Brrrr Calculator

Analyze Buy, Rehab, Rent, Refinance, Repeat Real Estate Deals

Phase	Metric	Value
Buy/Rehab	All-In Cost	$0
Refinance	Estimated Equity	$0
Rent	Annual Net Income	$0

What is a BRRRR Calculator?

A brrrr calculator is a specialized financial tool used by real estate investors to analyze the profitability and capital requirements of the “Buy, Rehab, Rent, Refinance, Repeat” strategy. Unlike a standard rental property calculator, a brrrr calculator focuses on the transition from short-term capital deployment to long-term wealth building through equity extraction.

The primary goal of using a brrrr calculator is to determine how much of your initial capital can be recovered during the refinance phase. Ideally, an investor wants to “leave” as little money as possible in the deal, achieving what many call an “infinite return.” This brrrr calculator helps you model the impact of renovation costs and After Repair Value (ARV) on your final cash-on-cash return.

Investors use the brrrr calculator to vet potential deals, ensuring that the finished property will both cash flow positively and appraise high enough to pay back the majority of the acquisition and renovation costs. Without a robust brrrr calculator, investors risk over-leveraging or getting stuck with a property that traps all their liquid capital.

BRRRR Calculator Formula and Mathematical Explanation

The math behind the brrrr calculator involves several layers of financial logic. To calculate the final “Cash Left in Deal,” the brrrr calculator uses the following core derivation:

Step 1: Total Initial Investment
Total Investment = Purchase Price + Rehab Costs + Initial Closing Costs

Step 2: New Loan Amount
Loan Amount = After Repair Value (ARV) × Refinance LTV%

Step 3: Cash Left in Deal
Cash Left = Total Investment – (Loan Amount – Refinance Closing Costs)

Variables Table

Variable	Meaning	Unit	Typical Range
ARV	After Repair Value	Currency ($)	$100k – $1M+
LTV	Loan-to-Value	Percentage (%)	70% – 80%
Rehab	Renovation Costs	Currency ($)	10% – 50% of Value
Cap Rate	Capitalization Rate	Percentage (%)	4% – 10%

Practical Examples (Real-World Use Cases)

Example 1: The “Perfect” BRRRR
An investor buys a distressed property for $100,000. Using the brrrr calculator, they estimate $50,000 in rehab and $5,000 in closing costs. Total investment: $155,000. After the rehab, the ARV is $220,000. A lender offers a 75% LTV refinance ($165,000). After $5,000 in refinance costs, the net loan is $160,000. The brrrr calculator shows the investor pulled out $5,000 more than they put in, achieving a “no money down” deal.

Example 2: The Conservative BRRRR
A duplex is purchased for $200,000. Rehab is $30,000. Total in: $235,000. ARV comes in at $280,000. With a 75% LTV, the loan is $210,000. The brrrr calculator indicates that $25,000 of the investor’s original cash remains in the property. However, if the monthly rent is $3,000 and expenses are $2,200, the $800 cash flow still provides a massive 38% cash-on-cash return.

How to Use This BRRRR Calculator

To get the most accurate results from this brrrr calculator, follow these steps:

1. Enter Purchase Price: This should be the actual contract price.
2. Estimate Rehab: Be realistic. Always include a 10% contingency in your brrrr calculator inputs.
3. Determine ARV: Research local “comps” (comparable sales) to find what similar renovated homes sold for.
4. Input Refinance Terms: Check with lenders for current LTV limits and interest rates.
5. Review Results: Look at the “Cash Left in Deal.” If it’s too high, you may need to negotiate a lower purchase price or increase the ARV through better finishes.

Key Factors That Affect BRRRR Calculator Results

• Appraisal Risk: If the appraiser values the property lower than your estimated ARV, the brrrr calculator results will shift significantly, requiring more cash to stay in the deal.
• Interest Rates: Higher rates on the refinance end decrease your monthly cash flow, a metric tracked by our brrrr calculator.
• Rehab Overruns: Unexpected repairs are the “BRRRR killer.” Every extra dollar spent on rehab is a dollar that might not come back during refinance.
• Time to Completion: Carrying costs (taxes, insurance, utilities) while the property is vacant affect the “All-In” cost in your brrrr calculator.
• Market Cycles: In a declining market, your ARV might shrink during the time it takes to renovate.
• Loan-to-Value (LTV) Ratios: Most lenders cap at 75-80% for investment properties. A 5% drop in LTV can mean thousands of dollars of trapped capital.

Frequently Asked Questions (FAQ)

What is a good ARV for a BRRRR deal?

A common rule of thumb used in the brrrr calculator is the 70% rule: your total investment (Purchase + Rehab) should not exceed 70-75% of the ARV.

Can I use the BRRRR calculator for commercial properties?

Yes, the brrrr calculator works for multifamily and commercial assets, though LTV ratios and appraisal methods (income approach) may differ.

What does “Repeat” mean in BRRRR?

The “Repeat” step involves taking the cash you pulled out during the refinance phase—as calculated by the brrrr calculator—and using it as a down payment on your next deal.

Does the BRRRR calculator include vacancy?

Most investors include a vacancy allowance (usually 5-10%) within the “Operating Expenses” field of the brrrr calculator.

Why is “Cash Left in Deal” negative sometimes?

This happens in the brrrr calculator when the net refinance loan is greater than your total investment. This is a “cash-out” win!

What is the “seasoning period”?

Most lenders require you to own the property for 6-12 months before refinancing based on the new ARV rather than the purchase price.

How does interest rate affect my ROI?

Our brrrr calculator shows that higher interest rates increase your monthly payment, which reduces your cash-on-cash return.

Is BRRRR better than flipping?

Flipping provides a one-time lump sum, while BRRRR, as modeled in our brrrr calculator, builds long-term passive income and equity.