Question 1

How is my monthly loan payment calculated?

Accepted Answer

The calculator uses the standard amortising loan formula: M = P × r ÷ (1 − (1 + r)^−n), where P is the loan amount, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of monthly payments. Each month, interest accrues on the outstanding balance first; the remainder of your payment reduces the principal. Because the balance falls each month, the interest portion of each payment shrinks over time while the principal portion grows — this is called amortisation.

Question 2

What is a good interest rate for a personal loan?

Accepted Answer

A commonly cited benchmark: rates below 10% are considered competitive for borrowers with strong credit; 10–15% is average for good-to-fair credit; rates above 20% are typically associated with weaker credit profiles or higher-risk lenders. In Canada, prime-based personal loans currently range from roughly 8–20% APR. In the USA, rates typically range 7–25% APR depending on the lender and creditworthiness. The best way to evaluate your rate is to compare at least two or three lenders before signing.

Question 3

Is a shorter or longer loan term better?

Accepted Answer

It depends on your priority. A shorter term means higher monthly payments but significantly less total interest paid — your cost of borrowing is lower. A longer term reduces the monthly payment but you pay more interest over the life of the loan. As a general guideline, choose the shortest term whose monthly payment fits comfortably within your budget. Use the Term Comparison card in this calculator to see the exact trade-off for your specific loan amount and rate.

Question 4

What is the difference between APR and the interest rate on a personal loan?

Accepted Answer

The stated interest rate is the annual cost of the borrowed principal alone. APR (Annual Percentage Rate) includes the interest rate plus any fees charged by the lender — origination fees, processing fees, mandatory insurance premiums — expressed as a single annual figure. APR is always equal to or higher than the stated rate. This calculator uses the stated interest rate; if your lender charges origination or other fees, your true cost will be slightly higher than shown. Always ask your lender for the APR to compare offers fairly.

Question 5

Can I pay off a personal loan early without penalty?

Accepted Answer

Many lenders allow early repayment with no penalty, but some charge a prepayment fee — typically 1–3% of the remaining balance or a fixed number of months' interest. Always check your loan agreement before making a lump-sum payoff. If no penalty applies, paying off early saves exactly the remaining interest that would have accrued. Use the Debt Repayment Calculator to model the impact of extra payments on your payoff timeline.

Question 6

How does a personal loan affect my debt-to-income ratio?

Accepted Answer

Debt-to-income ratio (DTI) compares your total monthly debt obligations to your gross monthly income. Adding a personal loan increases your monthly debt obligations by the loan's monthly payment. A DTI above 36% is considered elevated by many lenders; above 43% may affect your ability to qualify for future credit such as a mortgage. A common guideline is to keep any single consumer loan payment below 15% of gross monthly income. Enter your annual income in this calculator to see how this loan fits within your budget.

Question 7

What assumptions does this calculator make?

Accepted Answer

Three main assumptions: (1) the interest rate is fixed for the entire loan term — if your loan has a variable rate, your actual payments will differ; (2) no origination fees, insurance premiums, or other lender charges are included in the payment calculation — these would increase your total cost; and (3) payments are made monthly and on time throughout the term. This calculator is for illustrative purposes only. Consult your lender for exact payment figures and a full cost disclosure.

Variable	Meaning
M	Monthly payment
P	Loan amount (principal)
r	Monthly interest rate = annual rate ÷ 12 ÷ 100
n	Total payments = loan term in years × 12

Personal Loan Calculator

Payment Breakdown

Term Comparison

How It Works

The Payment Formula

Monthly Compounding — Canada and USA

How the Loan Cost Score Works

Assumptions

Frequently Asked Questions