# Solid Round Tube Beams Deflection Calculator

Calculate beam deflection of solid round tubes quickly and accurately. Get results with our easy-to-use calculator.

Use this Mechanical Engineering Calculator to calculate the deflection of round tube beams. Simply enter the length, diameter, and wall thickness, select the material from the drop-down menu, and click “Calculate”. The beam deflection value will be displayed in the output panel.

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MI {Solid Round Beams} = \frac{\pi \cdot (OD^4 - ID^4)}{64}

Deflection = \frac{length^3 \cdot force}{3 \cdot E \cdot MI}

Bending Stress = \frac{force \cdot length}{\frac{MI}{0.5 \cdot height}}

**Where:**

- MI = Moment of Inertia
- E = Modulas of Elasticity in psi