Maintenance & Reliability calculator
Downtime Cost per Event Calculator
Price one outage from its duration and financial loss rate. Add the repair and recovery charges that are excluded from that hourly rate.
What this calculator does
- Combine production loss with separate repair and recovery charges for one downtime event.
Formula used
- Event production loss = downtime hours × production loss rate
- Repair and recovery cost = repair parts and labor + recovery and penalty charges
- Total event cost = event production loss + repair and recovery cost
- Event average cost per hour = total event cost ÷ downtime hours
Inputs explained
- Event Downtime: Recorded lost-production duration through stable operating recovery.
- Production Loss Rate: Contribution loss rate excluding separately entered repair and recovery charges.
- Repair Parts and Labor: Repair invoices and labor excluded from the hourly production loss.
- Recovery and Penalty Charges: Startup scrap and confirmed penalties outside repair and hourly loss.
How to use the result
- Best suited to breakdown incident costing, repair business case.
- A nonlinear production loss requires a separate time-based assessment. Reputation and uncertain future penalties are not automatically valued. Positive durations below 0.000001 hour are outside this model’s supported range.
Current U.S. benchmarks
- U.S. manufacturing runs at 75.7% of capacity (Federal Reserve, Aug 2026). New factory orders are up 8.5% year over year (Census).
Common questions
- Can the outage rate include repair labor? Exclude repair labor from the rate when it is entered separately. Each cost must appear once.
- Does restored production erase all lost contribution? No, but recovered sales can reduce the lost contribution. Adjust the hourly rate for recoverable production before calculating.
- Can downtime be zero while charges remain? Yes. A repair may incur charges without lost production; only the event average per stopped hour becomes undefined.
- How should a penalty be entered? Enter the confirmed charge for this event. A possible future contractual exposure needs a separate probability assessment.
Related guides
Last reviewed 2026-10-06.