Calorie and macro calculator
Kcal, protein, fat, carbs and a weekly pace. Same formula as the Czech calculator on this site (Mifflin-St Jeor). The result shows here, free, before you type an email.
Your numbers
- kcal a day
Not medical advice. These numbers come from a standard formula (Mifflin-St Jeor) and are a starting point, not a diagnosis or a treatment plan. If you are pregnant or breastfeeding, have or had an eating disorder, take medication that affects weight or appetite, or have a medical condition, talk to your doctor before you change how you eat. Adults 18 and over.
Get the free Eating Out Playbook
The numbers stay on this page either way. The playbook is the PDF my clients use in restaurants.
Saved, . Your numbers on this page: kcal, g protein, g fat, g carbs.
Eating Out Playbook: Download the PDF. This signup is stored for the emails you just agreed to.
Martin Barna (Czech business ID 76383032) stores your name, email, and the calculator result (kcal, protein, activity, goal, units). Not your age, height or weight. Until you unsubscribe, or after 3 years without activity. Privacy Policy.
Want these numbers adjusted every week from what you actually eat? Apply for coaching.