Free Keto Calculators & Tools
Your keto, calculated.
Personalized keto macro calculators, food tools, and a 268-food keto database with instant verdicts and swaps. All free, no signup required.
Everything you need for keto success
All 18 free calculators, grouped by what you are working on.
Core Calculators
Keto Macro Calculator
Personalized daily fat, protein, and net carb targets for your keto variant and goal.
Keto Calorie Calculator
Your daily calorie target for keto: TDEE plus a deficit or surplus for your goal.
Keto TDEE Calculator
Your total daily energy expenditure and BMR across all five activity levels.
Net Carb Calculator
Calculate net carbs from any nutrition label with full sugar alcohol support.
Keto Weight Loss Calculator
A week-by-week weight loss timeline with milestone chart and plateau prediction.
Tools & Estimators
Ketosis Estimator
A personalized timeline for how many days until you reach nutritional ketosis.
Electrolyte Calculator
Daily sodium, potassium, and magnesium targets to prevent keto flu symptoms.
IF + Keto Calculator
Eating-window visualization with per-meal macro breakdown for 5 IF protocols.
Fat Fast Calculator
Break a keto weight loss stall with a calculated 2 to 4 day fat fast protocol.
Protein-to-Fat Ratio Calculator
Anchor protein to lean mass and let fat fill the rest of your calories.
Diet Variants
Cyclical Keto Calculator
Keto-day and carb-day macro targets for the CKD protocol.
Targeted Keto Calculator
A pre-workout carb dose for the TKD protocol, on top of your standard keto base.
Carnivore Diet Calculator
Zero-carb macro targets optimized for the carnivore diet.
Dirty Keto Calculator
Flexible keto macro targets for a food-agnostic dirty keto approach.
Lazy Keto Calculator
Net carb-only tracking for lazy keto, with no fat or protein counting.
For Women
Women's Keto Calculator
Keto macros calibrated for female hormones, menopausal status, and cycle phase.
Keto for Women Over 40
Adjusted targets for perimenopause and menopause-related metabolic changes.
Keto + PCOS Calculator
Keto macro targets optimized for insulin resistance and PCOS management.
Guides and eating-out help
Learn the fundamentals, then find keto-friendly picks at the restaurants you already visit.
Keto Learn hub
Plain-English guides on starting keto, electrolytes, testing for ketosis, and breaking a stall.
- Keto for Beginners: How to Start
- Electrolytes and Keto Flu 101
- How to Test for Ketosis
- How to Break a Keto Stall
Keto at restaurants
What to order, what to skip, and the best low-carb swaps at popular chains.
See all restaurant guides →Science-backed formulas
Every calculator uses peer-reviewed formulas including Mifflin-St Jeor and Katch-McArdle. Results cite primary sources.
Built for every level
Whether you're on day one or year three of keto, MeKeto adapts to your experience level and goals.
Free, always
No paywalls and no signup for any calculator. Every tool and the full keto food database stay free to use.