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316 Stainless Steel Bar Weight Calculator

Enter 316 stainless round bar diameter, length, and quantity for an immediate theoretical weight. Calculations use 0.289 lb/in3 and support inches or millimeters.

Density: 0.289 lb/in³

Weight per piece
2.72lbs1.24kg
Total (1 piece)
2.72lbs1.24kg
pi x (0.500")^2 x 12.000" = 9.425 in3 x 0.289 lb/in3 (316 Stainless)
Continue with this piece

Nox saw-cuts 316 Stainless to size. These dimensions carry into the quote.

Continue to quote

Continue with stainless round bar

Use the calculator's Continue to quote button to carry the current grade and dimensions into the quote builder. The button below starts a new, blank quote.

Weight planning for chloride-resistant 316 bar

316 adds molybdenum for improved pitting and crevice-corrosion resistance, making it a frequent choice for marine, pharmaceutical, chemical, and washdown service. Its nominal density is close enough to 304 that the same rounded value is used here, but the grade should remain explicit on purchasing documents.

Use purchased blank dimensions for logistics and raw-material estimates. Finished machined weight will be lower, especially for bored, turned, or pocketed components.

Weight formulas used by this calculator

Round bar and solid rod

weight = pi x (diameter / 2)^2 x length x density

Diameter is the full outside dimension of solid bar. Tube and bored stock need the hollow internal volume subtracted.

316 bar applications to estimate

  • Marine shafts, fasteners, and pump components
  • Pharmaceutical and chemical-processing hardware
  • Washdown equipment and chloride-exposed fixtures
  • Corrosion-resistant pins, tie rods, and supports

316 stainless bar theoretical weights

Use the reference rows for early material planning and the calculator for exact nonstandard cut lengths or metric stock.

Solid 316 Stainless round bar. Values exclude hollow tube and machining stock removal.
Diameterlb / ftkg / m6 ft length12 ft length
0.25"0.170.251.02 lb2.04 lb
0.5"0.681.014.09 lb8.17 lb
0.75"1.532.289.19 lb18.4 lb
1"2.724.0516.3 lb32.7 lb
1.25"4.266.3325.5 lb51.1 lb
1.5"6.139.1236.8 lb73.5 lb
2"10.916.265.4 lb130.7 lb
3"24.536.5147.1 lb294.2 lb
4"43.664.9261.5 lb523.0 lb

Frequently asked questions

What density is used for 316 stainless bar?

The calculator uses 0.289 lb/in3, or approximately 8.00 g/cm3.

Does 316 weigh more than 304?

Published values vary slightly by composition, but this estimating tool uses the same rounded density for 304 and 316, so identical dimensions return identical weights.

How do I estimate a metric 316 shaft blank?

Select millimeters, enter diameter, cut length, and quantity, and the calculator converts volume before returning pounds and kilograms.

Does surface finish change bar weight?

A normal mill or ground finish changes weight negligibly for estimating; dimensional stock removal is what matters.

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