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Metal Weight Calculator

Estimate plate, round bar, hollow pipe or hexagonal stock mass for any alloy using actual density or catalog weight per meter.

Created by:
Jamie C.
Jamie C.

Across her work, Jamie focuses on bridging operational precision with practical technology adoption. She develops industry-specific calculators, software guides, and technical content tailored to the construction, residential living, HVAC, and artificial intelligence sectors. By pairing hands-on systems design with advanced AI and automation workflows, her resources empower trade specialists, contractors, and growing teams to eliminate bottlenecks, forecast project requirements accurately, and run more efficient operations. Fluent in five languages, Jamie approaches every tool and article with an emphasis on clarity, actionable utility, and real-world results.

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Mass = idealized cross-section area × length × actual alloy density × piece count; catalog kg/m may override geometry-based unit mass

Universal Metal Weight Formula and Alloy Densities

The universal metal weight formula is: Weight = Volume × Density. Standard alloy densities include:

  • Aluminum (6061): 0.0975 lb/in³ (2.70 g/cm³)
  • Brass (Yellow / C260): 0.3080 lb/in³ (8.53 g/cm³)
  • Copper (Pure / C110): 0.3240 lb/in³ (8.96 g/cm³)
  • Titanium (Grade 5): 0.1600 lb/in³ (4.43 g/cm³)
  • Stainless Steel (304): 0.2890 lb/in³ (8.00 g/cm³)
  • Structural Carbon Steel: For structural I-beams, channels, and heavy steel angles, use our dedicated Steel Weight Calculator.
Project worksheet

What are your metal weight inputs?

Uses actual entered alloy density, not a generic preset. Idealized dimensions omit fillets, tolerances and coatings; catalog unit weight may override geometry.

Units

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Frequently asked questions

What questions come up about this calculation?

What is the formula to calculate metal weight?

Calculate the cross-sectional volume of the part in cubic inches (Length × Width × Thickness for plates; π × r² × Length for cylinders) and multiply by the specific alloy density in lbs/cubic inch.

How does aluminum weight compare to steel?

Aluminum has a density of approximately 2.70 g/cm³ compared to steel at 7.85 g/cm³. Steel is roughly 2.9 times heavier than aluminum for an identical volume.

Sources

Which sources support this calculation?

  1. NIST: SI units
Created by

Who created this metal weight calculator?

Jamie C.

Across her work, Jamie focuses on bridging operational precision with practical technology adoption. She develops industry-specific calculators, software guides, and technical content tailored to the construction, residential living, HVAC, and artificial intelligence sectors. By pairing hands-on systems design with advanced AI and automation workflows, her resources empower trade specialists, contractors, and growing teams to eliminate bottlenecks, forecast project requirements accurately, and run more efficient operations. Fluent in five languages, Jamie approaches every tool and article with an emphasis on clarity, actionable utility, and real-world results.

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