Grocery Unit Price Comparison
Normalize package sizes and same-unit gifts to compare actual unit prices.
Pre-filled values are examples, not personal facts or current local rates. Replace them before calculating.
Calculation method and references
Total = quantity per pack × packs + gift; compare per 100 g, 100 ml or item.
Method reviewed: 2026-09-08
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{"fields":[{"key":"products","label":["商品列表","Products"],"type":"textarea","value":"A,500,g,19.9,1,0\nB,800,g,28.9,1,0","help":["每行：名称,每包净量,单位 g/kg/ml/L/件,总实付价,包数,额外赠送总量（同单位）。同一次只能比较同维度。","Rows: name,net quantity per pack,unit g/kg/ml/L/item,total price,pack count,total extra gift in same unit. Compare only one dimension at a time."]}],"title":["超市商品单价比较","Grocery Unit Price Comparison"],"engine":"unit-price","scope":["只比较数量单价，不等于质量、成分或营养相同；不把重量和容量直接换算。","Quantity price only, not equivalent quality or nutrition. Mass and volume are not interchangeable."]}