Mortgage / Loan Calculator
Compare equal-installment vs equal-principal loans: monthly payment, total interest and total repayment from principal/annual rate/term.
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How to use
- Fill "Loan principal", "Annual rate (%)" and "Term (years)"; results show live.
- Both equal-installment and equal-principal plans show monthly payment, total interest and total.
- Enter the annual rate as a percent (e.g. 4.9); the tool derives the monthly rate.
- Tip: equal principal has higher early payments but less total interest.
FAQ
Equal installment vs equal principal?
Equal installment has a fixed monthly payment; equal principal has fixed principal with decreasing interest, higher early payments but less total interest.
Annual or monthly rate?
Enter the annual rate (e.g. 4.9). The tool divides by 12 to get the monthly rate for calculation.