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Jeonse vs Monthly Rent Calculator

Compare the total cost of jeonse (lump-sum deposit) and monthly rent.

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How to Calculate

Jeonse vs Monthly Rent comparison directly compares the opportunity cost of tying up the lump-sum deposit against monthly rent payments. Jeonse opportunity cost = (Jeonse deposit − Monthly rent deposit) × Expected return rate Annual monthly rent cost = Monthly rent × 12 If the Jeonse opportunity cost is greater than the annual rent, monthly rent is more advantageous, and vice versa. The expected return rate represents the annual return you could earn by investing or depositing the Jeonse amount.

Example

Example: Jeonse deposit ₩300,000,000, Monthly rent deposit ₩10,000,000, Monthly rent ₩800,000, Expected return 3.5% Jeonse opportunity cost = (₩300M − ₩10M) × 3.5% = ₩10,150,000/yr (approx. ₩845,833/mo) Annual monthly rent cost = ₩800,000 × 12 = ₩9,600,000/yr Jeonse opportunity cost (₩10,150,000) > Monthly rent cost (₩9,600,000) → In this case, monthly rent saves approx. ₩550,000 per year.

FAQ

How should I set the expected return rate?
Using the bank fixed deposit rate (3–4% annually) is common. Depending on your investment style, you may use stock or fund expected returns (5–8% annually).
Why do I need to enter the monthly rent deposit?
Monthly rent also requires a deposit, so the monthly rent deposit is subtracted to calculate the net opportunity cost difference. Enter 0 if there is no deposit.
Are there other factors to consider beyond Jeonse vs monthly rent?
For Jeonse, consider deposit insurance premiums and fraud risk. Monthly rent involves fixed monthly outgoings. Also consider the possibility of Jeonse deposit increases due to rising property values.