Money Smart Personal Loan Calculator
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Reviewed by Calculator Editorial Team
Use our Money Smart Personal Loan Calculator to determine your monthly loan payments, total interest paid, and loan breakdown. This tool helps you understand the cost of borrowing and make informed financial decisions.
How to Use This Calculator
To use the Money Smart Personal Loan Calculator:
- Enter the loan amount you want to borrow.
- Select the loan term in years.
- Enter the annual interest rate.
- Click "Calculate" to see your monthly payment and loan breakdown.
The calculator uses the standard loan amortization formula to provide accurate results. You can also reset the form to start over.
Formula Used
The calculator uses the following formula to calculate the monthly loan payment:
Monthly Payment = P × (r(1 + r)^n) / ((1 + r)^n - 1)
Where:
- P = Principal loan amount
- r = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (loan term in years multiplied by 12)
This formula accounts for the interest on both the original principal and the interest accumulated on previous payments.
Worked Example
Let's calculate a $20,000 loan with a 5% annual interest rate over 5 years.
- Principal (P) = $20,000
- Annual interest rate = 5% or 0.05
- Monthly interest rate (r) = 0.05 / 12 ≈ 0.004167
- Number of payments (n) = 5 years × 12 = 60 months
Plugging these values into the formula:
Monthly Payment = $20,000 × (0.004167(1 + 0.004167)^60) / ((1 + 0.004167)^60 - 1)
Monthly Payment ≈ $389.74
Over 5 years, you would pay a total of $23,384.40, with $3,384.40 going to interest.
Frequently Asked Questions
What is the difference between APR and interest rate?
The Annual Percentage Rate (APR) is the total cost of credit, including fees and interest, while the interest rate is the cost of borrowing without fees. APR is always higher than the interest rate.
How does loan term affect my monthly payment?
A longer loan term means lower monthly payments but more total interest paid. A shorter term means higher monthly payments but less total interest.
Can I pay extra on my loan?
Yes, paying extra principal reduces the loan balance faster and saves on interest. Use our Extra Payment Calculator to see the impact.