THE NEWCOMB SPRING SPRINGULATOR®
- Extension Spring Calculator
The industry's most advanced spring calculator
The Springulator is viewed as the best and most robust spring calculator resource by industry professionals, with easy-to-use functions, reference diagrams and stress charting.
![extension springs](/img/products/ext/thumb-extension.jpg)
Extension Springs
- .007 to .625 Inches In Wire Diameter
- Custom Spring End Options to Meet Your Needs
- Round, Rectangular, Square & Special-Section Wire
Extension Spring Calculator
![Springulator logo](/img/springulator/springulator-logo.png)