Lump Sum Monthly Repayment Calculator

Calculate Monthly Repayments for Lump Sum Loan

Input Fields

Principal Amount

P

$

Enter the amount of the loan or principal

Annual Interest Rate

r

%

Enter the annual interest rate

Loan Term (Months)

n

Enter the loan term in months

CalculateReset

Calculate automaticallyIf enabled, the result will update automatically when you change any value.

Your Results

Monthly Repayment

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Lump Sum Monthly Repayment Formula

$$PMT = \frac{P \times r}{1 – (1 + r)^{-n}}$$

Where:

• $$PMT$$ – Monthly Repayment
• $$P$$ – Principal or Lump Sum Amount
• $$r$$ – Monthly interest rate (annual rate ÷ 12)
• $$n$$ – Number of months in the repayment period

This formula calculates the fixed monthly payment for a loan based on the lump sum principal and interest rate over a specific term.

The Lump Sum Monthly Repayment Calculator is ideal for loans, mortgages, or investments where a large sum of money is borrowed or invested, and you need to repay it in equal monthly installments. It is particularly useful for borrowers who need to plan their repayment schedule or assess the impact of interest on their lump sum loan or investment.