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# Section Modulus - Unit Converter

The Elastic Section Modulus of a beam is the ratio of the cross section Area Moment of Inertia to its greatest distance from the neutral axis.

For a simple solid Square the Section Modulus can be expressed as

Sx = Sy = a3 / 6                                         (1)

where

S = Elastic Section Modulus - related to bending around x vs. y axis (m3, cm3, ft3, in3)

a = square side distance (m, in, ft..)

### Converter

Section Modulus - Unit Converter
Convert fromMultiply with
Convert to
m3cm3ft3in3
m3 1 106 35.31466 61,023.76
cm3 10-6 1 3.5 10-5 6.1 10-2
ft3 0.02831685 28373 1 1728
in3 0.00001638706 16.38 5.78 10-4 1

#### Example - Convert Section Modulus in unit in3 to cm3

12 in3 can be converted to cm3 by multiplying with 16.38 - as

(12 in3) (16.38 cm3/in3) = 196.6 cm3

## Related Topics

### • Beams and Columns

Deflection and stress in beams and columns, moment of inertia, section modulus and technical information.

### • Mechanics

The relationships between forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.

## Related Documents

### American Wide Flange Beams

American Wide Flange Beams ASTM A6 in metric units.

### Area Moment of Inertia - Typical Cross Sections I

Typical cross sections and their Area Moment of Inertia.

### Area Moment of Inertia Converter

Convert between Area Moment of Inertia units.

### Center of Gravity

A body and the center of gravity.

### Modulus of Rigidity

Shear Modulus (Modulus of Rigidity) is the elasticity coefficient for shearing or torsion force.

### Pipe and Tubing Formulas

Pipe and Tube Equations - moment of inertia, section modulus, traverse metal area, external pipe surface and traverse internal area - imperial units

### Unit Factor Method

Convert between units with the unit factor or factor-label method

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