Reliability Toolkit

FMEA RPN Calculator

Compare traditional S × O × D FMEA scores before and after a proposed mitigation.

Engineering inputs

Supported range: 1 to 10. Whole numbers only.

Supported range: 1 to 10. Whole numbers only.

Supported range: 1 to 10. Whole numbers only.

Supported range: 1 to 10. Whole numbers only.

Supported range: 1 to 10. Whole numbers only.

Supported range: 1 to 10. Whole numbers only.

Results

Your calculation

Enter the inputs and select Calculate.

Model notes

RPN is an ordinal screening aid, not an acceptance criterion or AIAG/VDA Action Priority. A reduced RPN does not prove acceptable residual risk.

Further reading

Book References

Practical Reliability Engineering

Patrick D. T. O'Connor and Andre V. Kleyner

5th Edition. Wiley, 2012.

ISBN 9780470979822

Book details