Downtime Cost Calculator

Igor Verentsov

Estimate the full financial impact of website downtime: revenue, engineering response, SLA credits, and reputation.

TL;DR:

Downtime Cost Calculator shows how much revenue a business loses per minute of downtime. Based on traffic, conversion rate, average order value. Helps justify monitoring and failover budgets.

Incident inputs

Currency

Downtime duration (min)

Annual revenue

Affected users (%)

Engineers responding

Engineer hourly rate (burdened)

SLA credit (% of monthly)

Web revenue share (%)

Incidents per year

Revenue lost per minute

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Revenue lost per hour

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Revenue lost per incident

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Annual revenue lost

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How to Calculate the True Cost of Website Downtime?

Real downtime cost is more than lost revenue per minute. Engineers respond, recovery takes longer than the outage itself (mitigation × 1.5 in our model), SLA credits eat into monthly revenue, and reputational damage compounds. Use this calculator to justify investments in monitoring, redundancy, and on-call tooling.

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Downtime Cost Calculator

Incident inputs

How to Calculate the True Cost of Website Downtime?

Related guides

Monitoring without surprises

The cost of downtime is learned after the downtime