Uptime Targets

What Does 99.999% Uptime Mean?

Calculate the exact allowed downtime budget for 99.999% availability, view industry standards, and copy ready-to-use SLA contract clauses.

99.999% Allowed Downtime Budget

Daily Downtime

0s

Allowed in 24h window

Weekly Downtime

6s

Allowed in 7-day window

Monthly Downtime

26s

Allowed in 30.4 days

Yearly Downtime

5m 15s

Allowed in 365 days

Understanding Five Nines Availability (Carrier Grade) (99.999%)

A 99.999% availability target represents "Carrier Grade" reliability. It allows only 26 seconds of downtime in an entire month. Achieving this is exceptionally difficult and costly, requiring active-active global clustering, zero-downtime rolling database upgrades, and high network redundancy.

Industry Uptime Standard

Reserved for critical utility infrastructure, core banking services, telecommunication networks, and health systems.

SLA Clause Template
Carrier Grade Service Guarantee: Provider guarantees a Service Uptime of 99.999% during each calendar month. Outage duration calculations begin immediately at the moment of packet loss confirmation across three distinct global edge nodes and end once the handshake succeeds.

Meet Your Uptime Commitments

Avoid costly SLA credit payouts. Setup real-time monitoring on Pingzo and get alerted on WhatsApp, Discord, or Telegram the second your website or API drops.