Need to know the product price per unit, weight or volume? Not sure you are getting the best deal? For example, is it better to buy eight 5-oz items for $9.50 or twelve 4-oz items for $12.50? With this calculator you can easily calculate the unit price. The unit price calculator lets you compare unit prices for similar products measured by weight, volume and products sold by the item: - price per weight (price per oz, lb, kg, 100 g, gram) - price per volume (price per fl oz (US), gal (US), fl o