Hospital Equipment & Clinical Furniture worked example
Warranty Reserve at 2.88% historical warranty claim rate: a worked example in hospital equipment & clinical furniture
Here is what the math looks like when conditions slip. We hold every other input steady and drop historical warranty claim rate to 2.88%, then walk the calculation through step by step. Estimate total warranty reserve exposure for hospital equipment shipped in a period, using units shipped, average cost per warranty claim, historical claim rate, and fixed warranty administration cost.
The inputs for this scenario
- Units shipped in the period: 200 units (held at the documented default)
- Average warranty cost per claim: 215 $ / claim (held at the documented default)
- Historical warranty claim rate: 2.88 % (the input this scenario stresses; the baseline uses 4)
- Fixed warranty administration cost: 800 $ (held at the documented default)
Working through the calculation
- The calculation starts from the formula this tool documents: Variable warranty reserve = units shipped × average cost per claim × (claim rate / 100).
- Total warranty reserve works out to 2,038 $ at these inputs, and this is the headline figure for the scenario.
- Warranty reserve per unit shipped works out to 10.19 $ / piece at these inputs.
- Variable warranty reserve works out to 1,238 $ at these inputs.
- Fixed warranty administration cost works out to 800 $ at these inputs.
How this compares with the baseline
- Against the tool's baseline example, where historical warranty claim rate sits at 4% and the headline result is 2,520 $, this scenario comes in 19.11% below the baseline at 2,038 $.
- The practical read: the gap between this scenario and the baseline is entirely attributable to historical warranty claim rate, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It assumes the historical claim rate predicts future claims, so a design change, new supplier, or a latent defect can make the actual liability diverge sharply from this reserve.
Results at a glance
- Total warranty reserve: 2,038 $ (headline result)
- Warranty reserve per unit shipped: 10.19 $ / piece
- Variable warranty reserve: 1,238 $
- Fixed warranty administration cost: 800 $
Run it with your numbers
- To rerun this with your own numbers, open the live Warranty Reserve calculator, set historical warranty claim rate to your actual value, and adjust the remaining inputs to match your operation.
Last reviewed 2026-05-12.