I Don't Have A 1/3 Cup What Can I Use

So there I was, last Tuesday night, halfway through making a batch of chocolate chip cookies. The recipe called for a 1/3 cup of brown sugar, and I reached into my drawer with all the confidence of a master baker. I pulled out my measuring cups, and poof—the 1/3 cup was gone. Vanished. Probably hiding with all those single socks, right?

I stood there, spatula in hand, staring at my 1/4 cup and my 1/2 cup like they were strangers. My first instinct was pure panic. “Do I really have to eyeball it? Or worse—go to the store?” If you’ve ever been here, you know the struggle is real. But here’s the secret: you don’t actually need that specific cup. You’ve got options, and they’re probably in your kitchen right now.

The Simple Math Fix (No Calculator Required)

Let’s start with the most obvious trick: combine two other measurements. A 1/3 cup is exactly 5 tablespoons plus 1 teaspoon. Grab your tablespoon set and count them out—five of those bad boys, then one tiny teaspoon. Boom, you’re done.

If you’re like me and hate washing extra spoons, use your 1/4 cup and a tablespoon. Fill the 1/4 cup, then add 1 tablespoon and 1 teaspoon on top. That’s your 1/3 cup right there. Side note: this trick works because 1/4 cup is 4 tablespoons, and adding 1 tablespoon and 1 teaspoon equals the 5.33 tablespoons in a 1/3 cup. Mic drop.

The “Use What You Have” Hack

No measuring spoons? No problem. Grab a liquid measuring cup if you’ve got one. Fill it to the 1/3 line, obviously. But here’s the real lifesaver: use a coffee mug. A standard coffee mug holds about 1 cup or more. Fill it one-third of the way up, and you’re golden—as long as your mug isn’t shaped like a martini glass.

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Or, try the water displacement method. This sounds fancy, but it’s not. Grab any cup (say, a 1-cup measure), fill it with water to the 1-cup line for reference. Pour out the water, then dry it and fill it with your brown sugar until it looks about one-third full. Trust your eyeball—it’s surprisingly accurate for baking. I’ve done this and my cookies didn’t stage a revolt.

When You’re in a Real Pinch

Maybe you’re camping, or your kitchen is being renovated, and you have nothing but a spoon and a bowl. Here’s a wild card: use a standard ice cream scoop. Most ice cream scoops are about 1/3 cup. Seriously. That round, spring-loaded gadget in your drawer? Fill it level, and you’re set. If you don’t have one of those, grab a ping pong ball—it’s also roughly 1/3 cup. Yes, I’m serious.

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And if you’re really desperate—like, “I’m in a dorm room with nothing but a ketchup packet” desperate—know that a standard shot glass holds about 1.5 ounces. Two of those are 3 ounces, which is a little less than 1/3 cup (which is 2.67 ounces). So you’d need two shot glasses, plus a tiny splash. This is not a recommendation, but a survival tactic.

Why This Matters (And Why You Should Care)

See, cooking is about confidence, not perfection. The fact that you don’t own a 1/3 cup doesn’t make you a bad cook—it makes you a resourceful one. Every time you improvise, you build a little muscle memory for future kitchen crises. And let’s be real: the 1/3 cup is the awkward middle child of measuring cups. It’s almost never used, until it’s the only one you need.

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I once made a full lemon meringue pie using a 1/3 cup because I lost my entire set. I measured everything with that one cup, doing weird math for every ingredient. Did it taste perfect? No, because I forgot the sugar once. But did it taste amazing anyway? Yes. And so will your cookies, pancakes, or whatever you’re making.

The Final “Cheat Sheet”

Here’s your takeaway, written so you can remember it without a screenshot: 5 tablespoons + 1 teaspoon equals 1/3 cup. 1/4 cup + 1 tablespoon + 1 teaspoon also works. And if you still want to buy a dedicated 1/3 cup, go ahead—but now you know you don’t need it. You’re the kind of person who makes do, and that’s a superpower.

So next time you’re mid-recipe and your drawer betrays you, just laugh. And then grab a tablespoon. You’ve got this. Now go make those cookies—you’re already braver than the recipe author imagined.