To calculate MTBF, divide the total operating time by the number of failures that occurred during that period. This gives an average value that helps estimate the expected lifespan of a system or component. The formula is:
MTBF = (Total Operating Time – Total Downtime) ÷ Number of Failures
To calculate MTBF in Excel, you need to divide the total operating time by the number of failures using the following formula:
MTBF in Excel = Total Operating Time ÷ Number of Failures
The formula for MTBF is:
MTBF = Operating Hours ÷ Number of Failures
To calculate MTBF, divide the total operating hours by the number of failures during that period. Additionally, a free MTBF calculator can help you determine reliability and accurately predict the maintenance needs of machines and components.