Construction Calculators
Free professional-grade calculators for estimating materials, costs, and project requirements.
Building Permit Cost Calculator
Total permit cost in one estimate: building permit + plan review + zoning + electrical / plumbing / mechanical + fire review. Two-section breakdown, low/best/high range, regional adjustment.
Try calculatorConstruction Bid Price Calculator
Calculate your total bid price with line-item cost breakdown, overhead, profit margin, and contingency. Free bid calculator for contractors.
Try calculatorConstruction Change Order Markup Calculator
Calculate the total price of a construction change order including direct costs and various markups.
Try calculatorConstruction Project Estimate Builder
Build a detailed project estimate with custom line items, quantities, rates, overhead, and profit. Add, remove, and group costs for a complete bid.
Try calculatorContractor Hourly Rate Calculator
Calculate your minimum hourly rate based on salary goals, business expenses, and billable hours. Get daily and weekly rates too.
Try calculatorContractor Profit Margin Calculator
Calculate your gross margin, markup percentage, and break-even point. See if a job is worth taking with color-coded margin health indicators.
Try calculatorDemolition Calculator
Estimate the cost of your demolition project, including labor, debris removal, and disposal.
Try calculatorDemolition Permit Cost Calculator
Estimate demolition permit fees by structure square footage. Permit fee only - see demolition-cost-estimator for total demolition cost.
Try calculatorElectrical Permit Cost Calculator
Estimate electrical permit fees by project valuation and type. National baseline adjusted for your region. Range, breakdown, confidence label.
Try calculatorFire Permit Review Cost Calculator
Estimate fire department review fees by project type. Most jurisdictions exempt single-family residential.
Try calculatorJob Costing Calculator for Contractors
Compare your bid estimate to actual job costs. See variance by category, margin shift, and whether you made or lost money on the project.
Try calculatorMechanical Permit Cost Calculator
Estimate HVAC/mechanical permit fees by tonnage or project valuation. National baseline adjusted for your region.
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