Calculate uptime percentage, allowed downtime, and SLA compliance for any time period. Essential for DevOps, SREs, and system administrators.
| SLA | Daily | Weekly | Monthly | Yearly |
|---|---|---|---|---|
| 99% | 14m 24s | 1h 40m | 7h 18m | 3d 15h 36m |
| 99.9% | 1m 26s | 10m 5s | 43m 50s | 8h 46m |
| 99.99% | 8.6s | 1m 0s | 4m 23s | 52m 36s |
| 99.999% | 0.86s | 6s | 26s | 5m 16s |
This uptime calculator helps DevOps engineers, SREs, and system administrators calculate service availability, downtime budgets, and SLA compliance. All calculations happen instantly in your browser — no data is sent to any server. Use it to plan maintenance windows, estimate downtime budgets, or verify SLA compliance.