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DROPs Frequency Calculator

Dropped Objects Frequency Rate Calculator

Calculate DROPs Frequency
DROPs Definition

DROPs (Dropped Objects) are any objects that fall from height and have the potential to cause injury, death, or equipment damage.

The DROPs Frequency Rate measures the number of dropped object incidents per million man-hours worked, helping organizations track and improve dropped object prevention programs.

DROPs Frequency Rate Formula

Number of DROPs incidents × 1,000,000


Total man-hours worked

Risk Level Guide

  • 0 = Excellent
  • <1 = Good
  • 1-5 = Moderate
  • 5-10 = High
  • >10 = Critical