Loan Calculator - Free Online Tool | Shining Toolbox
Calculate monthly loan payments, total interest, and amortization schedule. Compare flat vs effective interest rates.
Loan Installment Calculator
Calculate monthly payments with flat or effective interest
Monthly Payment
$0.00
Total Payment
$0.00
Total Interest
$0.00
Effective Interest
Interest is calculated on the remaining balance. More accurate and typically results in lower total interest.
About Loan Calculator
How to Use the Loan Calculator
- Enter your loan amount (principal)
- Input the annual interest rate
- Select the loan term in months
- Choose between flat or effective interest
- View your monthly payment and total interest
Understanding Loan Calculations
The calculator uses the standard amortization formula for effective rate loans:
- Monthly Payment = P × (r × (1+r)^n) / ((1+r)^n - 1)
- Where P = principal, r = monthly rate, n = number of months
Use Cases
- Personal Loans: Calculate payments for any personal financing
- Vehicle Loans: Compare car financing options
- Business Loans: Plan your business financing needs
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