First aider calculator: first aiders, fire wardens and first aid kits
Enter the type of business, employees and shifts – the calculator shows the minimum number of first aiders under DGUV Regulation 1, fire wardens under ASR A2.2 and first aid kits under ASR A4.3.
As of October 2026
All insured persons on site at the same time – including part-time and agency workers.
Minimum under DGUV Regulation 1, ASR A2.2 and ASR A4.3
8people
4people
1large first aid kit (DIN 13169)
These are minimum values. Plan cover for holidays, illness and business trips so that enough trained people are present in every shift.
The calculator shows minimum values under the regulations and rules listed. It does not replace the risk assessment and is not legal advice – the requirements of your accident insurance institution are decisive.
How the calculator works
- 1
First aiders under Section 26 DGUV Regulation 1
With 2 to 20 insured persons present, one first aider is required. With more than 20, it is 5 per cent in administrative and retail businesses and 10 per cent in other businesses, rounded up. What counts is the number of people present at the same time – which is why the calculator works per shift.
- 2
Fire wardens under ASR A2.2
As a guideline, 5 per cent of employees is usually sufficient, rounded up and at least one person. More are needed with increased fire risk, many visitors, people with reduced mobility or large premises.
- 3
First aid kits under ASR A4.3
In administration and retail, one small first aid kit is enough for up to 50 employees, in manufacturing and processing up to 20, on construction sites up to 10. Above that, one large kit is needed per started 300, 100 or 50 employees respectively. Two small kits replace one large kit.
- 4
Shifts and absences
First aiders and fire wardens must be available in every shift. Also plan for cover during holidays, illness and business trips – the calculator shows the minimum.
Frequently asked questions
How many first aiders does a company need in Germany?
With 2 to 20 insured persons present, at least one. With more than 20 present, 5 per cent in administrative and retail businesses and 10 per cent in other businesses (Section 26 DGUV Regulation 1). In childcare facilities, one first aider per group of children is required.
Do part-time and agency workers count?
What counts is the number of insured persons present at the same time – everyone actually on site, including part-time and agency workers.
How often do first aiders need refresher training?
Every two years, with refresher training of nine teaching units. The costs of initial and refresher training are usually covered by the accident insurance institution.
Can a first aider also be a fire warden?
Yes, if the person is trained for both roles. Make sure enough people are still available in an emergency – first aid and firefighting may be needed at the same time.
Which first aid kits are required?
Small first aid kits contain supplies according to DIN 13157, large ones according to DIN 13169. How many are needed depends on the type of business and number of employees (ASR A4.3); two small kits replace one large kit.
