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Mortgage Calculator

Calculate monthly mortgage payment based on home price, down payment, rate, and term.

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How to Calculate

Monthly mortgage payment is calculated using the equal principal + interest method. Loan Amount = Home Price - Down Payment PMT = Loan × r × (1+r)^n / ((1+r)^n - 1) LTV (Loan to Value) = Loan Amount / Home Price × 100 LTV is typically allowed up to 40–70% depending on region and property type.

Example

Home price: ₩500,000,000, Down payment: ₩200,000,000 Annual rate: 4%, Term: 30 years - Loan amount: ₩300,000,000 - LTV: 60% - Monthly payment: approx. ₩1,432,246 - Total payment: approx. ₩515,608,560 - Total interest: approx. ₩215,608,560

FAQ

What is LTV?
LTV (Loan to Value) is the ratio of the loan amount to the home price. In regulated areas, LTV is capped at 40–50%.
How does DSR apply?
DSR (Debt Service Ratio) is the ratio of annual principal and interest repayments on all loans to annual income. Currently limited to 40–50%.