Jeonse–Wolse Conversion Calculator

Convert jeonse (deposit-only) ↔ wolse (deposit + monthly rent) both ways and check the statutory ceiling (currently 4.5%/yr).

Compute the monthly rent when converting part of a jeonse deposit to wolse.

✍️ Input

×10k KRW

= 3억원

×10k KRW

= 1억원

%

Current housing ceiling 4.5% (base rate 2.5% + 2%)

📊 Result

Monthly rent

75만원

Housing legal ceilingWithin ceiling

The applied conversion rate is within the housing legal ceiling.

Housing legal ceiling

4.5%

Base rate applied

2.5%

Market-rate scenario comparison

RateMonthly rent
3%50만원
3.5%58.33만원
4%66.67만원
4.5%75만원
5%상한초과83.33만원
5.5%상한초과91.67만원

Market conversion rates are roughly 3–5.5% depending on region and prices. Below is a comparison by rate.

Calculation basis

  • 🏦 Base rate: Bank of Korea 2.50%/yr (verified 2026-07-11; changes on MPC decisions)
  • 📜 Formula: Housing Lease Protection Act §7-2 (limit on monthly-rent conversion rate)
  • 🏠 Housing ceiling: min(10%/yr, base rate + 2%) — Enforcement Decree §9 → currently 4.5% (4.5%)
  • 🏢 Commercial ceiling: min(12%/yr, base rate × 4.5) — Commercial Lease Decree §5 → currently 11.25% (11.25%)

※ Reference calculation only, not legal advice. For a definitive judgment, consult the Korea Legal Aid Corporation (132), a lease dispute committee, or a licensed agent.

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