Select the shape
Select the material and grade
Enter the dimensions
Pick the profile you are buying. The letters on each drawing match the input boxes.
As a manufacturer, we at Amigo Impex understand the importance of a genuine and properly working metal weight calculator. Our weight calculator estimates the theoretical weight of a bar, pipe, sheet, flange or wire from its dimensions and grade density. Procurement engineers, fabricators, project estimators and traders use it to price material, plan loads and check invoices before ordering.
To use the metal weight calculator, select the material, then the shape, and then the alloy. Enter the dimensions in inches, millimeters, centimeters, etc, along with the length or quantity. The tool applies the correct density and returns the calculated weight in kilograms. This makes it a practical metal weight calculator in kg for procurement, fabrication and estimation work.
Open the shape picker and choose your profile — round bar, pipe, sheet, ring, wire and more. The drawing stays on screen while you type.
Choose the material family, then the exact grade. That is what sets the density, so a 316L result differs from Inconel 625 or titanium.
Type the sizes in millimetres, centimetres, metres, inches or feet, then add the length and how many pieces you need.
The total updates as you type, alongside weight per piece, kilograms per metre and the pound equivalent.
Material is sold per kilogram and not per piece, so weight drives almost every commercial decision in metal supply. Six benefits come from checking the figure before you buy.
Accurate budgeting
A weight figure turns a drawing into a costed line item in seconds.
Faster enquiries
Send weight with grade and size, and we will quote stock position and price the same day.
Fewer ordering errors
A quick steel weight calculation catches a wrong wall thickness or plate size before cutting.
Better logistics planning
Consignment weight determines packing, freight cost and handling equipment at the site.
Easy invoice checking
Theoretical weight gives you a benchmark against the weighbridge figure on delivery.
Grade-aware results
Density differs across stainless steel, duplex, nickel alloys and titanium, and the calculator accounts for that.
Common questions about how the weight is worked out, why the delivered weight differs, and which shapes and units the tool supports.
The metal weight calculation is done by multiplying volume by density. Volume comes from the shape: a round bar uses 0.7854 x diameter squared x length, while a plate uses length x width x thickness. Density is fixed by the grade, so both inputs must be right.
The calculator returns theoretical weight. Rolling tolerances, ovality and surface finish shift delivered weight by roughly 2 to 5 per cent either way. We invoice against weighed material, so treat the calculated figure as a planning estimate.
Yes. Enter outside diameter, wall thickness and length, and the pipe weight calculator subtracts the bore from the outer volume. Tubes and hollow sections follow the same method. Size ranges are listed on our stainless steel pipes and tubes page.
Yes. Pick inch or foot in the unit dropdown and the calculator converts the input for you. Every result is shown in kilograms with the pound equivalent alongside. To convert by hand, one inch is 25.4 mm and one kilogram is 2.2046 pounds.
The metal weight calculator formula has been given below:
Weight = Volume × Density
The density is determined by the grade you select in the calculator.
