True Cost of Downtime Calculator

Understanding and Quantifying Business Impact

Executive Summary

Downtime costs extend far beyond immediate revenue loss. This calculator helps organisations understand the complete financial impact of system outages and make informed decisions about reliability investments.

£100K-£1M+

Typical cost per hour of downtime for mid-large organisations

Cost Categories

Downtime Cost Calculator

1. Direct Revenue Impact

Annual Revenue: £
÷ 8,760 hours per year = £0 per hour
× % of revenue affected by outage %

Hourly Revenue Loss: £0

2. Employee Productivity Loss

Number of affected employees:
Average fully-loaded cost per hour: £
× Productivity impact factor %

Hourly Productivity Loss: £0

3. Technical Recovery Costs

Engineers responding:
Average cost per engineer hour: £

Hourly Recovery Cost: £0

4. Customer Impact

Support tickets generated:
Cost per support interaction: £
Estimated customer churn: customers
Customer lifetime value: £

Customer Impact Cost: £0

Total Cost Per Hour

Revenue Loss + Productivity + Recovery + Customer Impact

= £0 per hour of downtime

Annual Downtime Cost Projection

Historical Analysis

Major incidents (last 12 months):
Average duration (hours):
Minor incidents (last 12 months):
Average duration (hours):

Total annual downtime hours: 0

Annual Cost Calculation

Total downtime hours: 0
× Cost per hour: £0

Annual Downtime Cost: £0

Prevention ROI

If observability investment reduces downtime by 50-70%, the annual savings would be: £0

Compare this to your observability investment to calculate ROI.