Calculate your Requirements

for First Aid and Health and Safety

Our calculator is being upgraded, please check back shortly. The information below is also helpful and offers valuable guidance.

Please note, the calculators and checklists are for guidance only and do not replace the need for a full first aid needs assessment and fire risk assessment in your workplace

Do you have the right first aid and fire marshal cover for your workplace or school?

All employers are legally responsible to ensure that:

There is appropriate first aid cover for staff and visitors in the event of an accident
There are enough fire marshals for their workplace
There is sufficient fire safety cover at all times

It only takes a few details to find out which training and supplies are right for you, based on Health and Safety Executive (HSE) regulations.

Working out what you need:

Assessing your First Aid requirements

The number of first aiders needed is determined by a combination of the number of people you employ the level of hazard that your operations present, the layout and size of your workplace and work patterns such as shifts. The number differs from employer to employer and a thorough risk assessment is required to determine what is appropriate for your operation. 

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First Aider ratios

As a rule of thumb, if you operate at a higher hazard, you should have 1 first aider with a first aid at work certificate for every 50 people employed on site at all times. For lower hazard employers, it is 1 first aider for the first 25 people employed on site at all times, then 1 extra for every 100 people employed. 

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First Aid cover across your site

If you operate over several floors, a large site or have a shift pattern, you need to ensure the same provision is provided across your whole site and at all times your workplace is open. If you have a multi-use site that has a variety of operations, for example an office plus light manufacturing on site, you need to ensure that enough trained first aiders are provided based on the varying hazards of different parts of your site. The HSE also advises that you take into account if parts of your site are open to members of the public and ensure sufficient first aiders are provided. 

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First Aid and Fire Safety checklists

Download our free printable First Aid and Fire Safety checklists to help you get first aid and health and safety provision right in your workplace.

First Aid Checklist (PDF) Fire Safety Checklist (PDF)

Recruiting First Aiders and Fire Marshals?

These handy First Aid and Fire Marshal recruitment guide posters can help you identify those best suited to becoming First Aiders or Fire Marshals in your workplace.

First Aid Guide (PDF) Fire Marshal Guide (PDF)