Monthly Payment on a $100,000 Loan at 5% APR for 18 Months
A $100,000 loan at 5% APR repaid over 18 months has a monthly payment of $5,778.05. Over the full 18 months (1.5 years) term you'd pay $4,004.96 in total interest, bringing the total cost of the loan to $104,004.96. A 5% APR is typical for borrowers with excellent credit (760+). Adjust the figures in the calculator below to see how a different rate, amount, or term changes your payment.
Monthly Payment
$5,778.05
at 5% APR
Total Interest
$4,004.96
over 18 months
Total Cost
$104,004.96
principal + interest
Loan Summary
$100,000 · 5% APR · 18 months
| Loan amount | $100,000 |
| Interest rate (APR) | 5% |
| Term | 18 months (1.5 years) |
| Monthly payment | $5,778.05 |
| Total interest paid | $4,004.96 |
| Total cost of loan | $104,004.96 |
Loan Calculator
Monthly Payment
$5,778.05
Total Paid
$104,004.96
Total Interest
$4,004.96
$100,000 at 5% APR · 18-Month Loan FAQs
What is the monthly payment on a $100,000 loan at 5% APR for 18 months?
The monthly payment on a $100,000 loan at 5% APR over 18 months is $5,778.05. 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 $100,000 loan?
At 5% APR over 18 months, you'll pay $4,004.96 in total interest on a $100,000 loan. Combined with the $100,000 you borrowed, the total amount repaid is $104,004.96.
Is 5% a good APR for a personal loan?
A 5% APR is generally available to borrowers with excellent credit (760+). This is among the lower rates lenders offer and reflects strong creditworthiness.
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