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Loan Interest Calculator - See your loan repayment plan at a glance!

How much should I pay each month before taking out a loan?
How much will the total interest be?
Easily check with the loan interest calculator!

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Key Features
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Supports 3 Repayment Methods
• Equal Principal and Interest Repayment: Repay the same amount every month (most common)
• Equal Principal Repayment: Repay the same principal + remaining interest every month
• Lump Sum Repayment: Pay only interest each month and repay the principal in a lump sum at maturity

Detailed Repayment Schedule
• Monthly Payment Amount
• Monthly Principal/Interest Breakdown
• Remaining Loan Balance
• Accumulated Interest Payment

Total Amount Information at a Glance
• Total Interest Amount
• Total Repayment Amount
• Interest to Principal Ratio

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Recommended for:
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• Those considering a mortgage loan • Those looking to establish a credit loan repayment plan
• Those looking to compare various loan products
• Those curious about loan interest rates
• Those looking to compare prepayments

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How to Use (Just 30 Seconds!)
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1. Enter the loan amount
2. Enter the annual interest rate (%)
3. Select the loan term
4. Select a repayment method
5. Click the Calculate button!

Your monthly repayment amount and total interest will be calculated instantly.

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App Advantages
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Privacy Protection
• Your entered information is not sent to the server.
• All calculations are processed on your device.
• Use safely.

Easy to Use
• No complicated sign-up process
• Ready to use immediately after installation
• Intuitive interface

Clean design
• Easy-to-view results screen
• Easy-to-understand charts
• Mobile-optimized UI

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Features of Each Repayment Method
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【Equal Principal and Interest Repayment】
• Repay the same amount every month
• Easy to keep a household account
• Most commonly used for mortgage loans
• Higher proportion of interest in the beginning and higher proportion of principal in the later stages

【Equal Principal Repayment】 】
• The principal remains the same each month, while the interest gradually decreases.
• The monthly repayment amount decreases over time.
• The lowest total interest burden.
• Higher initial repayment burden.

【 Lump sum repayment at maturity 】
• Interest-only payments are made monthly.
• The full principal is repaid in a lump sum at maturity.
• The lowest monthly burden.
• A lump sum is required at maturity.

─ ... Equal Principal and Interest: Approximately KRW 580,000 per month
Equal Principal: Approximately KRW 710,000 per month, approximately KRW 420,000 per month
Maturity Date: Approximately KRW 290,000 per month (KRW 100 million repaid at maturity)

"When comparing interest rates across multiple banks"
See how much a 0.1% difference in interest rate can affect your total interest.

"Check the interest savings after prepayment"
Calculate interest savings by shortening the repayment period.

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Notes
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• This calculator uses the simple interest method.
• Actual bank loan interest rates may be subject to preferential rates, surcharges, etc.
• Contact your financial institution for exact repayment plans.
• The calculation results from this app are for reference only and have no legal effect.

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Contact Us & Feedback
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If you experience any inconveniences while using the app or have any suggestions for improvement,
please contact us anytime. We will continue to improve the app.

Loan interest calculations, now quick and easy!
Download now!