Result window
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Advanced loan calculator
To calculate loan APR where payment is made in daily, quarterly or yearly installments, use the present value of annuity calculator. Select "Solve for Interest rate" and enter the loan amount in the present value field.
Loan APR formula
The calculation is arrived at by successively guessing a interest rate (between 0 and 100) and solving it for "payment amount" in the Amortization formula given below:
Where,
P = principal amount borrowed,
A = periodic payment,
r = interest rate in % divided by 12,
n = total number of months