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30-Second Math: What's Your Real Cost Per Rack?
Release time:
Jul 15,2026
Information Summary:
30-Second Math: What's Your Real Cost Per Rack?
Most kitchens know their dishwasher's hourly wage. Few know the number that actually matters: cost per clean rack.
Here's the quick math:
One dishwasher: $18/hour (adjust to your local rate)
Racks processed per hour, manual sink: typically 8–12
That's roughly $1.50–$2.25 per rack — just for labor.
Now add:
Water running continuously: 15–30 liters per minute
Detergent, re-wash cycles, broken glassware
The AC fighting all that steam
Your real cost per rack is easily double the labor number.
Compare that to a commercial machine: one operator, 30–50 racks per hour. Same labor cost, 3–5x the output. The per-rack number drops dramatically.
No spreadsheet needed. Just count racks for one hour during tonight's rush. Then divide. The result usually surprises people.
Ever run this math? What did you find?
#CommercialKitchen #KitchenMetrics #DishwashingEfficiency #RestaurantOperations #FoodserviceEquipment #CostPerRack
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