Calculators

This page brings together the interactive calculators of the knowledge base. They run directly in your browser; nothing is sent or stored. Each calculator belongs to an article that explains the background, the formulas and the pitfalls. The results are indicative: use them as a starting point and check them against the standard, the law or your own risk assessment.


📏 Safety distance according to ISO 13855

Calculates the minimum distance between a light curtain, safety mat or two-hand control and the hazard zone, using the 2010 edition formulas. Background: ISO 13855.


⏱️ Availability from MTBF and MTTR

Calculates availability and expected downtime per year, also for components in series or in a redundant setup. Background: MTBF, MTTR and High Availability.


🔢 CVSS 3.1 base score

Calculates the base score and vector string of a vulnerability according to the FIRST specification. Background: CVSS.


⚖️ Is your organisation in scope of the Dutch Cybersecurity Act?

A first assessment based on sector and size. Background: Cybersecurity Act Scope and Cybersecurity Act.


🛡️ Security Level according to IEC 62443

Gives the indicative target Security Level based on the attacker a zone must withstand. Background: Security Level and IEC 62443.