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.
TenantsLandlordsLenders
Rent-to-income
Check monthly rent against gross monthly income.
Rent-to-income30%
FormulaRent-to-income = monthly rent and utilities / gross monthly income
This estimates housing burden for tenants or applicant screening.
- The 30% line is a common affordability screen, not a complete budget or approval standard.