THE IDEA BEHIND THE ANSWER
A formula you can follow.
payment = P × i ÷ (1 − (1 + i)^−N)
Assumes equal monthly payments and a fixed rate. Terms must equal a whole number of months, up to 100 years. Fees and early repayments are excluded.
MONEY & PLANNING / ONE CLEAR STEP AT A TIME
Estimate the fixed monthly payment and total interest on a loan.
Start with the example below, or enter your values.
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Enter your numbers and we’ll work through the calculation together.
YOUR RESULT
THE IDEA BEHIND THE ANSWER
payment = P × i ÷ (1 − (1 + i)^−N)
Assumes equal monthly payments and a fixed rate. Terms must equal a whole number of months, up to 100 years. Fees and early repayments are excluded.
GOOD TO KNOW
Enter loan principal, annual interest rate (%), loan term (years). Choose any available mode, then select Calculate. The example numbers are a starting point you can change.
A message explains what to change. Previous results are cleared when you edit an input, so the answer always matches the values you calculated.
No. These tools calculate locally in your browser, without an account. Displayed numeric results are rounded; these tools do not provide arbitrary-precision arithmetic.