Free tool

TRIR & DART rate calculator

Turn your OSHA 300A numbers into the rates auditors, insurers, and general contractors ask for — TRIR, DART, and days-away — and see instantly how you stack up against the 2024 BLS average for your industry. Nothing you enter leaves your browser.

Total hours worked (all employees, this period)≈ employees × 2,000 for a full year. 100 full-time workers ≈ 200,000 hours.OSHA-recordable cases (300A, column totals)Total recordable cases from your 300A summary.DART cases (columns H + I)Days Away, Restricted, or Transferred — the sum of columns H and I.Days-away cases (column H only)Cases with one or more days away from work.Industry (for the BLS benchmark)