Free MTBF Calculator
5 Steps of Reliability Prediction and MTBF/FR Calculation
1. Select Component Family and Type
2. Select Reliability Prediction Method
3. Select Environment and Temperature
4. Enter Component Parameters
5. Get MTBF and FR
Still calculating MTBF in Excel?
Reliability Prediction Standards
MIL-HDBK-217E-1 Part stress
MIL-HDBK-217F-1 Part count, MIL-HDBK-217F-1 Part stress,
MIL-HDBK-217F-2 Part count, MIL-HDBK-217F-2 Part stress
BELLCORE Issue 5, BELLCORE Issue 6
BRITISH TELECOM HRD4, BRITISH TELECOM HRD5
CNET RDF93 rev 02/95
FIDES Guide 2004, FIDES 2009
GJB/Z 299B Part count, GJB/Z 299B Part stress
GJB 299C Part count and Part stress
Telcordia Issue 1, Telcordia Issue 2
Siemens SN 29500-1
Siemens SN 29500-2005-1 (Siemens Norm)
UTE C 80-810 (RDF2000)
The software package also contains Reliability Data Component Library for active electronic components (IC-Digital, IC-Analog, IC-Memory) and Part Number automatic recognition algorithms for the most popular manufacturers of capacitors and resistors (see user guide for manufacturers list).
You don't need to know MTBF or MTTR formulas in Excel!
Questions Concerning Free MTBF Calculation Software
Is ALD MTBF Calculator free?
Why is it free?
(mainly aerospace, defense, transportation and telecommunications) for over 30 years.
How to use it for reliability prediction?
For operational instructions, please see the MTBF Calculator User Manual - Reliability Prediction with ALD MTBF Calculator.
Where to get it?
How to install it?
Then run the MTBF calculator from your Start menu, "ALD Engineering" menu group.
What if I have problems or questions?
See also:ALD Reliability Prediction Software
ALD Reliability Analysis and Safety Assessment Software
Download ALD Reliability&Safety Software