Calculate the total interest you’ll pay over the life of a loan.
Loan Interest Calculator
Loan Interest Calculator
Estimate how much interest you may pay on a loan and compare different interest types, terms, rates, and extra-payment options.
Loan Interest Snapshot
Adjust the loan amount, interest rate, term, and payment style to estimate monthly payment, total interest, and total repayment cost.
Calculating
Total Interest
$0
Estimated interest paid
Monthly Payment
$0
For amortized loans
Total Repayment
$0
Principal plus interest
Interest Ratio
0%
Interest as share of principal
Loan Details
$250,000
$
6.50%
%
30 years
yrs
Amortized
Amortized loans pay principal and interest over time. Simple interest uses principal × rate × time. Interest-only keeps principal unchanged until payoff.
Payment Options
$0
$
Applied only to amortized loan estimates.
$0
$
End of Month
Beginning-of-month payments slightly reduce interest in the amortized estimate.
7.50%
%
Interest Over Time
Detailed Results
Principal$0
Monthly Payment$0
Total Interest$0
Loan Fees$0
Total Cost Including Fees$0
Estimated Payoff Time0y 0m
Interest Read
Cost Breakdown
Rate Comparison
Lower Rate
Test a lower interest rate to see how much interest could change.
Base Case
Uses the current loan amount, term, and interest assumptions.
Extra Payment
Add extra monthly principal to reduce interest on an amortized loan.
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