Website Uptime Calculator

Calculate uptime percentage from downtime. Show annual/monthly/weekly allowed downtime for 99%, 99.9%, 99.99%, 99.999% SLAs.

Calculate Your Uptime

Time Period

Downtime Amount

Downtime Unit

SLA Downtime Reference Table

SLA Level	Common Name	Yearly Downtime	Monthly Downtime	Weekly Downtime	Daily Downtime

Cost of Downtime Estimator

Revenue per Hour ($)

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