Health & Fitness
BMI, BMR, calorie needs, age, and body metric calculators.
Neu Altersrechner
Dein genaues Alter in Jahren, Monaten und Tagen ermitteln, plus Geburtstags-Countdown.
Neu BMI-Rechner
Body-Mass-Index und Normalgewichtsbereich berechnen, metrisch oder imperial.
Neu BMR- & Kalorienrechner
BMR und täglichen Kalorienbedarf (TDEE) ermitteln — mit Zielen für Abnehmen, Halten und Zunehmen, Makros und 3 Formeln.
Neu Geburtstermin-Rechner
Berechne den Geburtstermin deines Babys aus letzter Periode, Empfängnis, IVF-Transfer oder Ultraschall — mit Trimester-Daten und Meilensteinen.
Neu Macro Calculator
Find your daily protein, carb and fat targets from your TDEE, goal and diet style.
Neu Ideal Weight Calculator
See your ideal weight by four clinical formulas (Devine, Robinson, Miller, Hamwi) — metric or imperial.
Neu Body Fat Calculator
Estimate your body fat percentage using the US Navy tape-measure method — no skinfold calipers needed.
Neu Ovulation Calculator
Find your fertile window, ovulation date and next period from your cycle length and last period.
Neu Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles to wake up refreshed.
Neu Water Intake Calculator
Calculate your daily water needs from your weight, activity level and climate.
Neu Calories Burned Calculator
Estimate calories burned for 60+ exercises using MET values and your weight and duration.
Neu Running Pace Calculator
Calculate your running pace, finish time and splits for any distance — 5K, 10K, half or full marathon.
Neu TDEE Calculator
Total Daily Energy Expenditure calculator — maintenance calories, cut & bulk targets. Mifflin-St Jeor + Harris-Benedict. 100% private.
Neu Dog Age Calculator
Convert dog years to human years by breed size using the 2020 DNA methylation study. Life stage, remaining lifespan, and age chart.
Neu Protein Calculator
Daily protein intake calculator based on ISSN guidelines — adjust for muscle gain, fat loss, or maintenance. Includes meal distribution guide.