Interactive Calculators
Safety Tools & Calculators
Data-driven tools to help safety professionals make informed decisions and ensure workplace compliance.
These tools are for general informational use only and do not replace site-specific review by qualified safety professionals. See our Terms of Service for details.
TRIR Calculator
Calculate Total Recordable Incident Rate (TRIR) and DART rate for OSHA compliance reporting and safety program evaluation.
Open tool fall protectionFall Protection Calculator
Determine OSHA-compliant fall clearance distances for personal fall arrest systems, considering lanyard length and deceleration.
Open tool environmentalHeat Stress Calculator
Estimate WBGT to assess heat stress risks and get recommended work/rest schedules based on ACGIH/NIOSH guidelines.
Open tool environmentalNoise Exposure Calculator
Evaluate workplace noise exposure levels (TWA and Dose %) based on OSHA 29 CFR 1910.95 standards.
Open tool heavy equipmentCrane Swing Radius Tool
Calculate crane swing radius and hazard zone boundaries for lift planning and OSHA 1926.1424 compliance.
Open tool excavationExcavation & Trenching Calculator
Determine OSHA-compliant sloping, benching, or shoring requirements based on soil type and excavation depth.
Open tool formsPre-Task Plan (PTP) Form
Identify task-specific hazards, coordinate with nearby trades, and confirm safety controls before work starts.
Open tool formsJob Hazard Analysis (JHA) Form
Break down tasks, identify hazards, assess risk, and implement controls using the hierarchy of controls.
Open tool ergonomicsNIOSH Lifting Equation Calculator
Assess manual lifting risk and determine a Recommended Weight Limit (RWL) to prevent lower back injuries.
Open tool electricalArc Flash Calculator
Estimate incident energy to determine Arc Flash Boundary and required PPE level per NFPA 70E standards.
Open tool confined spaceConfined Space Ventilation Calculator
Calculate air exchanges and fan run time needed to achieve a safe atmosphere before confined space entry.
Open tool risk assessmentRisk Assessment Matrix Tool
Perform qualitative risk assessments with a 5x5 matrix to score and prioritize workplace hazards.
Open tool fall protectionLadder Safety Calculator
Ensure proper setup angle using the 4-to-1 rule with correct base distance, ladder length, and working heights.
Open tool electricalMAD Calculator
Calculate OSHA minimum approach distances for work near energized high-voltage lines per 29 CFR 1910.269 and 1926.960.
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