<script type="application/ld+json">
{ “@context”: “https://schema.org”, “@type”: “FAQPage”, “mainEntity”: [ { “@type”: “Question”, “name”: “Is 400 grams of water the same as 400 millilitres?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “Yes, for practical purposes, 400 grams of water is equivalent to 400 millilitres. Water has a density of 1 gram per millilitre, so the measurements are interchangeable in most recipes. However, this only applies to water—other liquids like oil or milk will differ.” } }, { “@type”: “Question”, “name”: “Can I use a regular cup to measure 400 grams of water?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “A standard drinking cup isn’t precise enough for accurate measurements. Instead, use a liquid measuring cup with clear markings for millilitres or cups. This ensures you get the exact 1.67 (US) or 1.69 (UK) cups needed for 400 grams of water.” } }, { “@type”: “Question”, “name”: “Why do UK and US cup measurements differ slightly?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “The difference stems from historical measurement standards. A UK cup is 240ml, while a US cup is 236.6ml. For 400 grams of water, this results in a negligible variance (1.69 vs. 1.67 cups), but it’s worth noting for precision baking.” } }, { “@type”: “Question”, “name”: “How do I measure 400 grams of water for air fryer steaming?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “For steaming, pour 400 grams (or 1.67–1.69 cups) of water into the air fryer’s steaming tray or a heatproof dish. Ensure the water doesn’t touch the food directly to prevent sogginess. Always follow your specific air fryer model’s guidelines for steaming.” } } ] }
<script type="application/ld+json">
{ “@context”: “https://schema.org”, “@type”: “WebPage”, “name”: “How Many Cups Is 400 Grams of Water?”, “url”: “https://www.airfryerrecipe.co.uk/blog/how-many-cups-is-400-grams-of-water”, “description”: “Find out exactly how many cups 400 grams of water equals for perfect air fryer recipes every time. Simple conversions made easy!”, “inLanguage”: “en”, “datePublished”: “2025-07-26T21:34:06.484000+00:00”, “dateModified”: “2025-07-26T21:34:06.484000+00:00” }
<script type="application/ld+json">
{ “@context”: “https://schema.org”, “@type”: “BreadcrumbList”, “name”: “Breadcrumbs”, “@id”: “https://www.airfryerrecipe.co.uk/blog/how-many-cups-is-400-grams-of-water#breadcrumbs”, “itemListElement”: [ { “@type”: “ListItem”, “position”: 1, “name”: “Home”, “item”: { “@type”: “WebPage”, “@id”: “https://www.airfryerrecipe.co.uk” } }, { “@type”: “ListItem”, “position”: 2, “name”: “blogs”, “item”: { “@type”: “WebPage”, “@id”: “https://www.airfryerrecipe.co.uk/blog” } }, { “@type”: “ListItem”, “position”: 3, “name”: “How Many Cups Is 400 Grams of Water?”, “item”: { “@type”: “WebPage”, “@id”: “https://www.airfryerrecipe.co.uk/blog/how-many-cups-is-400-grams-of-water” } } ] }
<script type="application/ld+json">
{ “@context”: “https://schema.org”, “@type”: “WebSite”, “url”: “https://www.airfryerrecipe.co.uk”, “name”: “Air Fryer Recipes”, “description”: “Explore crispy, healthy, and quick air fryer recipes from around the world. Perfect for everyday meals.”, “inLanguage”: “en” }
<script type="application/ld+json">
{ “@context”: “https://schema.org”, “@type”: “Organization”, “name”: “Air Fryer Recipes”, “url”: “https://www.airfryerrecipe.co.uk”, “logo”: { “@type”: “ImageObject”, “url”: “https://www.airfryerrecipe.co.uk/brand” }, “areaServed”: [ { “@type”: “Country”, “name”: “United Kingdom” }, { “@type”: “Country”, “name”: “United States” } ], “contactPoint”: { “@type”: “ContactPoint”, “contactType”: “customer support”, “areaServed”: [ “GB”, “US” ], “availableLanguage”: [ “English” ], “email”: “support@airfryerrecipe.co.uk” } }
400 grams of water equals approximately 1.69 cups in the UK and 1.67 cups in the US. This conversion is essential for air fryer recipes, where precise measurements can make or break your dish. Whether you're baking, steaming, or preparing sauces, knowing how to convert grams to cups ensures consistent results every time.
Why Accurate Water Measurements Matter in Air Fryers
Air fryers rely on precise ingredient ratios to achieve the perfect texture and doneness. Too much water can make food soggy, while too little may dry it out. For recipes like air fryer cakes or steamed vegetables, 400 grams of water is a common measurement. Using the correct cup equivalent ensures your dish turns out just right.
If you're new to air frying, check out our air fryer conversion chart for other common measurements. It’s a handy tool for converting grams, ounces, and millilitres into cups or tablespoons. This way, you can focus on cooking without second-guessing your measurements.
UK vs. US Cup Measurements
In the UK, a standard cup holds 240 millilitres, while in the US, it’s 236.6 millilitres. This slight difference means 400 grams of water is roughly 1.69 UK cups or 1.67 US cups. For most recipes, this small variance won’t make a noticeable difference, but it’s good to know for precision baking.
How to Measure 400 Grams of Water Without Scales
Not everyone has a kitchen scale, but you can still measure 400 grams of water accurately. Use a liquid measuring cup and fill it to the 1.67 (US) or 1.69 (UK) cup mark. Alternatively, 400 millilitres of water is almost equivalent to 400 grams, as water’s density is 1g/ml. This trick works well for most air fryer recipes.
For best results, use a clear measuring cup placed on a flat surface. Bend down to check the measurement at eye level to avoid over- or under-pouring. If you’re adapting a recipe from grams to cups, always double-check the conversion to avoid mishaps.
Common Recipes Using 400 Grams of Water
Many air fryer dishes, like steamed dumplings or custards, call for 400 grams of water. This measurement is also useful for making batters or thinning sauces. For example, our air fryer cake recipes often use this amount to achieve the ideal consistency.
Tips for Perfect Water Measurements Every Time
Always use room-temperature water for accurate measurements, as cold or hot water can slightly alter the volume. If your air fryer recipe requires boiling water, measure it cold first, then heat it. This ensures you’re starting with the correct amount.
Keep your measuring tools clean and dry to avoid residue affecting the measurement. For sticky ingredients, a quick spritz of air fryer cleaner can help maintain accuracy. And remember, when in doubt, weigh your water for the most precise results.
Converting Other Liquids
While 400 grams of water is straightforward, other liquids like milk or oil have different densities. Always check specific conversion charts for these ingredients. For example, 400 grams of milk is slightly more than 400 grams of water due to its higher density.