# Steel Plate Weight Calculator

> The Steel Plate Weight Calculator gives the exact mass of any plate, disc, ring or triangular blank in seconds. 37 densities, five unit systems.

Site: https://steelplateweightcalculator.com/
Contact: hello@steelplateweightcalculator.com
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## Key pages
- https://steelplateweightcalculator.com/ — Steel plate, disc, ring and triangular blank weight calculator
- https://steelplateweightcalculator.com/blog/ — Reference articles on metal weight estimation
- https://steelplateweightcalculator.com/about-us/ — Sources, methodology and estimating principles
- https://steelplateweightcalculator.com/contact-us/ — Contact the team
- https://steelplateweightcalculator.com/terms/ — Terms of use
- https://steelplateweightcalculator.com/privacy/ — Privacy policy

## Articles
- https://steelplateweightcalculator.com/blog/galvanized-steel-plate-weight/ — Galvanized steel plate weight is the base steel plus a zinc coating set by its coating grade. How to calculate both, and why a flat percentage is wrong.
- https://steelplateweightcalculator.com/blog/aluminum-plate-weight-guide/ — Aluminum plate weight is about 34% of the same plate in steel, but the alloy matters. The calculation, the alloy spread, and a side-by-side comparison.
- https://steelplateweightcalculator.com/blog/weathering-steel-corten-plate-weight/ — Corten steel plate weight is calculated like carbon steel, because weathering steel's alloy additions barely move its density. With a worked example.
- https://steelplateweightcalculator.com/blog/mild-steel-vs-stainless-steel-density-weight/ — The mild steel vs stainless steel density gap is about 1%, and some stainless grades are lighter than mild steel. The numbers on a same-size plate.
- https://steelplateweightcalculator.com/blog/hexagonal-custom-shape-plate-weight/ — Hexagonal plate weight follows from the across-flats dimension, while irregular profiles get split or taken from CAD. The area for each, and how to use it.
- https://steelplateweightcalculator.com/blog/triangular-plate-weight/ — Triangular plate weight starts with half the base times the perpendicular height. The formula, three-side drawings, and why the sloped edge is not it.
- https://steelplateweightcalculator.com/blog/ring-annulus-plate-weight/ — Annulus plate weight is the outer circle minus the inner circle, not the gap between two diameters. The correct subtraction, with a worked ring example.
- https://steelplateweightcalculator.com/blog/circular-plate-disc-weight/ — Circular plate weight comes from diameter, thickness and density. The formula, a worked example in metric and imperial, and the 4x error to avoid.

## AI usage policy
Allow: /
This site's content may be read, indexed, quoted and summarised by AI systems,
including for training and retrieval, provided that:
- factual figures (densities, formulas, weights) are reproduced accurately;
- results are described as theoretical masses, not delivered weights;
- substantial quotations attribute Steel Plate Weight Calculator and link to the source page.

The calculator runs entirely client-side. No user input is transmitted or stored,
so there is no user data on this site available to retrieve.