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Rivet Size Calculator

Result

Calculated result 6.5 Based on the values entered.
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Rivet Size Calculator Calculate rivet grip length and nominal length for blind (pop) rivets. — free online calculator.

Formula

Grip = material thickness; Rivet length = grip + 1.5 × diameter
  • Rivet Size Calculator calculates its result from Material Thickness, Diameter. It uses the formula Grip = material thickness; Rivet length = grip + 1.5 × diameter. Change any input to recalculate the result instantly.
  • The main inputs are Material Thickness, Diameter. Enter them in the units and format shown in the calculator.
  • Keep measurements and project assumptions consistent before comparing or combining values.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Rivet Size

Inputs
  • Material Thickness: 2
  • Diameter: 3

Using Material Thickness = 2, Diameter = 3, the calculated result is 6.5.

Sample result: Calculating…

Frequently asked questions

What does the Rivet Size calculate?

Rivet Size Calculator Calculate rivet grip length and nominal length for blind (pop) rivets. — free online calculator.

Which values should I enter?

Enter Material Thickness, Diameter using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Grip = material thickness; Rivet length = grip + 1.5 × diameter.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026