Recipe Portion Scaler
Scale ingredient amounts for a different serving count, including fractions.
Pre-filled values are examples, not personal facts or current local rates. Replace them before calculating.
Calculation method and references
Scaled amount = original amount × target servings / original servings.
Method reviewed: 2026-09-08
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{"fields":[{"key":"original","label":["原菜譜份數(shù)","Original servings"],"type":"number","value":4,"min":0.01,"max":1000,"step":"any"},{"key":"target","label":["目標(biāo)份數(shù)","Target servings"],"type":"number","value":2,"min":0.01,"max":1000,"step":"any"},{"key":"ingredients","label":["食材清單","Ingredients"],"type":"textarea","value":"面粉,1 1/2,杯\n牛奶,200,ml\n雞蛋,2,個(gè)","help":["每行：食材,數(shù)量,單位。單位原樣保留；不自動進(jìn)行克與杯換算。","Rows: ingredient,quantity,unit. Units remain unchanged; no grams-to-cups conversion."]}],"title":["菜譜份量換算","Recipe Portion Scaler"],"engine":"recipe-scaler","scope":["只縮放食材量。烘焙膨松劑、調(diào)料和烹調(diào)時(shí)間可能需要人工調(diào)整，雞蛋等不可分物品請自行取舍。","Amounts only. Leavening, seasonings and cooking time may need manual adjustments."]}