MetalShopCalcSpeeds / feeds / threads / tooling

Metal weight

Brass hex bar weight

Density 0.307 lb/in3 (8.5 g/cm3), typical of 360.

SheetWeight table
BasisPublished density
Checked2026-09-24
Quick answer

0.75" hex brass hex bar weighs 1.795 lb per ft (2.67 kg per m). Weight = cross-section area x length x 0.307 lb per cubic inch.

How much does brass hex bar weigh per foot?

SizeArea (sq in)lb per ftkg per m12 ft length, lb
0.25" hex0.05410.1990.302.4
0.375" hex0.12180.4490.675.4
0.5" hex0.21650.7981.199.6
0.625" hex0.33831.2461.8515.0
0.75" hex0.48711.7952.6721.5
1" hex0.86603.1904.7538.3
1.25" hex1.35324.9857.4259.8
1.5" hex1.94867.17810.6886.1
2" hex3.464112.76218.99153.1

Formula: area = 0.866 x across-flats squared; weight = area x length x 0.307 lb/in3. For any other size use the metal weight calculator.

Cut and measure your stock

Frequently asked questions

How do you calculate the weight of brass hex bar?

Multiply the cross-section area in square inches by the length in inches and by the density, 0.307 lb per cubic inch for brass (360). For this shape the area is: area = 0.866 x across-flats squared. A foot of stock is 12 inches, so weight per foot is area x 12 x 0.307.

How does brass compare with steel by weight?

Brass is 8% heavier than carbon steel for the same size: 0.307 lb per cubic inch against 0.2836. The same bar or plate in brass weighs 1.08 times the steel figure.

Other brass shapes

Hex bar in other metals

Keep going

Weights from typical published densities; actual alloys and mill tolerances vary by a few percent. Not an engineering load calculation.