How Heavy is Glass? Weight Chart for All Glass Types
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Understanding glass weight is crucial for any construction or installation project. Whether you're working with window panes, shower screens, or architectural glass, knowing the exact weight helps ensure safe handling and proper installation. Our comprehensive guide provides detailed weight charts for all common glass types and thicknesses.
Glass Weight Charts by Type and Thickness
| Glass Type | 4mm | 6mm | 8mm | 10mm | 12mm |
|---|---|---|---|---|---|
| Float Glass | 10 kg/m² | 15 kg/m² | 20 kg/m² | 25 kg/m² | 30 kg/m² |
| Tempered Glass | 10.1 kg/m² | 15.1 kg/m² | 20.2 kg/m² | 25.2 kg/m² | 30.2 kg/m² |
| Laminated Glass | 10.5 kg/m² | 15.7 kg/m² | 20.9 kg/m² | 26.1 kg/m² | 31.3 kg/m² |
Types of Glass and Their Weights
Standard Float Glass
Base density: 2.5 g/cm³
- • Most common type
- • Used in windows
- • Basic glazing
Tempered Glass
Base density: 2.52 g/cm³
- • Safety glass
- • Stronger than float glass
- • Used in doors
Glass Thickness Guide
Recommended Thicknesses
Residential Use
- • Windows: 4-6mm
- • Shower Screens: 6-8mm
- • Balustrades: 10-12mm
Commercial Use
- • Storefronts: 10-12mm
- • Partitions: 8-12mm
- • Display Cases: 6-8mm
Calculate Exact Glass Weight
Need precise calculations? Use our professional glass weight calculator.
Calculate NowFrequently Asked Questions
Why do different glass types have different weights?
Different manufacturing processes and chemical compositions result in varying densities.
How does lamination affect glass weight?
Lamination adds approximately 0.5-1 kg/m² due to the PVB interlayer between glass panes.
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Written by Robert Thompson
Glass Manufacturing Expert
