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Food Safety Beginner

HACCP Risk Matrix Calculator

Evaluate hazards based on severity and likelihood to determine risk levels and prerequisite program requirements.

Interactive Calculator

Calculation Results

L1
L2
L3
L4
L5
S5
5
10
15
20
25
S4
4
8
12
16
20
S3
3
6
9
12
15
S2
2
4
6
8
10
S1
1
2
3
4
5
Risk Score (Severity x Likelihood)
Risk Category
Action Required

Instructions & Example Calculation

Instructions

Select the severity of the hazard impact (1 to 5) and the probability of occurrence (1 to 5) from the selectors above. Click “Run Calculation” to compute the Risk Score and evaluate compliance controls.

Example Calculation

If Severity is 5 (Critical) and Likelihood is 3 (Possible), the Risk Score is 15 (5 x 3 = 15). A score of 15 represents a High risk category and requires Critical Control Point (CCP) controls.

Frequently Asked Questions

What is the difference between a CCP and an OPRP?

A Critical Control Point (CCP) is a step in a process where a hazard can be prevented, eliminated, or reduced to acceptable levels. An OPRP is an operational prerequisite program identified by hazard analysis as essential to control the likelihood of introducing food safety hazards.

How are severity values defined?

Severity ranges from 1 (Negligible - local discomfort) to 5 (Critical - fatal or severe widespread illness).