"It Was Only a Few Minutes" — Downtime Costs More Than You Think
When an outage hits, engineering teams naturally focus on root cause and recovery. But for leadership and business stakeholders, the more pressing question is: how much revenue did this outage actually cost? For revenue-generating services like e-commerce or payments, even a few minutes of downtime can translate into a substantial dollar loss.
This calculator divides monthly revenue by 30 days × 24 hours × 60 minutes to get average revenue per minute, then multiplies that by the actual outage duration to estimate revenue loss. Adding extra costs — incident response labor, customer compensation, emergency maintenance — gives a more accurate picture of what one outage really costs the organization. This number is useful for setting SLA targets or building a case for investing in incident response infrastructure.
The key to lowering downtime cost is reducing how often outages happen and how fast you detect and recover from them. Solid monitoring and alerting, paired with a pre-written incident runbook, can dramatically reduce your mean time to recovery (MTTR). Use this calculator regularly against your actual revenue to prioritize infrastructure investments.
FAQ
This calculator uses a monthly average. If the outage hit peak hours, actual loss could be higher than the average — treat this as a reference figure.
No. This calculator only reflects direct revenue loss and response costs — long-term trust and churn effects should be considered separately.
Fast detection and recovery through monitoring, alerting, and a pre-built incident runbook is the most effective way to reduce mean time to recovery.