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Loan Repayment Calculator | Monthly Payment, Total Interest, and Plan Comparison
Calculate monthly payment and total interest for amortized and equal-principal repayment plans. Compare first and last monthly payments quickly.
-Monthly payment (first)
-Total interest
-Total repayment
-Total payments
Repayment comparison
Amortized: - / Equal principal: first - → last -
Interest difference: -
Enter amount, rate, and term to calculate monthly payment and total interest.
Why use this loan calculator?
Before taking a loan, most people want to know three things:
- Monthly payment burden
- Total interest paid over the full term
- Difference between amortized and equal-principal plans
This tool gives all three in one view.
Key features
- Supports amortized and equal-principal repayment
- Shows monthly payment and total interest clearly
- Compares equal-principal first and last monthly payment
- Handles invalid inputs and out-of-range values
How to use
- Enter loan amount, annual rate, and repayment period.
- Run calculation.
- Check monthly payment, total repayment, and total interest.
- Compare repayment methods and pick the plan that fits your cash flow.
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