SLA Uptime Calculator
Turn an uptime target into the downtime you can actually afford: per day, week, month, quarter and year. The numbers behind every SLA promise.
Based on a 30-day month, 90-day quarter and 365-day year.
What watches these brands watches your clients too
End the manual growth tax.
Running checks by hand eats valuable agency time. Uptimeify monitors your entire client portfolio from one place: on a fair, organization-wide quota model, on secure EU infrastructure. No per-client fees, no surprises.
Frequently asked questions about SLA Uptime Calculator
Allowed downtime is simply the share of a period your service is permitted to be unavailable: (100% − uptime target) × period length. For example, 99.9% uptime allows 0.1% downtime, about 43m 12s per 30-day month, or 8h 45m 36s per year. We use a 30-day month, 90-day quarter and 365-day year.
Yes. It runs entirely in your browser, nothing is sent anywhere. As a European, EU-hosted provider, Uptimeify keeps your whole monitoring workflow off US infrastructure and clear of US Cloud Act exposure, which matters when you handle client data under GDPR.
Pick the uptime number you can defend, show the downtime budget it implies, and write it into your client SLA. Then let Uptimeify enforce it: it tracks real uptime per monitor, warns you before you burn the budget, and generates white-labeled SLA reports that prove you delivered.
Ready to Run Your SLA on Data Instead of Math?
The calculator shows how much downtime your target allows. Uptimeify shows how much you actually had, with uptime history and automated reports in your own branding.