LTV Mortgage Calculator
Calculate Korean mortgage loan limits (LTV/DTI/DSR) from home price, region, and income. Automatically applies speculative zone and first-time buyer ratios.
This calculator is for reference only and may differ from actual amounts due to law changes or individual circumstances. Please consult a licensed professional (tax accountant, labor attorney, etc.) for accurate calculations.
Max Loan Amount
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LTV
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DTI
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Est. Monthly Payment
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Notice: Based on 2026 Korean mortgage regulations. Actual loan limits may differ by bank and individual credit rating. DTI/DSR income verification is required at application.
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How to read the LTV Mortgage Calculator result
LTV Mortgage Calculator is most useful when it is treated as a quick decision aid, not as a standalone answer. Enter clean inputs, compare the result with a related tool, and keep the final decision tied to the real context behind the numbers or text.
Check the input first
A small typo, wrong unit, or missing condition can change the LTV Mortgage Calculator output. Recheck the input before copying, saving, or sharing the result.
Compare one related signal
Use another MillionsCode tool or hub to confirm the same decision from a different angle. This reduces mistakes when the result affects money, health, publishing, or planning.
Keep the result reusable
If the result is something you will revisit, copy it into your notes with the date and the assumption you used. A saved result without its assumption is easy to misread later.
Use guides for edge cases
When the result feels close to a limit, read the related guide before acting. Calculators and browser tools are fast, but rules, fees, policies, and personal conditions can change the final answer.
Before you act on the result
Use this short checklist before treating the LTV Mortgage Calculator result as final. It helps separate a quick browser calculation from a real decision that may affect money, publishing, travel, health, study, or work.
Is the result sensitive to one input?
If one value can change the answer heavily, run the tool twice with a conservative and an optimistic assumption. The difference between those two results is often more useful than a single exact number.
Does the result need a date?
Many decisions depend on the date of the calculation. Exchange rates, search demand, platform rules, fees, and personal conditions move over time, so save the date with the result when you plan to reuse it.
Can another tool confirm it?
When the result leads to a real action, open one related tool or guide and check whether the same direction still makes sense. This is especially important for finance, SEO, crypto, tax, health, and publishing decisions.
Is there a policy or local rule behind it?
A browser tool cannot know every local rule, bank condition, platform limit, or personal exception. If the result is close to a threshold, read the related guide before making the final call.
A practical next step
After using LTV Mortgage Calculator, write down the input, the output, and the action you are considering. If the action still looks useful after a second check, move to the related hub or guide and compare the broader context before you commit.
Frequently Asked Questions
Q. How do I check if an area is a speculative zone?
Search your address at the Ministry of Land, Infrastructure and Transport's real transaction system (rt.molit.go.kr) or Toji-eum (eum.go.kr) to check zoning status.
Q. Does the first-time buyer LTV benefit apply automatically?
No. Combined household income must be under ₩90M and home price under ₩900M. If either spouse previously owned a home, it does not apply.
Q. How is the DSR 40% limit calculated?
(New annual principal+interest + all existing loan payments) ÷ annual income × 100 must be ≤40%. Student loans and auto installments are included.
Q. What is LTV?
LTV (Loan-to-Value) is the ratio of loan to collateral value. A ₩300M loan on a ₩500M apartment = 60% LTV. Lower LTV improves bank approval odds.
Q. Do LTV limits differ by region?
Yes. Speculative zones: LTV 40%, adjustment-required zones: 50%, non-regulated areas: up to 70%. First-time buyers receive preferential limits.
Q. What is the difference between DSR and LTV?
LTV is collateral-to-loan ratio; DSR (Total Debt Service Ratio) is income-to-all-loan-payments ratio. Both must be satisfied to obtain a mortgage.
How to Use
Input the actual transaction price or official assessed value of the apartment you are buying or own.
Choose: Speculative Overheating Zone, Adjustment-Required Zone, or Non-Regulated Area.
Enter annual income and current monthly debt payments to calculate DTI/DSR limits.
Input desired interest rate (%) and loan term (years) to calculate monthly payment automatically.
Expert Knowledge: LTV Mortgage Calculator
LTV (Loan-to-Value) measures loan amount as a percentage of property value. In speculative overheating zones, homes under ₩900M have 50% LTV; the amount above ₩900M is capped at 40%. First-time buyers meeting income and price thresholds can receive a +10% LTV boost, reaching up to 60–70%.
DTI (Debt-to-Income) caps annual principal-plus-interest repayments relative to annual income: 40% in speculative zones, 50% in adjustment-required zones. If existing loans already approach this limit, new mortgage eligibility shrinks significantly.
DSR (Debt Service Ratio), tightened in 2022, requires that ALL financial institution loan repayments combined do not exceed 40% of annual income (bank-tier) or 50% (non-bank). Practically, high-income earners are the only ones who can comfortably borrow on properties over ₩900M.
The Stress DSR regime — adding a 0.75–1.5% stress buffer on top of the actual interest rate for qualification purposes — has further reduced real borrowing limits since 2024–2026. Always calculate your maximum loan amount before committing to a purchase price, as overlooking DSR limits can leave buyers unable to close transactions.
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