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DART Rate Calculator

Set benchmarks for your safety goals with DART rate.

The DART rate (Days Away, Restricted, or Transferred) tracks how frequently workers experience job-related injuries. The DART metrics are more closely aligned with productivity metrics and are used by EHS departments to determine the productivity impact of safety events. The main purpose of the DART rate is to raise awareness among employers of the importance of preventing workplace injuries and illnesses.

How to calculate DART Rate:




What is DART Rate?

The DART rate compares the number of workers’ compensation injuries or illnesses that resulted in days away from work, required restricted work activities or required transfer to another job to the number of workers at your company.

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Why Is DART Rate Important?

A direct correlation exists between DART rate and both productivity and profitability. And employers can use the DART rate to help set priorities for themselves and avoid future incidents.

DART is important for employers to completely understand the potential long-term effects of their employees' injuries or illnesses. This will enable them to make sure employees are receiving the care they need in a timely manner.

The Occupational Safety and Health Administration (OSHA) developed the DART rate to help employers identify workplace hazards, correct them and prevent future incidents.

How Is DART Rate Calculated?

The DART score is calculated using OSHA’s three injury categories:

  • Days away from work because of a workplace injury,
  • Restricted work activities and
  • Transferred employees due to inability to handle the current job responsibilities.

The sum total of the number of days is multiplied by 200,000 and then divided by the total number of hours worked.

So if the DART rate is high, it means that employees are being hurt more often or that the risk of being hurt is high.

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What Are the Consequences of Having a High DART Rate?

A high DART rate has severe consequences on your business:

  • Your worker’s compensation insurance premiums can significantly increase if your DART rate is higher than the norm.
  • Many companies now request to see the DART rate from their contractors and a high rate can affect your sales.
  • Businesses with DART rates are more prone to OSHA inspections and if any violations are identified, it can result in serious consequences.

So it’s important to keep an eye on your DART rate and take immediate actions to lower it.

Why Do You Need a DART Rate Calculator?

A DART rate calculator helps you stay on top of your workplace incidents and hazards and take steps to control them. As you consistently check your DART rate through this calculator, you can make incremental changes to your safety culture and policies.

A safety culture takes a long time to establish and we can't expect instant results. But we can keep an eye on the progress of the safety policies to check if they work or not when we monitor the DART rate regularly and make immediate changes.

How Can You Calculate the DART Incidents?

The total number of DART incidents include the days away from work, restricted or transferred due to an injury or illness during the job.

According to OSHA, the day of the injury isn’t counted as an absence. For example, if a worker takes a leave on the day the injury occurred but returns to work the next day, it isn’t calculated as a DART incident.

But if the worker on a subsequent day is allowed to do only restricted work or transferred to another job because of the incident, then it’s recorded as a DART incident.

Based on these factors, you can total up the number of DART incidents for a given period.

How Can You Calculate the Hours Worked?

The hours worked is the total number of working hours of all the employees and contractors in your company. Make sure to subtract the holidays, vacations and any other absences from the total number of hours.


Also view: TRIR Calculator