Calculate how long your website/API can be down
Calculate how long your website/API can be down launched on May 30, 2020 with 101 votes, #396 of 4,813 launches that month and more than 95% of that year's launches. The site was not reachable when checked in September 2026.
In plain words
This tool calculates how much downtime a website or API can tolerate based on service level objectives. It's designed for developers and DevOps engineers who need to understand availability requirements and plan infrastructure accordingly. The calculator helps teams determine acceptable downtime windows for their services, making it useful for setting realistic SLAs and capacity planning decisions.
written from the facts on this page · September 2026
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