How many milliliters are in a cup?

There are 236.588 milliliters in 1 US cup. This is the US customary cup standard. Note that other countries use different cup sizes: the UK cup is 284 ml, and the metric cup is 250 ml.

Can I use this for cooking and baking recipes?

Absolutely. This converter is designed specifically for recipe conversions. It handles fractional cups (0.5, 0.25, 0.75) and gives precise milliliter equivalents perfect for baking and cooking.

Is the cups to ml converter free?

Yes, completely free. No signup, no hidden costs. Works on mobile too — use it right in your kitchen.

What is the formula for cups to ml?

ml = cups × 236.588. This is the US customary cup standard used in most American recipes and online cooking sites.

Is this US cups or UK cups?

This converter uses the US customary cup (236.588 ml), which is the standard for most online recipes. UK (imperial) cups are 284 ml and metric cups are 250 ml — use our Unit Converter for those.

How do I convert half a cup to ml?

Enter 0.5 in the input field. 0.5 cup = 118.29 ml. Common fractions: 0.25 cup = 59 ml, 0.75 cup = 177 ml, 0.33 cup = 79 ml.

🥄 Cups to Milliliters Converter

Convert cups to milliliters instantly — perfect for cooking and baking

cups=0ml

Quick:

Formula: ml = cups × 236.588 | 1 US cup = 236.588 ml

Quick Conversion Table

Cups	Milliliters (ml)

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What Is the Cups to Milliliters Converter?

Cups to Milliliters Converter is a free, browser-based cooking converter that instantly transforms US cup measurements into milliliters. It solves the problem of converting American recipes to metric measurements. No downloads, no sign-ups.

Key Features

Instant Conversion: Real-time results as you type.
Common Fractions: One-click ¼, ⅓, ½, ¾ cup shortcuts.
Built-in Conversion Table: 0.25 to 5 cup reference.
Copy to Clipboard: One-click copy for your recipe notes.

📋 When to Use the Cups to Milliliters Converter

Use this converter when following US recipes that use cup measurements and you need milliliters, converting baking recipes between imperial and metric, scaling recipes up or down with precision, or cooking from international cookbooks and food blogs.

⚙️ How the Cups to Milliliters Converter Works

The converter uses the US customary cup standard where 1 cup equals 236.588 milliliters. This is the standard used in virtually all American recipes and online cooking sites. All calculations happen in your browser.

How to Use the Cups to Milliliters Converter

Enter a cup value or click a Quick fraction button (¼, ½, ¾, 1 cup).
See the result instantly — milliliters appear as you type.
Copy the result by clicking 📋 Copy.
Check the table for common conversions from 0.25 to 5 cups.

Frequently Asked Questions

How do I convert cups to ml?

Multiply by 236.588. 1 cup = 236.59 ml. For quick kitchen math, 1 cup ≈ 240 ml.

How many ml in a cup?

236.588 ml in 1 US cup. UK cups are 284 ml, metric cups are 250 ml.

Is this for cooking?

Yes, designed specifically for recipe conversions with fraction shortcuts.

Is it free?

Yes, completely free. No signup, use it right in your kitchen on mobile.

Formula for cups to ml?

ml = cups × 236.588 (US customary standard).

US or UK cups?

US customary cups (236.588 ml). For UK cups (284 ml), use our Unit Converter.

How to convert half a cup?

Enter 0.5 or click the ½ cup button. 0.5 cup = 118.29 ml.