Estimate the theoretical stress concentration factor and resulting peak stress at common geometric discontinuities.
Reference: Peterson's Stress Concentration Factors (approximation)Stress Concentration Factor (Kt) Calculator
Inputs
Results
- Stress Concentration Factor (Kt)
- 2.06
- Maximum Local Stress
- 206.3MPa
Formula Used
⚠ For preliminary design and educational use only. Verify all results against applicable codes and standards before use in production or safety-critical applications.
About this calculator
Part of our Mechanical Calculators collection. Beams, bolts, springs, gears, bearings, and core ME calculations.
How it works
Estimates theoretical stress concentration factors (Kt) for common stress raisers — shoulder fillets, circular holes, and semicircular notches in plates and shafts.
Enter your values in the inputs above and click CALCULATE. Results appear on the right without a page reload. No login and no server upload.
Privacy and accuracy
Every calculation runs locally in your browser. Your design data never leaves your device. Results are intended for preliminary engineering work. Always verify critical designs with qualified review and applicable standards before production use.
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