Calchy.

$21,000 Loan at 3% APR — 4-Year Term

A $21,000 loan at 3% APR over 4 years has a monthly payment of $464.82. Total interest: $1,311.40.

Loan summary — $21,000 at 3% for 4 years
Monthly payment
$464.82
Total interest
$1,311
Total repaid
$22,311
Term
4 yr
48 payments

Computed with the standard fixed-rate amortization formula (monthly compounding). Actual lender offers may include origination fees, points, or insurance — always check your loan estimate for the true APR and monthly cost.

Amortization by Year

YearPrincipal PaidInterest PaidRemaining Balance
1$5,016.45$561.40$15,983.55
2$5,169.03$408.82$10,814.51
3$5,326.25$251.60$5,488.26
4$5,488.26$89.59$0.00

Compare Loan Terms ($21,000 at 3% APR)

TermMonthly PaymentTotal Interest
1 yr$1,778.57/mo$342.81saves $969
2 yr$902.61/mo$662.53saves $649
3 yr$610.71/mo$985.39saves $326
4 yr ◀$464.82/mo$1,311.40current
5 yr$377.34/mo$1,640.55costs $329 more
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FAQ

What is the monthly payment on a $21,000 loan at 3%?
A $21,000 loan at 3% APR for 4 years has a monthly payment of $464.82.
How much interest do I pay on a $21,000 loan at 3%?
Over 4 years you'll pay $1,311.40 in interest. Total repaid: $22,311.40 on a $21,000 loan.
How to pay off a $21,000 loan faster?
Adding $46 extra per month (total $511.30) reduces the term significantly and saves thousands in interest. Even one extra payment per year helps.
What is the payoff amount after 4 years?
After 4 years the remaining balance is approximately $0.00.