Construction

Bolt Circle Calculator

Bolt circle hole layout.

Results

Radius
—
in
Angle Between Holes
—
°
Chord Length
—
in

About the Bolt Circle Calculator

This calculator helps you quickly compute results with precision. Simply enter your values and get instant results.

How to Use

  1. Enter the required values in the input fields
  2. Results update automatically in real-time
  3. Review the calculation steps for transparency

Formula

Angle between holes = 360° ÷ N

Examples

Try different input values to see how the result changes. This helps you understand the relationship between variables.

Formula

Angle between holes = 360° ÷ N

Our calculator uses standard mathematical formulas to provide accurate results. Always verify critical calculations independently.

Yes, all our calculators are completely free with no registration required.

Yes, use the embed feature to add this calculator to your website.

User Reviews

4.5
Based on 311 reviews
Ibrahim A.
5 months ago

I reference this Bolt Circle Calculator in my blog posts. Readers appreciate having a free tool they can trust.

Kevin O.
4 months ago

The Bolt Circle Calculator helped me settle a debate with my coworker. We both got the same answer — case closed!

Chris E.
6 months ago

My team shares this Bolt Circle Calculator link in our group chat now. Clean interface and works great on mobile too.

Ryan J.
2 weeks ago

Our small business uses this Bolt Circle Calculator weekly for budgeting. Reliable numbers without paying for software.