How to Calculate Cost per Square Foot for Construction: A guide for homeowners and contractorsMaxwell JohnsonSep 02, 2025Table of ContentsStep 1: Determine the Total Cost of the ProjectStep 2: Calculate the Total Square FootageStep 3: Divide the Total Cost by the Total Square FootageConclusionTable of ContentsStep 1 Determine the Total Cost of the ProjectStep 2 Calculate the Total Square FootageStep 3 Divide the Total Cost by the Total Square FootageConclusionFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeIntroductionCalculating the cost per square foot for construction is an important step in budgeting for any building project. Whether you're a homeowner planning a renovation or a contractor bidding on a new project, knowing the cost per square foot can help you make informed decisions and avoid costly mistakes.Step 1: Determine the Total Cost of the ProjectThe first step in calculating the cost per square foot is to determine the total cost of the project. This includes all materials, labor, and other expenses associated with the construction. Be sure to include any costs for permits, inspections, and other fees that may be required in your area.Step 2: Calculate the Total Square FootageThe next step is to calculate the total square footage of the project. This can be done by measuring the length and width of each room or area and multiplying them together. Be sure to include any areas that will be covered, such as closets or hallways.Step 3: Divide the Total Cost by the Total Square FootageOnce you have the total cost and total square footage, divide the total cost by the total square footage to get the cost per square foot. For example, if the total cost of the project is $100,000 and the total square footage is 1,000 square feet, the cost per square foot would be $100.ConclusionCalculating the cost per square foot for construction is an important step in budgeting for any building project. By following these simple steps, you can make informed decisions and avoid costly mistakes. Whether you're a homeowner planning a renovation or a contractor bidding on a new project, knowing the cost per square foot can help you stay on budget and achieve your goals.Ready to start your construction project? Visit Coohom for design inspiration and project management tools.Home Design for FreePlease check with customer service before testing new feature.