Aobo Steel Technical Tool

Steel Weight Calculator for Round Bar and Plate

Calculate estimated steel weight in kilograms for common bulk supply sizes. Enter dimensions in millimeters, add quantity, and use the result for inquiry, quotation, and shipment planning.

Estimated weight

0.00 kg

Density: 7.85 g/cm3. Choose a calculator below and enter dimensions.

Round Bar Weight

Use this calculator for hot rolled, forged, peeled, or ground round bar. Input diameter and length in mm.

mm
mm
pcs
Formula: diameter x diameter x length x 0.000006165 x quantity.

Steel Plate Weight

Use this calculator for tool steel plate, flat bar, block, or cut-to-size plate. Input thickness, width, and length in mm.

mm
mm
mm
pcs
Formula: thickness x width x length x 0.00000785 x quantity.
Please enter all required dimensions greater than 0.
Weight is an estimate based on steel density 7.85 g/cm3. Actual order weight may vary with tolerance, machining allowance, cutting loss, and surface condition.