Tubes
Calculate the weight of tubes from outer diameter, wall thickness and length — per piece, per metre and in total.
Inputs
Result
Total weight
- Weight per piece
- 5.33 kg
- Weight per metre
- 0.888 kg/m
Calculation
How is the weight of tubes calculated?
A tube is a hollow cylinder. The cross-sectional area of the tube wall comes from the outer diameter and the wall thickness; times length and density, that gives the weight.
Formula
m = π × s × (D − s) × L × ρ
- D = outer diameter in mm
- s = wall thickness in mm
- L = length in mm
- ρ = density (steel: 7.85 kg/dm³)
Example: a 33.7 × 2.6 mm tube weighs about 1.99 kg per metre. For stainless steel or other materials the respective density is used.
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