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Do you know how much downtime costs your business?

10 September 2018

Downtime - How Much downtime is costing your business

It’s surprising how few businesses understand how much it costs them to be down, be it for an hour, a week or a day. This is purely negligent as understanding these costs at a notepad level is easy and allows you to make measured business decisions on how much to spend to improve your operations and to mitigate risks.

Many businesses assume they could survive with a day’s worth of downtime. But don’t realise the true cost in terms of lost revenue and fixed costs, such as salaries and utilities.

Here are some basic calculations to help you work out how much downtime would cost your business.

How to calculate lost revenue

Often, when calculating the cost of an IT outage or other disaster, businesses will just look at their fixed costs such as the cost per hour of staff in the main. However, the real cost comes from the lost earnings and revenue. The calculation is simple at a basic level:

Lost Revenue = (Weekly Revenue / Weekly Work Hours) * Hours of Downtime

As an example, if your business usually makes £200,000 per week over 40 working hours, a 2-hour outage will result in a simple loss of £10,000. That would be £40,000 a day.

Of course, the type of business is a factor. If it’s a law firm, you’re likely looking at the flat calculation above. If you’re an estate agency you may still be able to operate in the main for a day as your diary and contacts have been synchronised to local devices.

How to calculate fixed costs

During an outage you can’t send your employees home without pay, nor can you just skip the rent for that day. In many business sectors, a serious IT outage will impact a large percentage of the workforce. A few will be fighting fires, but many will be idle and this is where the bulk of fixed costs will come from.

A simple calculation for fixed costs is:

Fixed Costs = Number of Employees * Hourly Wage * Hours of Downtime

As an example, if you have 50 staff and on average they are paid £20 an hour you’d lose £2000 in a 2-hour outage. That would be £8000 for a day’s outage.

In short…

If you use the figures above, you’d be losing £12,000 an hour for a business turning over ~£10 million. Although the calculations are basic, they give insight into the fundamental costs which is enough to start informing your decision-making process regarding business continuity and disaster recovery.

You’d also need to look at other areas where you’d lose money, i.e. you could have reputational damage, recovery costs, etc. But it’s unlikely that you’d need to go into such detail to make measured decisions on how you’re going to control the areas of risks within your business.

You can certainly dive deeper and look at the cost per individual IT system, as these calculations are a good starting point to understand what you need to – and should be – doing to protect your business.

Thanks to the rapid development in technology and the ever-decreasing costs, controlling these risks for a sensible cost is a reality. A £10 million business should be able to protect their IT systems for the cost of an hour’s downtime or less.

Find out what the risks are to your business, where you stand in best practice and how you can reduce your downtime. Register for your business continuity plan review today.

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