Official Audit Duration Calculator

Select Management System Standard(s):

ISO 9001 - Quality Management Systems

ISO 14001 - Environmental Management Systems

ISO 45001 - Occupational Health & Safety Management Systems

ISO 13485 - Medical Devices Quality Management

AS9100 - Aerospace Quality Management

IATF 16949 - Automotive Quality Management

Select Environmental Complexity Level:

High: Activities with significant environmental impacts in multiple areas. Common in mining, oil & gas, chemical processing, pulp production, cement manufacturing, or waste processing.
Medium: Moderate impact activities such as food manufacturing, non-metallics, mechanical engineering, and energy distribution.
Low: Assembly operations or light manufacturing with few environmental risks. Common in electronics assembly, retail distribution.
Limited: Office-type environments or support services with minimal environmental aspects (e.g., finance, telecom, education).

Select OH&SMS Complexity Level:

High: High inherent OH&S risk activities — mining, quarrying, construction, oil & gas, chemical manufacturing, metal production, explosives handling.
Medium: Moderate OH&S risk — food processing, light manufacturing, utilities, healthcare, agriculture, transport.
Low: Lower hazard environments — office/administrative, retail, education, finance, telecom, service industries.

Number of Full-Time Equivalent Personnel:

Calculating audit duration based on IAF standards...

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