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Rehab Estimator Calculator

The Rehab Estimator Calculator helps fix-and-flip investors estimate renovation costs, total project expenses, projected profit, ROI, and profit margin.

Written by Joy

Use this article to estimate renovation costs, total project expenses, projected profit, ROI, and profit margin from a single screen. The Rehab Estimator in DealMachine helps fix-and-flip investors evaluate potential flip opportunities and compare different investment scenarios.

Where to find it: The Rehab Estimator lives under Property Analysis Tools and is web only. Open a property's Property Page by hovering its row in the Grid and clicking View (or find the property through Quick Search). On the Property Page, use the left Page Sections list to jump to Property Analysis Tools, then select the Rehab Estimator tab.

The calculator includes an Inputs panel on the left and a Rehab Analysis panel on the right that updates automatically as values change.

Repair Costs

The calculator lets you estimate renovation expenses across several categories:

  • Kitchen Renovation

  • Bathroom Renovation

  • Flooring

  • Painting

  • Roof Replacement

  • HVAC System

  • Other

Purchase & Holding Costs

You can also enter additional project costs:

  • Purchase Price — pre-filled using the property's estimated value.

  • Holding Costs — enter Monthly Holding Costs and the Number of Months Held. The calculator automatically computes total holding costs as Monthly Holding Costs × Months Held.

  • Selling Costs — estimate selling expenses as a percentage of the ARV (after repair value). This defaults to 8% and is intended to account for agent commissions and closing costs.

Rehab Analysis

The right panel displays a live summary of your projected deal numbers, including:

  • Total Rehab Cost — combined total of all repair categories.

  • Total Holding Costs — monthly costs multiplied by months held.

  • Selling Costs — ARV × Selling Costs %.

  • Total Costs — combined total of purchase, rehab, holding, and selling expenses.

  • Estimated Sale Price — based on the ARV.

  • Net Profit — estimated sale price minus total costs.

  • ROI (return on investment) — net profit divided by total costs.

  • Profit Margin — net profit divided by ARV.

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