INTERACTIVE CALCULATOR

Risk Matrix Calculator

Select likelihood and severity to calculate the risk score and risk level instantly.

1

DEFINE INITIAL RISK

Select likelihood and severity for the current situation.

Risk Score
9
Medium Risk
Recommended Actions
  • ✓Review existing control measures.
  • ✓Inform the site supervisor.
  • ✓Monitor the risk during the work.
2

DEFINE CONTROL MEASURES

Describe existing or planned control measures.

0 / 1000
3

CALCULATE RESIDUAL RISK

Evaluate likelihood and severity after controls.

Residual Risk Score
4
Low Risk
✓ RISK INTERPRETATION

Residual risk is at an acceptable level after controls.

Generate and download the detailed risk report.
◈
INITIAL RISK
9Medium Risk
Likelihood: 3×Severity: 3
◇
RESIDUAL RISK
4Low Risk
Likelihood: 2×Severity: 2
56%
RISK REDUCTION

Risk reduced by 56%.

5 × 5 RISK MATRIX

Risk Level Overview

View the selected likelihood and severity position on the matrix.

Risk Score
9Medium Risk
S × L
L1
L2
L3
L4
L5
S5
5
10
15
20
25
S4
4
8
12
16
20
S3
3
6
9Initial Risk
12
15
S2
2
4Residual Risk
6
8
10
S1
1
2
3
4
5
LOW
1 – 4
MEDIUM
5 – 9
HIGH
10 – 16
EXTREME
17 – 25
SELECTED VALUES
Likelihood: 3•Severity: 3
Calculation
3 × 3 = 9