Adjusted Age Calculator
Calculate the adjusted age of a premature baby in weeks and months relative to the due date.
Calculate your daily protein needs based on your goals.
The protein calculator calculates your daily protein needs based on your goal (weight loss, muscle gain, maintenance) and weight. Sufficient protein preserves muscle mass on a diet and supports recovery.
The calculator is completely free, works directly in your browser, and does not store personal data. All calculators on this site are based on up-to-date information.
Protein needs: maintenance 0.8 g/kg, active 1.2–1.6 g/kg, muscle gain 1.6–2.2 g/kg, dieting 2.0–2.4 g/kg
Enter your measurements into the calculator fields and press the calculate button – the result will be displayed immediately. You can try different values to compare various scenarios.
80 kg, muscle gain → 80 × 2.0 = 160 g/day. This is 560–640 kcal from protein (4 kcal/g).
The result is an estimate – for precise clinical measurements, consult a healthcare professional.
The calculator is suitable for self-monitoring of health, planning workouts, and general health literacy. Tracking values over time provides valuable information about changes in the body.
Remember that a single measurement result does not tell the whole story – what matters more is the direction and trend over multiple measurement periods.
Calculate your daily protein needs according to your goals. Fill in the requested information in the form, and the protein calculator will show the result immediately.
Yes, the protein calculator is completely free and does not require registration. All FiksuLaskuri health calculators are free of charge.
No. The calculations are done entirely in your browser and the data you enter is not sent or stored on the server.
No. The protein calculator is a rough guide, not a medical diagnosis. For health-related decisions, it is advisable to consult a healthcare professional.
Yes – at the bottom of the page, you can see other calculators related to the same topic that may also interest you.