Health & Fitness
BMI, BMR, calorie needs, age, and body metric calculators.
新着 年齢計算機
正確な年齢を年・月・日で算出し、誕生日までのカウントダウンも表示。
新着 BMI計算機
BMIと健康的な体重の範囲を、メートル法・ヤードポンド法で計算。
新着 BMR・カロリー計算機
BMRと1日の必要カロリー(TDEE)を算出。減量・維持・増量の目標、マクロ、3つの計算式に対応。
新着 出産予定日計算ツール
最終月経・受胎日・IVF移植日・超音波検査から赤ちゃんの出産予定日を計算 — 各トリメスターの日付や節目も表示します。
新着 Macro Calculator
Find your daily protein, carb and fat targets from your TDEE, goal and diet style.
新着 Ideal Weight Calculator
See your ideal weight by four clinical formulas (Devine, Robinson, Miller, Hamwi) — metric or imperial.
新着 Body Fat Calculator
Estimate your body fat percentage using the US Navy tape-measure method — no skinfold calipers needed.
新着 Ovulation Calculator
Find your fertile window, ovulation date and next period from your cycle length and last period.
新着 Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles to wake up refreshed.
新着 Water Intake Calculator
Calculate your daily water needs from your weight, activity level and climate.
新着 Calories Burned Calculator
Estimate calories burned for 60+ exercises using MET values and your weight and duration.
新着 Running Pace Calculator
Calculate your running pace, finish time and splits for any distance — 5K, 10K, half or full marathon.
新着 TDEE Calculator
Total Daily Energy Expenditure calculator — maintenance calories, cut & bulk targets. Mifflin-St Jeor + Harris-Benedict. 100% private.
新着 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.
新着 Protein Calculator
Daily protein intake calculator based on ISSN guidelines — adjust for muscle gain, fat loss, or maintenance. Includes meal distribution guide.