Calculator
Maintenance cost calculator
Compares what you spend each year to maintain your assets with what it would cost to replace them. It's the most widely used cost metric for comparing different plants.
Result
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Reference ranges are indicative and vary by industry, asset type and operating regime. Nothing you type leaves your browser.
Cost over replacement value
Dividing maintenance cost by replacement value lets you compare different plants and years, regardless of size.
Low cost isn't always good: if it falls while MTBF falls too, maintenance is being deferred, not optimized.
Frequently asked questions
How do you calculate maintenance cost as a percentage of replacement value?
Divide the annual maintenance cost (labor, contractors, parts and materials) by the replacement value of all maintained assets.
What is a good percentage?
The 2% to 5% range is the most widely cited for industry. Below 3%, it's worth checking that maintenance isn't being deferred.
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