Safety Topic · 16 articles
Safety calculations are essential for effective risk management and decision-making. This section provides a range of safety calculators for workplace analysis, including tools for risk assessment and PPE requirements. These resources help improve accuracy, save time, and support better safety planning for professionals and students.
The DART Rate stands for Days Away, Restricted, or Transferred Rate, and is a workplace safety metric used to track more serious recordable incidents—those that result in time off work, restricted duty, or job transfer. This rate helps employers monitor…
The Severity Rate is a workplace safety metric used to measure the seriousness of injuries by calculating the number of lost workdays due to occupational incidents. Unlike frequency-based metrics that focus on how often incidents happen, severity rate focuses on…
The Near Miss Frequency Rate (NMFR) is a proactive safety metric used to measure how often near-miss incidents occur in the workplace. A near miss is an unplanned event that didn’t result in injury, illness, or damage—but had the potential…
The Fatality Rate is a critical workplace safety metric used to measure the frequency of fatal occupational incidents over a specific number of work hours. It provides a standardized way to track and compare the risk of death across industries,…
The Heat Stress Index, commonly measured using the Wet Bulb Globe Temperature (WBGT), is a comprehensive indicator of heat stress in the workplace or outdoor environments. It combines air temperature, humidity, wind speed, radiant heat, and sunlight to estimate how…
Air Changes per Hour (ACH) is a key ventilation metric that measures how many times the air within a defined space (like a room or building) is completely replaced with fresh air in one hour. It’s essential for indoor air…
A radiation dose measures the amount of ionizing radiation energy absorbed by the body or an object. It's a critical metric in fields like nuclear medicine, radiology, radiological protection, and health physics to ensure safety and minimize exposure risks. The…
The Risk Priority Number (RPN) is a key metric used in Failure Mode and Effects Analysis (FMEA) to evaluate and prioritize potential risks in a process, product, or system. It helps identify which failure modes need immediate attention by quantifying…
The Lost Time Case Rate (LTCR) is a workplace safety metric used to calculate the number of work-related injury or illness cases that result in time away from work. It is expressed per 100 full-time employees and helps organizations assess…
The Lost Workday Rate (LWR) is a safety metric that quantifies the number of workdays lost due to occupational injuries and illnesses, standardized per 100 full-time employees. It provides insight into the severity of workplace incidents, helping organizations evaluate how…
Ergonomic risk refers to the potential for injuries or disorders caused by poor design of workstations, tools, or tasks that require repetitive motion, awkward posture, or excessive force. These risks can lead to Musculoskeletal Disorders (MSDs) such as carpal tunnel…
The Accident Frequency Rate (AFR) is a widely used safety metric that measures how frequently workplace accidents occur over a set number of working hours. Unlike general injury counts, AFR provides a standardized indicator that helps organizations monitor safety performance…
Every safety category is listed in the A–Z directory.