Estimate market rent level and potential gross income from input parameters for landlord pricing and investment.
输入两个参数，自动计算常用结果
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Potential gross income | PGI = leasable area × market rent × 12 at full occupancy | GB/T 50291-2015 income approach |
| Effective gross income | EGI = PGI × (1 − vacancy − credit loss) + other income | Standard income-approach step |
| Net operating income | NOI = EGI − operating expenses (excl. depreciation and debt service) | NOI definition in income approach |
| Vacancy benchmarks | Residential vacancy ≈5%–10%; offices 10%–25% by market | Market-research practice values |
租金（市场/潜在毛收入）。免费在线工具，纯前端处理，数据不上传，保护隐私安全。