How this calculator works
Using this result
The result is the fulfillment cost assigned to each saleable unit in this shipment.
Next step: Add it to product and selling costs before checking unit margin or setting a minimum selling price.
Worked example
A $65 total fulfillment cost spread across 20 saleable units adds $3.25 to each unit.
Allocating delivery for a flooring purchase
First use our Project Material Calculator flooring tool to estimate whole cartons from room area, cutting allowance and carton coverage. For a tile purchase, use the tile quantity tool and convert its tile count to the supplier’s pack quantity.
For this purchase-planning use, treat each carton as one unit. An $80 delivery charge divided across eight cartons adds $10 per carton when packaging, handling and other fees are zero. Add the $80 once to the project budget; keep it separate from the material price. For resale margin calculations, continue to use saleable units rather than cartons.
How to measure
- Use the full shipment charge, not a quoted base rate.
- Include only costs that belong to this shipment.
- Use saleable units after expected loss or samples.
Common mistakes
- Leaving out handling labor.
- Dividing by cartons rather than saleable units.
- Mixing tax-inclusive and tax-exclusive inputs.
Planning note: This result is an estimate, not a carrier quote. Equipment, services, limits and rounding rules can vary. Confirm operational decisions with the relevant provider.
Formula implementation and worked example reviewed September 9, 2026. See the methodology and sources.