Jeonse ↔ monthly rent converter
See how the monthly rent changes when you raise or lower the deposit, using the legal conversion rate.
What do you want to calculate?
Starting from your current deposit and rent, see what the rent becomes if the deposit goes up or down.
M ₩₩100M
M ₩₩500,000
M ₩₩50M
%Within the legal cap of 4.5%
%Legal cap = base rate 2.5% + 2%p = 4.5% (max 10% a year). Check the current base rate with the Bank of Korea
New monthly rent
₩687,500
Deposit ₩100M → ₩50M · 4.5% a year
Deposit change
-₩50M
Yearly rent change
+₩2.3M
- The legal cap applies when a deposit is converted into monthly rent during a lease, including on renewal. New leases are set by agreement between the parties.
Breakdown
Current deposit
₩100M
Current monthly rent
₩500,000
New deposit
₩50M
Conversion rate
4.5% a year
Monthly equivalent
Deposit change × rate ÷ 12
+₩187,500
New monthly rent
₩687,500
Yearly rent (now)
₩6M
Yearly rent (after)
₩8.3M
A simplified estimate based on the conversion rate in Article 7-2 of the Housing Lease Protection Act (base rate + 2%p, max 10% a year) as of 2026-10. Check the current base rate with the Bank of Korea, and agree the actual terms with your landlord in the lease.