Cost Estimation Calculators
Free cost estimation calculators for construction projects. Budget materials, labor, and total project costs.
Planning a construction or renovation project? Our cost calculators help you estimate realistic budgets before you talk to contractors. Each tool breaks down costs by category — materials, labor, permits, and more — so you know where your money goes.
Home Addition Cost Calculator
Estimate room addition costs per square foot with breakdowns for foundation, framing, roofing, electrical, plumbing, HVAC, and permits. Supports single and two-story additions.
CalculateBasement Waterproofing Cost Calculator
Calculate the cost of basement waterproofing based on perimeter and method. Compare interior sealant, exterior waterproofing, and French drain systems with cost breakdowns.
CalculateBathroom Remodel Cost Calculator
Calculate the estimated cost of your bathroom remodel based on size, quality tier, and scope. Get cost breakdowns for fixtures, labor, and materials.
CalculateBay Window Cost Calculator
Calculate the cost of bay, bow, and garden windows including materials and installation. Compare vinyl, wood, and fiberglass options for accurate budgeting.
CalculateConstruction Cost Calculator
Estimate construction costs for houses, garages, and additions. Compare economy, standard, custom, and luxury quality levels with detailed cost breakdowns.
CalculateMold Remediation Cost Calculator
Calculate the cost of professional mold remediation based on affected area, severity, and location. Get detailed cost breakdowns for testing, removal, and repairs.
CalculateSwimming Pool Cost Calculator
Estimate the cost of installing a swimming pool. Compare inground concrete, fiberglass, and above ground pools with low/mid/high budget ranges and monthly maintenance costs.
CalculateHow to Choose the Right Calculator
- •For whole-house or room additions, start with the Home Addition Cost Calculator — it gives you a per-square-foot breakdown including foundation, framing, and finishes.
- •Remodeling a bathroom? Use the Bathroom Remodel Cost Calculator to estimate materials, fixtures, and labor for your specific scope.
- •If you're comparing project costs (pool vs. basement vs. addition), use each relevant calculator to get side-by-side estimates.
- •All cost estimates are based on national averages. Your actual costs may be 20–50% higher in major metro areas or if you choose premium materials.
Common Estimation Scenarios
Budgeting a Room Addition
A homeowner planning a 12×24 family room addition uses the cost calculator to get a low/average/high range, then adds 15% contingency before getting contractor bids.
Comparing Renovation ROI
A homeowner compares bathroom remodel costs vs. basement waterproofing costs to decide which project to prioritize based on return on investment.
Planning a Swimming Pool Budget
A family uses the pool cost calculator to understand the full scope of expenses — excavation, materials, equipment, and finishing — before committing to a contractor.
Estimating Mold Remediation
After discovering water damage, a homeowner uses the mold remediation calculator to understand typical costs and decide whether to file an insurance claim.