Topics › Annuity Loan – Installment
Annuity Loan – Installment
Calculates the initial monthly installment of an annuity loan from the nominal rate and the initial repayment rate.
Type values, assign them with the value keys and press "Solve". It is the same financial calculator as under "Calculator" in the menu above.
Examples for this calculator
Each example is a story with explanation and a "what you learn" takeaway.
Formula
R = D · (p + t) / (100 · m)
How the formula works
R = D·(p+t)/(100·m) is the initial annuity from the nominal rate p plus initial repayment t. The installment stays constant, but its inner makeup shifts: with each payment the interest portion falls and the repayment portion rises – which is why repayment accelerates over time.
Classic annuity formula from the interest rate plus repayment rate.
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