Material weight calculator
Choose a shape and material, enter the dimensions, and get weight per meter, total weight and material cost.
- Weight per meter
- Weight per piece
- Total weight
- Estimated material cost
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ToolSteel grade equivalentsFind equivalent grades of steel, stainless, cast iron, aluminum and copper alloys across JIS, GB, AISI/ASTM, DIN/EN and TCVN. Example: 1045 = S45C = C45 = 45.ToolCNC machining cost calculatorEstimate CNC part cost and quote price: material, machine time, setup, tooling, outside processing, scrap and profit, in VND, USD, TWD, CNY, THB and more. Free online.
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📘 Free download: CNC machine buyer's guide 2026 (PDF) →- Values in brackets are typical densities (g/cm³); actual values vary slightly by grade.
Round steel bar weight chart (kg/m)
Formula: round steel bar weight (kg/m) = 0.006165 × D², where D is the diameter in mm and steel density is 7.85 g/cm³. Example Ø50: 0.006165 × 50² = 15.41 kg/m.
| Diameter | kg/m | Diameter | kg/m |
|---|---|---|---|
| Ø10 | 0.62 | Ø35 | 7.55 |
| Ø12 | 0.89 | Ø40 | 9.86 |
| Ø14 | 1.21 | Ø45 | 12.48 |
| Ø16 | 1.58 | Ø50 | 15.41 |
| Ø18 | 2.00 | Ø55 | 18.65 |
| Ø20 | 2.47 | Ø60 | 22.20 |
| Ø22 | 2.98 | Ø65 | 26.05 |
| Ø25 | 3.85 | Ø70 | 30.21 |
| Ø28 | 4.83 | Ø80 | 39.46 |
| Ø30 | 5.55 | Ø90 | 49.94 |
| Ø32 | 6.31 | Ø100 | 61.65 |