Bar Weight Calculator
Choose the shape, grade and size to calculate theoretical stainless steel bar weight for 304, 316, 2205, 2507 and other common stainless grades.
Enter the bar size and length to calculate theoretical weight.
Example calculation
304 round bar, 20 mm diameter, 6 m per piece, 10 pieces.
Theoretical result: about 2.49 kg/m, 14.95 kg per piece and 149.48 kg total.Stainless steel bar weight calculator FAQ
Is this calculator for actual shipment weight?
No. It gives theoretical weight. Final shipment weight may vary with tolerance, finish, cutting loss and production condition.
Why do different stainless steel grades use different densities?
Different alloy compositions have slightly different nominal densities, so grade selection can change the calculated weight.
Can I calculate 2205 or 2507 duplex stainless steel bar weight?
Yes. Choose the 2205 / S31803 / S32205 or 2507 / S32750 density option. The result is theoretical weight based on nominal density, not final shipment weight.
What should I use for hex bar size?
Use the across-flats dimension, not the corner-to-corner distance.
Can I use the result for a quotation request?
Yes, as a first estimate. For quotation, also send grade, exact size, length, quantity, finish and destination.
Continue with the right bar page
Stainless Steel Bar
Review the main bar hub for grades, shapes, finishes and stock paths.
Stainless Steel Round Bar
Review round bar grades, diameter language and machining use cases.
Stainless Steel Hex Bar
Review hex bar by across-flats size, grade and CNC application.
Duplex Stainless Steel Bar
Review 2205, S31803, S32205 and 2507 duplex bar for marine, chemical and high-strength corrosion-resistant parts.
Round Bar Weight Calculator
Use the dedicated round bar tool when only diameter, length and quantity matter.
Hex Bar Weight Calculator
Use the dedicated hex bar tool when across-flats size is the main input.
How to Use Stainless Steel Calculators
Choose the right weight calculator, tolerance lookup or grade lookup before quotation.
If you need another shape, feel the calculator is not convenient enough, or think a result may be wrong, please tell us at server@steelfromcn.com.
Need a quote after checking the weight?
Send the grade, size, length, quantity and destination. We can review stock condition, cutting path and export support.
Contact Sales Team