Downtime Cost Calculator
Estimate what an outage actually costs. Combine lost revenue and lost productivity to quantify the price of every hour of downtime.
Estimated cost of this outage
$12,415
$2,404 of revenue per hour at risk
Lost revenue
$9,615
Lost productivity
$2,800
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How to Use This Calculator
Enter annual revenue and number of employees affected.
Add average hourly wage, outage duration, and % productivity lost.
We compute revenue-per-hour loss plus blocked labor cost.
See the total cost of the outage.
Frequently Asked Questions
How do you calculate the cost of downtime?
Add lost revenue (revenue-per-hour × outage hours) to lost productivity (affected employees × hourly wage × hours × % blocked). The sum is your downtime cost.
How is revenue-per-hour estimated?
Annual revenue ÷ ~2,080 working hours gives a simple revenue-per-hour figure. For 24/7 businesses, divide by 8,760 hours instead.
Why include productivity, not just revenue?
Even if no sale is lost, idle employees still get paid while unable to work. That blocked labor is a real, often larger, cost of downtime.
What productivity-loss % should I use?
Depends how much of the team the outage blocks. A full system outage may block 80–100%; a single-tool outage might block 30–50%. Estimate conservatively.
How does this justify reliability spend?
If a few hours of downtime costs more than a year of better infrastructure or a backup tool, the investment pays for itself the first time it prevents an outage.
Why Use This Calculator
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Quantify lost revenue and lost productivity per outage
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See revenue-per-hour at risk
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Justify investment in reliability and uptime
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Model outages of any length
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VP of Marketing, SaaS Company