Occupational Safety Tools

Occupational safety and ergonomics calculators

Available Tools

• NIOSH Lifting Calculator: Calculate recommended weight limit using NIOSH lifting equation
• Heat Stress (WBGT) Calculator: Calculate Wet Bulb Globe Temperature for heat stress assessment
• Fall Clearance Calculator: Calculate minimum fall clearance distance for fall protection
• Respirator MUC Calculator: Calculate Maximum Use Concentration and select appropriate respiratory protection
• Ventilation Rate Calculator: Calculate required ventilation airflow for indoor spaces
• Ladder Angle Calculator: Calculate safe ladder placement angle per OSHA 4:1 rule
• Illuminance Calculator: Calculate required number of luminaires using the lumen method
• Thermal Comfort (PMV/PPD) Calculator: Calculate Predicted Mean Vote and dissatisfaction per ISO 7730
• Ergonomic Risk (REBA) Calculator: Assess posture risk using Rapid Entire Body Assessment
• Arc Flash Calculator: Calculate incident energy and PPE category per IEEE 1584
• Confined Space Assessment: Assess atmospheric hazards for confined space entry per OSHA
• Noise Exposure Calculator: Calculate daily noise dose and TWA for OSHA/NIOSH compliance across multiple work periods
• HAVS — Hand-Arm Vibration Calculator: Calculate daily hand-arm vibration exposure A(8) per EU Directive 2002/44/EC
• Mixed Gas LEL Calculator: Calculate lower explosive limit of gas mixtures using Le Chatelier's rule