Ounces (weight) to Cups (metric) Converter

Convert ounces (weight) to cups (metric) for cooking measurements.

Common cooking measurement units

Ounce (oz)

Definition: An ounce is a unit of mass in the US customary and imperial systems equal to about 28.3495 grams.

History/origin: The ounce has roots in Roman and later English measurement systems and remained common in cooking where imperial units persisted.

Current use: Ounces are used in US recipes, food packaging, and kitchen scales for dry and solid ingredient weights.

Metric cup (cup)

Definition: The metric cup is a round metric kitchen measure. It holds exactly 250 mL, making four metric cups equal to one liter.

History/origin: Some metric countries kept cup-style cooking while replacing older variable cup sizes with a simple 250 mL standard.

Current use: Metric cups appear in Australian and New Zealand recipes, some Canadian cookbooks, measuring jugs, meal-prep guides, and recipes adapted for metric kitchens.

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