Calculadora de Peso de Vidro
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
peso = área × (esp/1000) × 2500
About this calculator
This glass weight calculator estimates the weight of a glass sheet based on its dimensions (length, width, and thickness). It uses the average density of common glass, approximately 2500 kg/m³. The result is given in kilograms, helping with transport planning, support structure design, or installation.
How it works: enter the length, width, and thickness of the glass sheet (in centimeters). The calculator converts thickness to meters, calculates volume (base area times thickness), and multiplies by density. For example, a 1m x 1m sheet with 10mm thickness weighs 25 kg.
Use this tool when planning glazing projects like windows, doors, partitions, or tabletops. It helps estimate transport costs (by weight), check support capacity, or size handling equipment. Tempered or laminated glass may have slightly different densities, but 2500 kg/m³ is a good approximation for common glass.
Caution: the calculator assumes constant density, but specialty glass (e.g., armored or coated) may vary. Always check manufacturer specifications for critical loads. Also, consider that actual weight may include frames or hardware. For structural projects, consult an engineer.
Frequently asked questions
How do I measure the glass correctly?
Measure the length and width of the sheet in centimeters, including edges. Measure thickness with a caliper or precise ruler. Enter the values into the calculator.
Does the calculated weight apply to any type of glass?
The calculator uses a density of 2500 kg/m³, typical for common glass. Tempered, laminated, or specialty glass may have different densities. Consult the manufacturer for accuracy.
Can I use this weight to size supports?
Yes, but only as an initial estimate. For structural projects, consider safety factors and consult an engineer. Actual weight may include frames or hardware.
Does the calculator consider curved glass?
No, the calculator assumes a flat sheet. For curved glass, the calculation is more complex and requires precise surface area measurement.
What unit is the weight provided in?
The result is in kilograms (kg). To convert to pounds, multiply by 2.20462.