Brrr Calculator

Analyze Buy, Rehab, Rent, Refinance, and Repeat strategies with precision.

Step 1: Buy & Rehab (The Investment)

Step 2: After Repair Value (ARV) & Refinance

Step 3: Rental Income & Expenses

What is a BRRRR Calculator?

A brrr calculator is an essential tool for real estate investors using the “Buy, Rehab, Rent, Refinance, Repeat” strategy. This specific method focuses on creating value through forced appreciation (rehab) and then extracting the initial capital through a cash-out refinance to fund subsequent deals. A brrr calculator helps you determine if a deal will “leave cash in” or if you can successfully pull all your money back out, achieving the holy grail of real estate: an infinite return on investment.

Who should use a brrr calculator? Anyone looking to scale a rental portfolio quickly. Whether you are a seasoned pro or a novice, accurately projecting the refinance amount and the resulting cash flow is critical. A common misconception is that the brrr calculator only measures profit; in reality, its primary purpose is to measure liquidity and capital velocity.

BRRRR Calculator Formula and Mathematical Explanation

The mathematics behind a brrr calculator involves several steps to calculate the final “Cash Left in Deal” and “Cash on Cash ROI.” The core logic is to compare your total capital deployed against the loan proceeds received during refinance.

Step-by-Step Derivation:

1. Total Project Cost: Purchase Price + Buying Costs + Rehab Costs + Holding Costs.
2. New Loan Amount: ARV × LTV%.
3. Cash Left in Deal: (Total Project Cost + Refi Costs) – New Loan Amount.
4. Monthly Cash Flow: Monthly Rent – (Operating Expenses + New Monthly Mortgage Payment).

Variable	Meaning	Unit	Typical Range
ARV	After Repair Value	Currency ($)	$50k – $2M+
LTV	Loan to Value	Percentage (%)	70% – 80%
Rehab	Renovation Budget	Currency ($)	10% – 50% of Price
ROI	Return on Investment	Percentage (%)	10% – Infinite

Practical Examples (Real-World Use Cases)

Example 1: The “Perfect” BRRRR

In this scenario, an investor finds a distressed property using a brrr calculator. Purchase price is $80,000, rehab is $40,000, and closing/holding costs are $5,000. Total investment is $125,000. If the ARV comes in at $170,000 and the bank offers a 75% LTV, the new loan is $127,500. After paying $4,000 in refi costs, the investor has technically “left” only $1,500 in the deal while owning a property with $42,500 in equity.

Example 2: The Cash-In Deal

A property is bought for $150,000 with a $20,000 rehab. Total costs are $175,000. The ARV is $200,000. At 75% LTV, the loan is $150,000. After refi costs, the investor has $29,000 left in the deal. The brrr calculator shows that while capital is tied up, the cash flow might still justify the investment if the monthly rent is high enough.

How to Use This BRRRR Calculator

Using our brrr calculator is straightforward. Follow these steps for an accurate analysis:

• Enter Acquisition Data: Input the purchase price and your estimated closing costs.
• Detail the Rehab: Be realistic with rehab and holding costs (utilities, taxes during construction).
• Estimate ARV: Research comparable sales to find a conservative After Repair Value.
• Refinance Terms: Enter the expected LTV and interest rate from your lender.
• Analyze Monthlys: Input your expected rent and all operating expenses (don’t forget property management).
• Review the Results: Focus on “Cash Left in Deal” and “Monthly Cash Flow.” If both are positive, you have a winner!

Key Factors That Affect BRRRR Results

Many variables can swing the results of a brrr calculator. Understanding these factors helps mitigate risk:

• Interest Rates: High refinance rates can kill cash flow, even if you get all your cash back.
• Appraisal Accuracy: If the ARV is lower than expected, you will leave more cash in the deal.
• Rehab Overruns: Unforeseen repairs are the #1 reason BRRRR deals underperform.
• Time/Velocity: The longer the rehab takes, the higher the holding costs.
• Lender LTV Policies: Some lenders use “cost” instead of “value” if the refinance happens too soon (seasoning period).
• Market Rent Fluctuations: Changes in the local economy can impact your rental income projections.

Frequently Asked Questions (FAQ)

1. What is the “70% Rule” in the context of a brrr calculator?

The 70% rule suggests you should pay no more than 70% of the ARV minus rehab costs. This ensures enough room for the refinance to cover your initial investment.

2. Can I use a brrr calculator for commercial properties?

Yes, though commercial LTVs and interest rates differ significantly from residential ones. The basic “cash-out” logic remains the same.

3. What is a seasoning period?

A seasoning period is the amount of time a lender requires you to own the property before they will refinance based on the new ARV rather than the original purchase price.

4. Is “Infinite ROI” actually possible?

Yes. If your refinance loan covers all your purchase, rehab, and closing costs, your denominator in the ROI equation is zero (or negative), resulting in an infinite return.

5. How does vacancy affect the brrr calculator?

Vacancy should be factored into your monthly operating expenses. We recommend budgeting 5-10% of gross rent for vacancy.

6. Should I include my own labor in rehab costs?

While you don’t “pay” yourself cash, including the value of your labor helps you understand the true profitability compared to other passive investments.

7. What if the property doesn’t appraise for the ARV?

You will have to leave more cash in the deal. This is why conservative ARV estimates are crucial when using a brrr calculator.

8. Do I need a hard money loan for the ‘Buy’ phase?

Many BRRRR investors use hard money or private money for the initial purchase and rehab because it’s faster and allows for distressed property acquisition.

Related Tools and Internal Resources

• Rental Property Calculator: Deep dive into long-term rental yields.
• Refinance Calculator: Compare different loan terms for your “Refinance” step.
• Cap Rate Calculator: Calculate the capitalization rate for multi-family BRRRR deals.
• Hard Money Loan Calculator: Estimate the cost of capital during the “Buy” phase.
• ROI Calculator: Compare your BRRRR returns to the stock market.
• Amortization Schedule: See how much equity you build through principal pay-down.