Angle weight calculator
Mass of an equal or unequal angle from its legs, thickness and length.
Inputs
mm
mm
mm
mm
Result
0.000kg
(0.1 + 0.1 − 0.1) × 0.1 × 0.1 mm
Formula
W = (a + b − t) × t × L × 7.85 × 10⁻⁶ [kg, mm]
An estimate for take-off, not a design check. Structural design, member sizing and connection capacity are separate calculations made by the responsible design authority.
Assumptions and limits
- Approximates the section as two overlapping flat legs, subtracting the corner counted twice.
- Ignores the root radius, which rolled angles have. Nominal masses in IS 808 are therefore about 1–2% higher than this result for typical sizes.
- For a quotation or a weighted load, use the IS 808 nominal mass; use this for a quick take-off.
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