Pricing calculating apps conveniently fetch the price of their products by entering measurements in length, area, volume, and weight. Shopify price calculator app support multiple Product measurement units can be set according to the nature of the product. A variable-sized product based on length, weight, area, volume and even boxes measured easily. You can sell all kinds of variable-sized products based on their dimensions such as tiles, blinds, liquids, fabric, fencing, and many more.