What does downtime cost your business?
Enter how long your site was down, or goes down regularly, and what runs through it. See what that costs you.
- Cost per minute offline
- -
- Cost per hour offline
- -
- Lost sales
- -
- Lost staff time
- -
- Equals an uptime of
- -
Assumes sales are spread evenly over the day. An outage at your busiest hour costs more, one at night less.
Talk to us about keeping your site up →How it's calculated
Lost sales
Your monthly revenue through the site, spread evenly over every hour, times the share of sales that do not come back after an outage.
Lost staff time
People who cannot work while the site or server is down, times their hourly cost.
Cost of the outage
Lost sales plus lost staff time per hour, times how long the site is down. For repeat outages, times how often they happen in a year.
How much downtime does each uptime level allow?
Uptime percentages look close together, but the difference in hours offline is large.
| Uptime | Per year | Per month | Per week | Per day |
|---|---|---|---|---|
| 99% | 3.7 days | 7 h 18 min | 1 h 41 min | 14 min |
| 99.5% | 43 h 48 min | 3 h 39 min | 51 min | 7 min 12 s |
| 99.9% | 8 h 46 min | 44 min | 10 min | 1 min 26 s |
| 99.95% | 4 h 23 min | 22 min | 5 min 3 s | 43 s |
| 99.99% | 53 min | 4 min 23 s | 1 min 1 s | 9 s |
| 99.999% | 5 min 15 s | 26 s | 6 s | 1 s |
Common questions
What does 99.9% uptime mean?
How do you calculate the cost of downtime?
What is an uptime SLA?
What uptime should a business website aim for?
What causes website downtime?
How do I know how much downtime my site has?
Does downtime hurt SEO?
Want a hand with what you found?
Two short steps. The people who'd do the work read it and reply within one working day.
Thanks, it's with us.
The people who'd work on it will reply within one working day, usually sooner.
Rather talk it through straight away?
Pick a time for a call- Read by the people who do the work, not a sales team
- We'll tell you honestly if we're not the right fit
- No mailing list, no follow-up funnel
Prefer to talk it through?
Book a free call