Crawlpedia's spring rate calculator will help you find the correct primary, secondary, and tener spring rates for you IFS, trailing arm, or 4-link suspension.

This Spring Rate Calculator will help you to find an approximate spring rate for your coil-over application. It's easy to use with accurate measurements.

Learn how to calculate the proper spring rate for your QA1 stock mount coilover systems.

Hyperco's spring rate calculator helps you find the specs you need for automotive suspension springs and wheels.

Get your custom coilovers right the first time using our spring rate calculator! Works for single and dual spring setups! Contact us with questions!

Aug 9, 2025 · A coilover spring rate calculator is a specialized tool that computes the spring stiffness needed for a coilover suspension system. The spring rate, often expressed in pounds per inch (lb/in) …

Dec 18, 2025 · Enter the top spring rate (N/m) and the bottom spring rate (N/m) into the Dual Spring Rate Calculator. The calculator will evaluate the Dual Spring Rate.

Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire compression coil springs.

Spring Rate Calculator for Coil Over Mounting Angle When mounting coil overs, check the degree of angle and use this to correct the spring rate

Spring Creator Calculator 5.0 is your go-to solution for accurate spring design. It offers a user-friendly platform for crafting compression, extension and torsion springs, allowing you to tweak parameters …

Note: Rear springs for GM Metric on 9 inch Ford axle will average 12 active coils with .5 diameter wire. Calculating Spring Criteria: Increase wire diameter (d) - increase the spring rate. Increase coil …

Advice and calculators to help you choose the correct spring rates for your Fox, King and Sway-A-Way coilover shocks. Drive Like A Pro with AccuTune.