Free nutrition calculators, built for low-carb
Find your numbers in seconds — net carbs, keto macros, protein, electrolytes, calories. Instant results, evidence-based math, no signup.
🥑 Keto essentials
The numbers every low-carber needs — carbs, macros, and the keto-flu fix.
Net Carbs Calculator
Total carbs − fiber − sugar alcohols, with a verdict against your daily budget.
Keto Macro Calculator
Your daily fat, protein & net-carb grams — computed from your stats and goal.
Keto Electrolytes
Personalized sodium, potassium & magnesium targets to beat the keto flu.
Is It Keto? Checker
Type any food, get an instant keto verdict with net carbs per serving.
🍗 Protein tools
How much protein do you need? Pick the calculator that matches your question.
🔥 Calories, macros & planning
Set your calorie target, split your macros, and turn the numbers into a week of meals.
Calorie Calculator
Your daily calorie target (TDEE) for losing, maintaining, or gaining.
Macro Calculator
Daily net carbs, protein, and fat for keto or low-carb.
Carb Calculator
Your net-carb limit to reach and stay in ketosis.
AIAI Meal Plan Generator
A personalized weekly plan with recipes and a grocery list.
Know your numbers — now hit them
CarbMeNot logs your calories, carbs, and protein against your targets from a photo. Free on the App Store and Google Play.
Free to download · iOS & Android · No signup required