Siding Square Footage Calculator Estimate the exact amount of siding material needed for your project. Total Perimeter of Walls (ft) Average Wall Height (ft) Gables (Triangular Sections) Gable Base Width (ft) Gable Height (ft) Number of Gables Deductions (Windows/Doors sq…

Solar Savings & Payback Calculator Estimate your solar ROI, annual energy production, and net installation costs. System Size (kW) Avg residential system is 5-10kW. Avg. Daily Sun Hours Varies by state (e.g., CA: 5.5, NY: 4.0). Electricity Rate ($/kWh) Check…

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Material Tonnage Calculator Length (Feet) Width (Feet) Depth (Inches) Material Type Gravel (Loose) – 105 lbs/ft³ Crushed Stone – 115 lbs/ft³ Dry Sand – 95 lbs/ft³ Topsoil – 80 lbs/ft³ Concrete (Wet) – 145 lbs/ft³ Asphalt – 150 lbs/ft³ Calculate…

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Weeks of Supply Calculator Current Inventory Level (Units) Average Sales Per Week (Units) Calculate Weeks of Supply Estimated Weeks of Supply function calculateWeeksOfSupply() { var inventory = parseFloat(document.getElementById(‘currentInventory’).value); var sales = parseFloat(document.getElementById(‘weeklySales’).value); var display = document.getElementById(‘resultDisplay’); var resultText = document.getElementById(‘weeksResult’);…

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Drywall & Sheetrock Calculator Room Length (ft) Room Width (ft) Ceiling Height (ft) Sheet Size 4′ x 8′ Sheet (32 sq ft) 4′ x 12′ Sheet (48 sq ft) 4.5′ x 12′ Sheet (54 sq ft) Opening Reductions (sq ft)…

Pool Shock Dosage Calculator Pool Volume (Gallons) Type of Shock Cal-Hypo (65%) – Granular Liquid Chlorine (12.5%) Dichlor (56%) – Granular Cal-Hypo (73%) – Granular Current Free Chlorine (ppm) Target Chlorine Level (ppm) Calculate Required Shock Recommended Dosage: How Much…

Operating Gearing (Leverage) Calculator Total Sales Revenue Total Variable Costs Total Fixed Costs Calculate Operating Gearing Calculation Results Contribution: Operating Profit (EBIT): Degree of Operating Gearing (DOL): function calculateOperatingGearing() { var revenue = parseFloat(document.getElementById(‘totalRevenue’).value); var variableCosts = parseFloat(document.getElementById(‘variableCosts’).value); var fixedCosts…