Invest
Underwrite a small rental without getting cute.
Cash flow, leverage, reserves, and downside in one clean pass.
Rent math first
Use Rent Yield to check cash flow, leverage, and downside before the story gets too optimistic.
Use assumptions you can defend
Vacancy, repairs, taxes, and PM drag matter more than clever output labels.
Know the downside
A thin spread on the front end becomes a rough hold later.
Real estate 101 calculators
Tiny inputs. Useful answers.
Fast screens for investors, landlords, tenants, and lenders. Each result shows the formula so the math stays inspectable.
Investors
Gross rent multiplier
Run a quick price-to-rent screen.
GRM9.62x
Gross annual rent$31,200
FormulaGRM = property price / gross annual rent
GRM is fast, but it ignores expenses, vacancy, repairs, and financing.
- Use this only as a first pass. NOI-based metrics are stronger once you know expenses.