2 Liters to Ounces: Simple Tips for Tracking Your Hydration
by Owala Team
Updated: August 25, 2025
TL:DR
Drinking 2 liters of water a day sounds simple—until you realize you have no idea what that actually looks like in ounces (spoiler: it’s 67.6). We break down the math, bottle sizes, and sneaky tricks to make hydration a no brainer. Bonus: it’s way easier (and cooler) with an Owala in hand.
TL:DR
TL;DR: Drinking 2 liters of water a day sounds simple—until you realize you have no idea what that actually looks like in ounces (spoiler: it’s 67.6). We break down the math, bottle sizes, and sneaky tricks to make hydration a no brainer. Bonus: it’s way easier (and cooler) with an Owala in hand.
We all know hydration matters—more energy, better digestion, clearer skin, the works. The hard part? Actually keeping track of how much water you’re drinking. It’s recommended to drink 2 liters of water a day, but what does that actually mean in ounces?
If you’re an athlete, a busy professional, or just out here living life, knowing how to convert 2 liters to ounces will make hitting those hydration goals a whole lot easier. Well, that and an awesome water bottle by your side (and we know just where to find one). Let’s dive in!
Why Conversion Matters
Water powers your body. But if you only sip when you’re thirsty, chances are you’re probably not getting as much as you need.
So you decide to drink more water—which sounds like a great idea, until you realize you don’t know what “more” actually means. You could just drink up and hope for the best, but if you actually want to improve your health, remember these conversions (or bookmark this page).
How Many Ounces Are in 2 Liters?
We won’t hold you in suspense any longer.
There are 67.6 ounces in 2 liters.
How to Measure 2 Liters Using Ounces
If your water bottle is measured in ounces, reaching your 2-liter target can be simple.
- Got a 16-ounce bottle? Drink 4 full bottles to hit your goal.
- A 32-ounce bottle would only need to be refilled 2 times.
- 40-ounce bottles only need to be refilled about halfway.
So if you want effortless hydration, check out our 32oz FreeSip and the 40oz FreeSip.
More Conversion Breakdowns
Whether you’re drinking from a cup, water bottle, or gallon container, these conversions will help you figure out if you’ve hit that 2 liter mark. Here’s some quick math:
- 32 ounces (fl. oz.) = 0.25 gallons
- 64 ounces (fl. oz.) = 0.5 gallons
- 128 ounces (fl. oz.) = 1 gallon
- 2 liters (L) = 67.6 fluid ounces (fl. oz.)
- Common bottle sizes: 16 oz, 32 oz, 64 oz
Like measuring in cups instead? Here’s how many cups are in a liter and how many cups are in water bottles. We’ve got you covered there too.
Once you know these conversions, it’s easy to track your water intake based on the size of your bottle.
Liquid Ounce vs. Dry Ounce
Yup, there’s a difference. When converting 2 liters to ounces, make sure you’re using liquid ounces, not dry ounces.
Here’s why: A liquid ounce measures volume (perfect for water), while a dry ounce measures weight (better for things like flour or sugar). So when it comes to hydration, stick to fluid ounces.
Hydration FAQs
How much water should I drink each day?
- The general recommendation is about 2 liters (or 8 cups) daily, but individual needs can vary based on factors like age, activity level, and climate. Aim for at least 64 ounces (about 1.9 liters) daily, adjusting as needed.
How can I tell if I'm hydrated?
- Clear or light-colored urine, normal energy levels, and good skin elasticity = good.
- Dark urine, fatigue, dizziness, and dry skin = bad (you’re dehydrated—grab a bottle ASAP).
Can I get enough hydration from foods?
- Yep! Many fruits and vegetables have high water content and can contribute to your overall hydration. Adding them into your diet is a sneaky way to boost your fluid intake. Go you.
Is it possible to drink too much water?
- It’s definitely rare, but it happens. Overhydration can lead to a condition called hyponatremia, where sodium levels in the blood become diluted. It's important to listen to your body and avoid excessive water intake, especially during grueling exercise.
How can I make sure I'm drinking enough water throughout the day?
- Carry a reusable water bottle (ahem, Owala), set reminders on your phone, or use apps that track your water intake. Whatever floats your boat—and helps you most. Infusing water with fruits or herbs can also encourage more frequent drinking.
Is there a way to know the exact amount of water I need?
It really depends on the person, but our handy Hydration Calculator will help you figure out the right amount for you.
The Role of Water Bottles in Staying Hydrated
You can’t stay hydrated unless you have water within reach. Luckily, that’s what water bottles are for.
Whether you prefer refilling a smaller bottle throughout the day or using a larger one like Owala’s 40oz tumbler, having the right bottle means you’ll never have to worry about meeting your hydration goals.
For example, a 32-ounce bottle gets you nearly halfway to your 2-liter goal in just one fill. A 64-ounce bottle? You’re almost there in one refill.
See? Easy.
Water Bottle Sizes
There are tons of different water bottles out there—with various features—but most come in similar sizes.
Common sizes include 16-ounce bottles for short trips, 32-ounce bottles for daily use, and 64-ounce jugs for those really intense workout classes (or all-day activities). Each size has its benefits depending on your activity level and lifestyle, and picking the right one for you will make quenching your thirst effortless.
The Power of the Right Bottle
The easiest way to drink more water is to have a bottle you actually like carrying around. Bonus points if it’s insulated, easy to carry, makes sipping effortless, and stylish. If you’re trying to drink more water but need a little push, find one that gets you excited to use it every day.
Track Your Hydration With Owala
Owala bottles aren’t just any water bottle—they’re about as cool as it gets. Made with a 2-in-1 spout (hello, built-in straw), leakproof flip-top lids, 24-hour insulation, and seriously iconic colors and limited-edition designs, Owala bottles will 100% change the way you drink water.
From 32-ounce bottles for day-to-day hydration or something larger to 40 oz tumblers or FreeSip® water bottles, Owala’s range of bottles will help you hit those hydration goals faster than you can say “hydra—.”
So if you want to get 2 liters of water each day (or more), make Owala your go-to bottle. We promise it’ll change your life. Just ask all of our customers.
Frequently Asked Questions
What is the Fairways for Days water bottle?
Is the texture on Fairways for Days actually functional?
Why is the Owala logo different on this bottle?
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