健康・フィットネス 計算機
BMI、カロリー、体脂肪率、フィットネス計算機。数式、例題、ステップごとの計算で即座に結果を表示。無料オンライン計算機。
すべての健康・フィットネス計算機
BMI 計算機
成人のボディマス指数。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
BMI 計算機 for Women
成人女性向けに最適化されたBMI。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
Body Fat 計算機
米海軍方式で体脂肪率を計算します。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
BMR 計算機
基礎代謝率と1日のカロリー必要量。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
Calories Burned 計算機
MET値を使って運動中の消費カロリーを計算します。活動・時間・体重を入力すると、消費カロリーとMET値を表示します。
Protein 計算機
体重・活動量・目標に基づいた1日のタンパク質摂取量を計算します。指標を入力すると、食事ごとの内訳付きで1日あたりのグラム数を表示します。
Ideal Weight 計算機
4つの医学的公式(Robinson・Miller・Devine・Hamwi)を使った理想体重。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
Pace 計算機
任意のレースのランニングペース・完走時間・距離を計算します。3つのうち2つを入力すると、1マイルごとのスプリット付きで第3の値を表示します。
目標心拍数
運動の心拍数トレーニングゾーン。WHOと臨床ガイドラインに基づいています。健康範囲チャートと解釈付きで即座に結果を表示します。
Pregnancy 計算機
出産予定日・妊娠期・週次妊娠追跡。臨床・医学ガイドラインに基づいています。週次コンテキスト付きで即座に結果を表示します。
Conception 計算機
Estimate conception date from due date or last period. Enter your dates — see likely conception window, first trimester milestones. Free.
Gestation 計算機
Calculate animal gestation period and expected due date. Enter species and conception date — see gestation length and due date. Free.
Lean Body Mass 計算機
Calculate Lean Body Mass quickly and accurately. Enter your values — see the result with the formula, worked example, and unit options. Free.
BAC 計算機
Estimate blood alcohol concentration (BAC). Enter drinks consumed, weight, sex, and hours — see BAC level and time to sober. Free.
Period 計算機
Predict the next 6 menstrual periods from your cycle data. Enter last period and cycle length — see predicted dates for 6 months. Free.
までの日数
Count days until any future date or event. Enter the target date — see days, weeks, and months remaining with weekday. Free.
通勤費計算機
Calculate the true cost of your daily commute. Enter distance, transport mode, and frequency — see annual cost in time, money, and CO₂. Free.
読む速度
Calculate how long it takes to read any text. Enter word count or paste text — see reading time at different speeds (slow/average/fast). Free.
レシピコンバーター
Convert recipe measurements between units. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.
画面サイズ
Calculate monitor or TV screen dimensions from diagonal size and aspect ratio. Enter diagonal and ratio — see width, height, area, and pixel density. Free.
会議費用
Calculate the cost of any meeting. Enter attendees, seniority levels, and duration — see the total cost and encourage shorter meetings. Free.
賃貸vs購入
Compare renting vs buying a home over any time horizon. Enter rent, price, and terms — see break-even point and 10-year cost. Free.
車リースvs購入
Compare leasing vs buying a car over 3–5 years. Enter lease terms and purchase price — see total cost and ownership comparison. Free.
引越し費用
Estimate moving costs for any distance and home size. Enter origin, destination, and inventory — see cost range for DIY vs full-service moves. Free.
結婚式費用
Estimate total wedding costs. Enter guest count, venue, and catering preferences — see itemised budget and average regional costs. Free.
血圧分析
Analyse BP and calculate MAP, pulse pressure. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Diabetes Risk 計算機
Assess your risk of developing type 2 diabetes. Enter BMI, age, family history, and lifestyle factors — see risk score with prevention tips. Free.
ウエストヒップ比
WHO health risk assessment from WHR. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
心拍ゾーン
Calculate 5 training zones using Karvonen method. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
FEV1 Spirometry 計算機
Analyse FEV1/FVC spirometry results for lung function. Enter FEV1, FVC, age, and sex — see percent predicted and GOLD classification. Free.
eGFR 計算機 (CKD-EPI)
Calculate kidney function (eGFR) using the CKD-EPI formula. Enter creatinine, age, and sex — see eGFR and CKD stage. Free.
Child Growth パーセントile
WHO height and weight percentiles for children. Step-by-step solution with formula, example dataset and interpretation guide.
Medication Dosage 計算機
Weight-based medication dose calculations. Based on veterinary guidelines. Instant result with breed notes and feeding chart.
IV Drip Rate 計算機
Calculate IV drip rate in drops per minute. Enter volume, time, and drop factor — see mL/hr, drops/min, and dose calculations. Free.
クレアチニンクリアランス
Cockcroft-Gault式でクレアチニンクリアランスを計算します。体重・年齢・性別・クレアチニンを入力すると、mL/minの結果を表示します。
食事誘発性熱産生
Calculate calories burned digesting food (thermic effect of food). Enter macros — see TEF as a percentage of total caloric intake. Free.
NEAT Calories 計算機
Calculate non-exercise activity thermogenesis (NEAT) calories. Enter activity level and weight — see daily NEAT and total TDEE. Free.
Keto Macro 計算機
Calculate keto macros for a ketogenic diet. Enter weight, height, activity level, and goal — see target grams of fat, protein, and carbs. Free.
Intermittent Fasting 計算機
Plan your intermittent fasting window. Enter eating start time and hours — see fasting window, eating window, and schedule. Free.
Sleep Debt 計算機
Calculate accumulated sleep deficit. Instant result with amortization table, formula and chart. Free financial calculator.
Chronotype 計算機
Discover your sleep chronotype (morning lark, night owl, or intermediate). Enter sleep times — see your type and optimal schedule. Free.
体脂肪率(海軍方式)
US Navy body fat percentage calculation. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Hydration 計算機
Calculate daily water intake based on weight and activity. Enter body weight and activity level — see recommended fluid intake. Free.
回復心拍数
Heart rate recovery as fitness indicator. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Sweat Rate 計算機
Calculate your sweat rate from exercise weight loss. Enter pre/post weight and fluid intake — see sweat rate in mL/hour. Free.
電解質バランス
Calculate electrolytes lost through sweating. Enter sweat rate and duration — see sodium, potassium, and fluid replacement needs. Free.
Breathing Rate 計算機
Calculate minute ventilation and alveolar ventilation. Enter tidal volume and breathing rate — see minute volume and dead space. Free.
Supplement Timing 計算機
Optimise supplement timing around workouts. Enter training time and supplement list — see optimal timing for each supplement. Free.
Detox Timeline 計算機
Estimate clearance time for caffeine, alcohol, and nicotine from your body. Enter amount and weight — see hours until elimination. Free.
血中アルコール濃度と回復時間
Estimate blood alcohol concentration and time to sober up. Enter drinks and weight — see BAC curve and hours to reach 0.00. Free.
体型丸み指数 (BRI)
Calculate Body Roundness Index from waist and height. Enter waist and height — see BRI, visceral fat estimate, and health risk. Free.
Growth Velocity 計算機
Height growth rate in cm/year. Formula, variable legend, worked example and step-by-step mechanics solution. Instant result.
生物学的年齢推定
Estimate biological age from lifestyle. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Lung Age 計算機
Estimate lung age from FEV1 measurement. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Grip Strength 計算機
Grip strength vs population norms. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
ウエスト身長比
Waist-to-height health risk assessment. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Hearing Age 計算機
Estimate hearing age from highest frequency. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
肌年齢推定
Estimate skin age from lifestyle factors. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
乳酸閾値
Aerobic and anaerobic training thresholds. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
歩数からVO2max
Estimate VO2max from daily step count. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Kleiber's Law
Calculate metabolic rate from body mass using Kleiber's Law. Enter body mass in kg — see basal metabolic rate (BMR = 70 × M^0.75). Free.
Calorie Cycling 計算機
Plan alternate calorie intake for weight loss without adaptation. Enter TDEE and target — see high and low day calorie targets. Free.
One Rep Max 計算機
Maximum single lift from reps and weight. Based on sports science. Instant result with training zone chart and performance guide.
妊娠中の体重増加
Recommended weight gain during pregnancy. Based on clinical and medical guidelines. Instant result with week-by-week context.
Macro 計算機
フィットネス目標に合わせた1日のマクロ栄養素(タンパク質・脂肪・炭水化物)を計算します。体重・身長・活動量・目標を入力すると、グラムとカロリーの目標値を表示します。
Heart Rate 計算機
Resting and maximum heart rate assessment. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Daily Water Intake 計算機
1日の水分補給目標をパーソナライズします。体重と活動量を入力すると、1日の水分摂取量をリットルとコップ数で表示します。
Running Calorie Burn 計算機
Calculate calories burned running any distance based on body weight. Enter weight, distance, and pace — see net and gross calories. Free.
Posture Risk 計算機
Assess musculoskeletal risk from daily sitting habits. Enter hours sitting and ergonomic setup — see risk score and recommendations. Free.
Blue Light Exposure 計算機
Estimate daily blue light exposure from screens and lighting. Enter screen time and device types — see exposure level and sleep impact. Free.
ビタミン欠乏リスクスコア
Assess risk of vitamin D, B12, and iron deficiency. Enter diet, sun exposure, and lifestyle — see deficiency risk and sources. Free.
Gut Health Score 計算機
Score your gut microbiome health from dietary habits. Enter fibre intake and lifestyle factors — see gut health score and tips. Free.
炎症性ダイエットスコア
Rate your diet on the anti-inflammatory scale. Enter food frequency — see inflammation score with top foods to add or reduce. Free.
Dementia Risk 計算機
Estimate dementia risk based on lifestyle and health factors. Enter age, APOE status, and modifiable risk factors — see risk score. Free.
Hearing Loss Risk 計算機
Assess your hearing loss risk from noise exposure. Enter dB levels and duration — see safe exposure limits and cumulative damage risk. Free.
Eye Strain Score 計算機
Measure your digital eye strain risk from screen habits. Enter daily screen hours and break frequency — see risk score and the 20-20-20 rule. Free.
Longevity Score 計算機
Calculate a longevity score from diet, exercise, sleep, and lifestyle. Enter your habits — see score, ranking, and top areas to improve. Free.
Pregnancy Nutrition 計算機
Calculate calorie and nutrient targets for each trimester of pregnancy. Based on clinical and medical guidelines. Instant result with week-by-week context.
Dehydration Level 計算機
Estimate dehydration level from symptoms and fluid loss. Enter weight and fluid data — see percentage dehydration and rehydration needs. Free.
Metabolic Age 計算機
Compare your BMR to age-group averages and find your metabolic age. Enter height, weight, age, and sex — see metabolic age. Free.
Back Pain Risk 計算機
Assess lower back pain risk from posture and habits. Enter sitting hours, lifting, and core strength — see risk score. Free.
Sleep Quality 計算機
Score your sleep quality from duration and consistency. Enter bedtime, wake time, and interruptions — see score and tips. Free.
アスレチック回復スコア
Calculate your athletic recovery score. Enter sleep, HRV, resting heart rate, and soreness — see readiness to train with recommendations. Free.
コルチゾールリスクスコア
Assess chronic cortisol and adrenal stress risk. Enter sleep, diet, and stress factors — see risk level and reduction strategies. Free.
免疫力スコア
Score immune system strength from lifestyle inputs. Enter sleep, nutrition, and exercise habits — see immune score and boosters. Free.
ホルモンバランススコア
Assess hormonal balance risk from lifestyle factors. Enter sleep, stress, diet, and exercise — see hormone health score. Free.
妊娠力ダイエットスコア
Score your diet against the Harvard Fertility Diet recommendations. Based on clinical and medical guidelines. Instant result with week-by-week context.
赤ちゃん成長トラッカー
Plot baby weight and height on WHO growth charts and track percentiles. Based on clinical and medical guidelines. Instant result with week-by-week context.
Stress Relief Time 計算機
Compare how long different stress relief techniques take to reduce cortisol. Enter technique — see time to measurable effect and evidence. Free.
Time Audit 計算機
Calculate your available discretionary time after obligations. Enter work, sleep, and commute hours — see free hours per day and week. Free.
Productivity ROI 計算機
Calculate ROI from productivity tools, training, and workflow improvements. Instant result with amortization table, formula and chart. Free financial calculator.
スクリーン依存スコア
Score your smartphone usage and digital wellness risk. Enter daily screen time and patterns — see addiction risk score and guidance. Free.
Child Allowance 計算機
Calculate children's savings and spending from allowance programs. Enter allowance, age, and split — see savings, spending, and charity amounts. Free.
Adoption Cost 計算機
Estimate total adoption costs and federal tax credit. Enter adoption type — see agency, legal, and travel costs with tax credit offset. Free.
Family Vacation Cost 計算機
Budget planner for family vacations and travel. Based on veterinary guidelines. Instant result with breed notes and feeding chart.
Divorce Financial 計算機
Analyse asset division and support payment finances. Enter marital assets and income — see equitable division and support estimate. Free.
Teen Driver Cost 計算機
Estimate insurance increase and discounts for teen drivers. Enter current premium and teen's age — see added cost and available discounts. Free.
College Abroad Cost 計算機
Calculate total cost of studying at an international university. Enter country and program — see tuition, living, and travel costs. Free.
Nanny vs Daycare 計算機
Compare true cost of nanny vs daycare childcare. Enter nanny salary/daycare rate and children — see annual cost comparison. Free.
Kids Savings Plan 計算機
Build a savings plan to fund your child by age 18. Enter monthly contribution and return — see balance at 18 and goal achievement. Free.
Family Health Budget 計算機
Annual healthcare costs including premiums and out-of-pocket. Instant result with breakdown, formula and payment schedule. Free financial calculator.
Baby Gear Budget 計算機
First-year baby costs for new parents. Instant result with breakdown, formula and payment schedule. Free financial calculator.
Private School Cost 計算機
Total K-12 private school tuition with inflation. Instant result with breakdown, formula and payment schedule. Free financial calculator.
特別支援者のための財務計画
Estimate lifetime care costs and ABLE account funding. Enter care costs — see funding gap and ABLE account growth. Free.
Grandparent Gifting 計算機
Calculate annual gift exclusion wealth transfers to grandchildren. Enter gift amount and years — see total transfer and estate reduction. Free.
Family Emergency Fund 計算機
Calculate target emergency fund for families. Enter monthly expenses and children — see 3–6 month target and savings timeline. Free.
Family Life Insurance Need 計算機
Calculate life insurance coverage needed for families. Enter income, debts, and children — see recommended coverage amount. Free.
Adjusted Body Weight 計算機
Calculate adjusted body weight for drug dosing and nutrition. Enter height, weight, and sex — see IBW, ABW, and use cases. Free.
体型指数 (ABSI)
Estimate health risk from body shape measurements. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
理想体重(デヴァイン式)
Calculate ideal body weight using the Devine formula. Enter height and sex — see ideal weight in kg and lb with BMI equivalent. Free.
Lean Mass 計算機
Calculate lean body mass from weight and body fat percentage. Enter weight and body fat % — see LBM, fat mass, and muscle estimate. Free.
Fat-Free Mass 計算機
Estimate fat-free mass from body composition. Enter weight, height, age, and sex — see FFM and fat mass with formula used. Free.
内臓脂肪推定
Estimate visceral fat from waist circumference and BMI. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
ウエストヒップ比の健康リスク
Calculate WHR and assess cardiovascular disease risk. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
Biological Age 計算機
Estimate your biological age from lifestyle and biomarker inputs. Enter metrics — see biological vs chronological age and improvement tips. Free.
骨密度推定
Estimate T-score bone density from age and risk factors. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
ブルーゾーン長寿スコア
Estimate lifespan based on Blue Zone lifestyle factors. Enter diet, activity, and social factors — see longevity score and comparisons. Free.
ウエスト身長比の健康リスク
Assess cardiometabolic health risk from waist-to-height ratio. Based on WHO and clinical guidelines. Instant result with healthy range chart and interpretation.
安静時代謝量
Calculate RMR using the Katch-McArdle formula. Enter lean body mass — see RMR in calories/day and macro targets. Free.
Blood Alcohol Calculator (BAC)
Estimate blood alcohol content based on drinks consumed, weight, gender, and time.