Enter the modulus of elasticity, angular deflection, length, width, and thickness of a torsion spring into the calculator to determine the torque.

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## Spiral Torsion Spring Formula

The following formula is used to calculate the torque provided by a spiral spring.

M = [ pi * E * b * t^3 * theta ] / [ 6 * L ]

- Where E is the modulus of elasticity
- b is the material width
- t is the material thickness
- theta is the angle of deflection
- L is the length

## Spiral Torsion Definition

Spiral torsion is the measure of torque of the moment about an axis caused by a helical spring and twisting force.

## Spiral Torsion Example

How to calculate spiral torsion?

**First, determine the modulus of elasticity.**Calculate the modulus of elasticity.

**Next, determine the material width.**Measure the width of the material.

**Next, determine the thickness of the material.**Measure the total thickness.

**Next, determine the length.**Calculate the total length of the spring.

**Finally, calculate the spiral torsion.**Calculate the spiral torsion using the equation above.

## FAQ

**What is spiral torsion?**

Spiral torsion is a measure of the torque or moment provided by a spiral or helical spring.

**What is torque?**

Torque is a measure of force per unit distance.