ARV Calculator
Calculate After Repair Value (ARV) and Maximum Allowable Offer (MAO) for house flipping and BRRRR investing with the 70% rule.
What is the ARV Calculator?
The ToolboxDock ARV Calculator is a free, 100% browser-based financial utility that calculates money metrics directly in client-side RAM with zero server transfers. It provides instant mathematical modeling for loans, investments, taxes, and amortization schedules while ensuring complete confidentiality of your sensitive financial data.
The ARV Calculator determines the After Repair Value (ARV) and Maximum Allowable Offer (MAO) for residential real estate investors, house flippers, and BRRRR practitioners using the proven 70% rule to ensure profitable acquisitions.
Financial Calculation Inputs
- Supported Inputs: Principal balances, interest rates, compounding schedules, and tenures.
- Precision Model: High-precision IEEE-754 floating-point arithmetic with decimal rounding.
- Data Privacy: Zero cloud logs. Figures are calculated locally in your browser memory.
Output & Schedule Breakdown
- Visual Analytics: Month-by-month schedules, dynamic charts, and cash flow summaries.
- Currency Support: Multi-currency symbol formatting (USD, EUR, GBP, INR, JPY, CAD, AUD).
- Access Guarantee: 100% unlocked with zero limits, subscriptions, or forced account creation.
How to Use the ARV Calculator
Follow these 3 simple steps for instant, accurate calculations.
1. Enter Projected ARV
Input the anticipated post-renovation market value based on recent local comparable sales (comps).
2. Estimate Rehab Costs
Enter your total expected material, labor, and contingency budget for property renovations.
3. Review MAO & Profit Margins
Analyze the 70% Rule Maximum Allowable Offer (MAO), projected net flip profit, and return on invested capital.
Financial Privacy & Architecture Comparison
Why client-side financial calculations protect your privacy better than cloud services.
| Evaluation Criteria | ToolboxDock (Client-Side) | Traditional Online Calculators |
|---|---|---|
| Financial Data Privacy | 100% Local (Never leaves device RAM) | Logged on remote servers and ad networks |
| Calculation Latency | Instant real-time update on keystroke | Full page reloads or API round-trips |
| Offline Usability | Works offline once cached in browser | Fails without active server connection |
| Cost & Paywalls | 100% free with unlimited calculations | Usage caps or financial product paywalls |
ARV & Maximum Allowable Offer Formulas
After Repair Value is estimated from post-renovation comparable sales square-footage rates, while Maximum Allowable Offer (MAO) applies the investor 70% safety margin minus required rehab and renovation costs.
Core ARV Calculator Inputs & Terminology
The estimated fair market value of a distressed real estate property after all planned renovations and upgrades are completed.
The highest purchase price an investor should pay for a distressed property to achieve their target profit margin.
A real estate rule of thumb stating an investor should pay no more than 70% of the ARV minus estimated repair costs.
Frequently Asked Questions
Common questions about using our free ARV Calculator.