Aluminum Sheet Weight Calculator

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Aluminum Sheet Weight Calculator

Metric (mm/kg) Imperial (inches/lbs)
1100 (Standard) 3003 (Standard) 5052 (Lighter) 6061 (General Purpose) 7075 (Denser)

Calculated Weight:

0.00 kg

How to Use the Aluminum Sheet Weight Calculator

Calculating the weight of aluminum sheets is essential for logistics, structural engineering, and manufacturing. This calculator uses the physical dimensions and specific alloy density to provide a highly accurate weight estimate.

Step-by-Step Instructions:

  • Select your preferred unit system: Metric (millimeters) or Imperial (inches).
  • Choose the specific Aluminum Alloy. Different alloys have slight variations in density (e.g., 7075 is denser than 5052).
  • Enter the length, width, and thickness of the sheet.
  • Specify the number of sheets in your order.
  • Click Calculate to see the total weight.

The Aluminum Weight Formula

The fundamental physics behind this calculation is based on volume multiplied by density. The formulas used in this tool are:

Metric Formula (kg):
Weight = [Length (mm) × Width (mm) × Thickness (mm) × Density (g/cm³)] / 1,000,000

Imperial Formula (lbs):
Weight = Length (in) × Width (in) × Thickness (in) × Density (lb/in³)

Density of Common Aluminum Alloys

Alloy Type Density (g/cm³) Density (lb/in³)
1100 / 3003 2.71 0.0979
5052 2.66 0.0961
6061 2.70 0.0975
7075 2.81 0.1015

Example Calculation

Suppose you have a sheet of 6061 Aluminum that is 48 inches long, 24 inches wide, and 0.125 inches thick.

1. Volume = 48″ × 24″ × 0.125″ = 144 cubic inches.
2. Density of 6061 = 0.0975 lb/in³.
3. Weight = 144 × 0.0975 = 14.04 lbs per sheet.

function updateLabels() { var unit = document.getElementById("unitSystem").value; var labelLen = document.getElementById("labelLen"); var labelWidth = document.getElementById("labelWidth"); var labelThick = document.getElementById("labelThick"); if (unit === "metric") { labelLen.innerHTML = "Length (mm)"; labelWidth.innerHTML = "Width (mm)"; labelThick.innerHTML = "Thickness (mm)"; } else { labelLen.innerHTML = "Length (inches)"; labelWidth.innerHTML = "Width (inches)"; labelThick.innerHTML = "Thickness (inches)"; } } function calculateWeight() { var unit = document.getElementById("unitSystem").value; var alloyDensityMetric = parseFloat(document.getElementById("alloy").value); // g/cm3 var len = parseFloat(document.getElementById("length").value); var wid = parseFloat(document.getElementById("width").value); var thick = parseFloat(document.getElementById("thickness").value); var qty = parseFloat(document.getElementById("quantity").value); var resultArea = document.getElementById("resultArea"); var weightOutput = document.getElementById("weightOutput"); var calcDetails = document.getElementById("calcDetails"); if (isNaN(len) || isNaN(wid) || isNaN(thick) || isNaN(qty) || len <= 0 || wid <= 0 || thick <= 0) { alert("Please enter valid positive numbers for all dimensions."); return; } var totalWeight = 0; var unitLabel = ""; if (unit === "metric") { // Formula: (L * W * T in mm) / 1,000,000 = Volume in Liters/dm3. // Since density is g/cm3, we calculate volume in cm3: (L*W*T)/1000 // Weight = (cm3 * g/cm3) / 1000 = kg var volumeCm3 = (len * wid * thick) / 1000; totalWeight = (volumeCm3 * alloyDensityMetric / 1000) * qty; unitLabel = "kg"; calcDetails.innerHTML = "Based on density of " + alloyDensityMetric + " g/cm³ for " + qty + " sheet(s)."; } else { // Imperial: Density lb/in3 = g/cm3 * 0.0361273 var alloyDensityImperial = alloyDensityMetric * 0.0361273; var volumeIn3 = len * wid * thick; totalWeight = (volumeIn3 * alloyDensityImperial) * qty; unitLabel = "lbs"; calcDetails.innerHTML = "Based on density of " + alloyDensityImperial.toFixed(4) + " lb/in³ for " + qty + " sheet(s)."; } weightOutput.innerHTML = totalWeight.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}) + " " + unitLabel; resultArea.style.display = "block"; } // Initialize labels updateLabels();

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