Website Uptime Impact Calculator
Calculate the financial impact of website downtime on your business. See annual, monthly, and per-incident revenue loss based on your traffic value.
Business Metrics
Downtime Metrics
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Understand Your Downtime Costs
Website downtime directly impacts your revenue. Our uptime calculator helps you understand the true cost of outages and set appropriate SLA targets for your business.
What is Uptime and Why Does it Matter?
Uptime refers to the percentage of time your website or service is operational and accessible. Industry standards aim for '9s' of availability - 99.9% (three nines) allows about 8.7 hours of downtime per year, while 99.99% (four nines) allows only 52 minutes.
Downtime Cost Formula
Revenue Loss = (Hourly Revenue × Downtime Hours) + (Lost Trust × Customer Lifetime Value)Why Calculate Uptime Impact?
Budget Infrastructure
Justify investments in redundancy, monitoring, and high-availability systems.
Set SLA Targets
Determine appropriate uptime guarantees for customers and vendors.
Incident Response
Prioritize outage resolution based on financial impact.
How to Use the Uptime Calculator
Uptime Planning Scenarios
E-commerce Sites
Every minute of downtime means lost sales and abandoned carts.
SaaS Platforms
Downtime affects customer trust and contract renewals.
API Services
Calculate impact on dependent applications and partners.
Media Sites
Lost ad impressions and viewer engagement during outages.
Frequently Asked Questions
99.9% is considered standard for most websites. Critical services often target 99.99% or higher. Each additional '9' significantly reduces allowed downtime but increases infrastructure costs.