Loan Calculator

This loan calculator estimates monthly payments for any loan type. Enter loan amount and rate to see total interest and repayment schedule instantly.

Loan Calculator | Monthly Payment & Total Interest Estimator
Select Currency
Loan Details
%
years
Additional Costs
/mo

Adding extra monthly payments can significantly reduce total interest and shorten your loan term. Even small amounts add up over time.

Loan Summary
💰 Monthly Payment: —
Loan Amount—
Interest Rate—
Loan Term—
Origination Fee—
Closing Costs—
Monthly Payment (P&I)—
Total Interest Paid—
Total of All Payments—
Total Cost of Loan (with fees)—
Payoff Date—
Loan Amortization Schedule
#PaymentPrincipalInterestBalance

Enter loan details to view amortization schedule.

Shows Principal & Interest breakdown for each payment over the loan term.

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Hasnain Khan

Co-Founder, Techraxy

Hasnain Khan is a digital tools developer and Co-Founder of Techraxy, a platform dedicated to building modern web-based calculators and utility tools. He focuses on tool optimization, website performance, and creating accessible user experiences across categories like automotive, finance, construction, and everyday utilities.

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Introduction to Loan Calculator

A loan is money borrowed that is repaid with interest over a set period. Whether you are taking out a personal loan, auto loan, student loan, or business loan, understanding your monthly payment and total cost is essential for budgeting. This Loan Calculator helps you calculate your monthly payment, total interest, and total repayment amount for any loan type. Enter the loan amount, interest rate, and loan term. The calculator shows your monthly payment, how much interest you will pay over the life of the loan, and a complete amortization schedule. Toolraxy built this calculator to help borrowers compare loan offers, understand the true cost of borrowing, and make informed financial decisions. Whether you are consolidating debt, financing a purchase, or planning a major expense, this tool gives you clarity before you commit.

How to Use This Loan Calculator

                                              1. Enter the Loan Amount (principal borrowed)

                                              2. Enter the Annual Interest Rate (as a percentage)

                                              3. Select the Loan Term (in years or months)

                                              4. Select the Loan Type (personal, auto, student, business, etc.)

                                              5. Enter the Start Date (optional – for payoff date)

                                              6. Click Calculate to see your monthly payment

                                              7. Review total interest and total repayment amount

                                              8. View the full amortization schedule

                                              9. Compare different rates and terms

Formula Section

Monthly payment (principal + interest):

Monthly Payment = Loan Amount × [ r(1+r)^n ] / [ (1+r)^n – 1 ]

Total amount repaid:

Total Repaid = Monthly Payment × n

Total interest paid:

Total Interest = Total Repaid – Loan Amount

Interest as percentage of total payment:

Interest Percentage = (Total Interest ÷ Total Repaid) × 100

Monthly interest (first payment):

First Month Interest = Loan Amount × r

Principal portion (first payment):

First Month Principal = Monthly Payment – First Month Interest

Remaining balance after each payment:

New Balance = Previous Balance – Principal Portion

Where:

  • r = Monthly interest rate (annual rate ÷ 12 ÷ 100)

  • n = Total months in loan term (years × 12)

  • Loan Amount = Principal borrowed

Real-Life Examples Section

  • Example scenario:

    • Loan amount: $20,000

    • Interest rate: 9%

    • Loan term: 5 years (60 months)

    Calculations:

    • Monthly payment: $415.17

    • Total repaid: $415.17 × 60 = $24,910.20

    • Total interest: $24,910.20 – $20,000 = $4,910.20

    • Interest percentage: ($4,910.20 ÷ $24,910.20) × 100 = 19.7%

    • First month interest: $20,000 × 0.0075 = $150.00

    • First month principal: $415.17 – $150.00 = $265.17

 

FAQs

 

1. How is a loan payment calculated?
Loan payments use the amortization formula: Payment = Loan Amount × [r(1+r)^n] ÷ [(1+r)^n – 1], where r is the monthly rate and n is the total months. This calculator handles the math instantly.

 

2. What is the difference between simple interest and amortized loans?
Simple interest is calculated only on the principal. Amortized loans (most consumer loans) charge interest on the remaining balance, with more interest early and more principal later.

 

3. What is a good interest rate for a loan?
A good rate depends on the loan type, your credit score, and market conditions. Personal loans typically range 6-36%, auto loans 4-15%, and student loans 4-14%. Better credit scores qualify for lower rates.

 

4. How does my credit score affect my loan?
Higher credit scores qualify for lower interest rates. A 100-point score improvement can reduce your rate by 1-2%, saving thousands over the loan term. Check your credit before applying.

 

5. What is the difference between secured and unsecured loans?
Secured loans use collateral (car, home, savings) and offer lower rates. Unsecured loans have no collateral and higher rates. Auto and mortgage loans are secured; personal and student loans are usually unsecured.

 

6. What is an amortization schedule?
An amortization schedule shows each payment’s breakdown of principal and interest, plus the remaining balance. It reveals how much interest you pay over the loan term.

 

7. How does the loan term affect total interest?
Longer terms reduce monthly payments but increase total interest. Shorter terms have higher payments but lower total interest. Choose based on your budget and goals.

 

8. Can I pay off a loan early?
Most loans allow early payoff without penalty. Some may have prepayment penalties. Check your loan agreement. Paying early reduces total interest.

Disclaimer

This Loan Calculator is provided for educational and planning purposes only. Results are based on standard amortization formulas and the numbers you enter. Actual loan terms, interest rates, fees, and approval conditions vary by lender, credit score, and market conditions. This tool does not constitute financial or lending advice. Consult a licensed lender or financial advisor before taking out a loan. Toolraxy is not responsible for any actions taken based on these calculations.

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