Honest nutrition.
Tools that actually work.
DrinkDigits is a free, independent nutrition platform built for people who actually read the label. Free calculators / honest reviews / no paywalls.
Why we built DrinkDigits.
"I started DrinkDigits out of pure frustration. I realized I had no real idea what I was putting into my body. Every day, I'd grab a coffee or smoothie without thinking, unaware of how many calories, sugars, or macros I was actually consuming. There was no simple way to understand what I was drinking, and that lack of awareness bothered me deeply."
"When I began searching for a solution, everything I found was either overly complicated, inaccurate, or built only for athletes. There was nothing for everyday people who just wanted clarity about their daily choices. That's when I decided to build DrinkDigits, a simple, transparent way to understand what's in your cup."
"My goal wasn't to create another calorie tracker. It was to create awareness. I believe nutrition knowledge shouldn't be exclusive. It should empower everyone to make informed choices. DrinkDigits exists to make that awareness accessible, because transparency about what we consume should be the norm, not the exception."
DrinkDigits isn't a one-person operation. A small circle of friends and contributors across the United States and Canada help review products, fact-check our numbers, and test the site. Thank you for the time and the honest feedback.
We help people make smarter decisions about what they drink and eat, by turning complex menu data into clear, customizable numbers.
From the inside of a Starbucks drive-thru to a packed restaurant menu, real-world choices happen in seconds. Our tools and reviews exist to make those seconds easier, and the rest of the day add up the way you want it to.
Free nutrition tools, for everyone.
Ten interlocking tools that cover daily macros, calories at rest and active, protein quality, caffeine and sleep, hydration, intermittent fasting, home cold brew, and the cafes and restaurants you actually eat at.
Macro Calculator
Personalized daily protein, carbs, and fat targets based on your body and goals.
TDEE Calculator
Total daily energy expenditure with Mifflin, Harris-Benedict, and Katch-McArdle formulas. Six goal targets from cut to bulk.
BMR Calculator
Basal metabolic rate using three scientific formulas. Side-by-side comparison plus demographic reference table.
Protein Quality Score
Compare amino acid quality across animal and plant protein sources.
Caffeine Calculator
Track caffeine across 82 drinks with a live bloodstream tracker, sleep cutoff, and personal limits for adults, pregnancy, and adolescents.
Water Intake Calculator
Daily water target in oz, mL, L, and cups. Live glass-by-glass tracker, hourly schedule, climate and pregnancy adjustments.
Intermittent Fasting Calculator
16:8, 18:6, 20:4, OMAD, 5:2, and custom protocols. Live countdown, autophagy timeline, per-meal split, and calendar export.
Cold Brew Calculator
Cold brew concentrate ratios, exact grams, caffeine per cup, and annual savings vs Starbucks. Mason jar, French press, Toddy methods.
Starbucks Calculator
Calories, sugar, and caffeine in any Starbucks drink with full customization.
Dunkin Calculator
The same approach for the full Dunkin drinks menu, with milk and syrup swaps.
Restaurant Guides
Macro-aware menu breakdowns and allergen resources for the chains you eat at most.
Product Reviews
Hands-on taste tests, verified nutrition panels, and honest verdicts on protein bars, shakes, snacks, and more.
The Blog
Practical tips, menu breakdowns, and seasonal drink guides, updated regularly.
How we build, how we publish.
Two columns. Same standard. Numbers we can defend, words we don’t have to walk back.
How We Build Our Tools
- Public nutrition data
Every calculator starts from the brand’s own published nutrition information for sizes, milks, syrups, and toppings.
- Ingredient-level adjustments
We layer in customizations the official menus don’t expose, so a quad-shot oat-milk vanilla latte adds up correctly.
- Real testing for reviews
Every product review involves hands-on tasting, photography, and a verified nutrition breakdown before publish.
Results are estimates. Actual values can vary by location, preparation, and menu updates, but they give you a reliable starting point for everyday decisions.
Editorial Approach
- Clarity over cleverness
Plain language, clear numbers, and the trade-offs spelled out. No food guilt, no fluff.
- No medical claims
We avoid medical or diagnostic advice. For personalized guidance, talk to a qualified healthcare professional.
- Honest disclosure
Affiliate links and sponsored content are clearly labeled. Reader trust is the only currency that matters.
Have feedback?
Saw something off, want us to add a drink, or have a correction to flag? We read every message and respond within a few business days.
Find us on social.
Daily nutrition tips, behind-the-scenes testing, and weekly deals from the brands we trust.
Ready to do the math?
Open a calculator, read a review, or send us a note. The site stays free for the same reason it stays honest.