DART Rate Calculator
Days Away, Restricted, or Transferred Rate (OSHA Standard)
Formula:
DART Rate = (DART Cases × 200,000) ÷ Total Hours Worked
DART cases include incidents resulting in days away from work, restricted work activity, or job transfer.
DART cases include incidents resulting in days away from work, restricted work activity, or job transfer.
ℹ️ DART is a subset of TRIR — only incidents serious enough to cause lost time, restriction, or transfer count. Medical treatment alone (without lost time) is excluded.
Please enter valid numbers in both fields.
Your DART Rate
0.00
Source: U.S. Bureau of Labor Statistics, 2024 SOII data (released January 2026).