**Related Resources: calculators**

### Spring Helix Wire Length Formula and Calculator

**Manufacturing Processes and Design
Spring Design and Engineering **

**Spring Helix Wire Length Formula and Calculator **

Length of spring coil helix formula;

*l* = *π · D _{m} · i + 2 · π · D_{m}*

*or*

*l* = *π · D _{m} · ( i + 2 )*

Where:

*l* = effective length of the helix,

*i* = Number of active coils,

*D _{m}* = mean coil diameter

References:

Mechanical and Metal Trades Handbook, 2nd Edition

2010

Ulrich Fischer, Roland Gomeringer, Max Heinzler, Roland Kilgus, Friedrich Naher, Stefan Oesterle, Heinz Paetzold, Andreas Stephan

Related:

- Equal Spacing Formulas and Calculator
- Sprocket Chain Length Formulae and Calculator
- Length and Equivalents Conversion Calculators
- Minimum Length of Thread Engagement Formula and Calculations Per FED-STD-H28/2B
- Rods Units Length Conversion Calculator
- Ladle Shape Formed Center Line Length Equation and Calculator
- Vee Wing Formed Rebar Center Line Length Equation and Calculator
- Open Rectangle Offset Formed Rebar Center Line Length Equation and Calculator
- Multiple Bends Formed Re-bar Center Line Length Equation and Calculator
- Rectangle with Chamfer Center Line Length Equation and Calculator
- Channel Flanged Formed Rebar Center Line Length Equation and Calculator

* Link to this Webpage*:

**© Copyright 2000 - 2022, by Engineers Edge, LLC www.engineersedge.com All rights reserved
Disclaimer
| Feedback | Advertising
| Contact **