BRRRR Calculator
Follow capital from acquisition and rehab through the refinance and stabilized rental.
Verify this calculatorMaintained
See what the result uses—and what it cannot know.
Sumvoro calculates deterministically from the visible inputs. It does not invent lender terms, local rules, market values, medical facts, or professional judgments.
- 1 · InputsCheck every entered value against the latest statement, quote, measurement, or official source.
- 2 · Formula
Refinance proceeds are based on after-repair value and LTV; cash left equals project cash minus net refinance proceeds. - 3 · SensitivityUse Insights to run a lower and higher case. If the conclusion changes easily, collect better information or leave more margin.
- 4 · ScopeThis tool is maintained and covered by automated calculation tests. Provider timing, rounding, and omitted facts can still change a real-world result.
- Formula release
- 2026.10-r4
- Release date
- October 10, 2026
- Review status
- Maintained
- Source review
- September 12, 2026
Optional readingLearn how this calculator works
How the brrrr calculator works
Model buy, rehab, rent, refinance, and remaining cash invested.
Refinance proceeds are based on after-repair value and LTV; cash left equals project cash minus net refinance proceeds.
Read our calculation methodology and limitations.
Example
Start with the example scenario, then replace each clearly labeled field with values from your property, statement, quote, or project budget.
What affects the result
- The refinance appraisal can be below projected ARV.
- Loan seasoning and underwriting rules vary.
- Repairs, vacancy, and reserves affect cash flow.
Frequently asked questions
What should I verify before relying on this?
Confirm property value, loan terms, costs, taxes, and local requirements with primary documents and the appropriate lender or professional.
Does Sumvoro save my property data?
The scenario stays locally in your browser unless you deliberately use a sharing or reporting action.