Safety & Workforce worked example

Workers Comp Cost per Hour with annual workers' comp premium of 90,000 $: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop annual workers' comp premium to 90,000 $, then walk the calculation through step by step. Calculate workers' comp cost per labor hour for Safety & Workforce from annual premium and hours worked.

The inputs for this scenario

  • Annual workers' comp premium: 90,000 $ (the input this scenario stresses; the baseline uses 180,000)
  • Annual labor hours worked: 400,000 hr (held at the documented default)
  • Rate normalization multiplier: 1 x (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Workers' comp cost per hour = annual premium ÷ annual hours worked × normalization factor.
  • Workers' comp cost per hour works out to 0.23 $ / hr at these inputs, and this is the headline figure for the scenario.
  • Raw ratio works out to 0.23 value at these inputs.
  • Conversion factor works out to 1 x at these inputs.
  • Denominator works out to 400,000 value at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where annual workers' comp premium sits at 180,000 $ and the headline result is 0.45 $ / hr, this scenario comes in 50% below the baseline at 0.23 $ / hr.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to annual workers' comp premium, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It spreads one blended premium evenly across all hours, so it hides the fact that high-mod job classes (roofing, welding) carry far more comp cost per hour than low-risk office or assembly work; class-code-level rates are needed for precise pricing.

Results at a glance

  • Workers' comp cost per hour: 0.23 $ / hr (headline result)
  • Raw ratio: 0.23 value
  • Conversion factor: 1 x
  • Denominator: 400,000 value

Run it with your numbers

  • To rerun this with your own numbers, open the live Workers Comp Cost per Hour calculator, set annual workers' comp premium to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.