Effortlessly determine the right wrench size by measuring the flat sides of the bolt or nut with a caliper. Use the closest matching wrench, slightly larger than the measured width, for a secure grip without causing damage
Use the Right Wrench Size Calculator with SAE metrices, it will calculate automatically your size based wrench for your Suitable work and graph for wrench size calculations will help you get the right tool
A Quick Way determine the Correct Size Wrench on Nut or bolt for Socket wrench , impact wrench, allent wrench and Adjustable Wrenches
Wrench Size Finder
Our Team
Meet the Team
Expert Craftsmen Dedicated to Providing the Best Wrench Solutions
With a keen eye for detail, Emily ensures the reliability and accuracy of all our tools and content. Her rigorous testing process helps maintain the high standards our users expect.
Sarah is passionate about making complex mechanical concepts simple. She leads our content strategy, ensuring all articles and guides are well-researched, accurate, and user-friendly to support both DIYers and professionals.
David has a background in mechanical tool design, focusing on creating innovative solutions for printable allen & hex wrench also. He played a key role in developing our Wrench Size chart Calculator, ensuring it delivers accurate results tailored to user needs.