Fatigue Life Estimator
Estimate high-cycle fatigue life from Basquin stress-life constants.
Cycles to failure
524,288
log10 N = 5.720
Reversals to failure
1,048,576
2Nf
Basquin S-N point
The stress-life line maps cyclic stress amplitude to the predicted cycles to failure.
log10 N 5.72
Cycles to failure
524,288
log10 N = 5.720
Stress amplitude
250.0 MPa
1,000 MPa coefficient
Basquin exponent
-0.100
negative slope of the stress-life line
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
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