To measure the weight of a 4×8 aluminum plate with a thickness of 2mm, pode ser calculado pelas seguintes etapas:

Calcule a área: Primeiro, convert the dimensions of the 4×8 aluminum sheet to square meters (ou centímetros quadrados, dependendo de quais unidades você está acostumado). For a 4×8 folha de alumínio de pé, a área pode ser expressa em pés quadrados (m². pés.), que pode então ser convertido em metros quadrados (m². eu) ou centímetros quadrados (m². cm).
1 square foot ≈ 0.0929 square meters
1 square foot ≈ 929 square centimeters
Calculate the volume: multiply the area by the thickness of the aluminum plate to get the volume of the aluminum plate. Note that the thickness here should be expressed in meters (eu) or centimeters (cm).

Calculating Weight: The density of aluminum is usually expressed in grams per cubic centimeter (g/cm³). Aluminum has a density of about 2.7 grams per cubic centimeter. By multiplying the volume of the aluminum plate by the density of the aluminum, you can find the weight of the aluminum plate.

Por exemplo, assuming that the aluminum sheet measures 4×8 pés and is 2mm thick:

Área = 4 pés x 8 feet = 32 square feet ≈ 2.97 square meters
Volume = 2.97 square meters x 0.2 cm (2 mm to cm) = 0.594 metros cúbicos
Peso = 0.594 cubic meters x 2.7 grams per cubic centimeter ≈ 1,604.2 gramas
Então, this 2mm thick 4×8 aluminum plate weighs about 1,604.2 gramas, or about 1.6 kilograms.