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100+Calculators
15Languages
🏃 フィットネスと健康
- BMI計算機BMI（体格指数）を瞬時に計算。身長と体重を入力してください。
- カロリー計算機年齢、性別、体重、身長、活動レベルに基づいて1日の必要カロリーを計算します。
- ペース計算機km・マイルあたりのランニングペースを計算。トレーニング計画に最適。
- 体脂肪率計算機米海軍方式で体脂肪率を推定します。
- 理想体重計算機複数の計算式で理想体重を算出します。
- 心拍数ゾーン計算機トレーニング用の目標心拍数ゾーンを計算します。
- 出産予定日計算機最終月経開始日から出産予定日を計算します。
- 水分摂取量計算機体重と活動レベルに基づいて1日の水分摂取量を計算。
- 1RM計算機エプリー式で1RMを推定計算します。
- タンパク質計算機体重、目標、活動レベルに基づいて1日のタンパク質必要量を計算。
- 基礎代謝計算機安静時の消費カロリー（基礎代謝）を計算。
- TDEE計算機1日の総エネルギー消費量を計算。
- マクロ計算機1日のマクロ栄養素（タンパク質・炭水化物・脂質）を計算。
- 血中アルコール計算機血中アルコール濃度を推定計算。
- 睡眠計算機90分の睡眠サイクルに基づく最適な就寝時間を計算。
- 歩数カロリー計算機Estimate calories burned from walking based on steps, weight, and pace.
- 排卵日計算機Estimate your most fertile days and ovulation date based on your menstrual cycle.
- ウエスト・ヒップ比計算機Calculate your waist-to-hip ratio to assess health risk related to body fat distribution.
- 除脂肪体重計算機Calculate your lean body mass (total weight minus body fat).
- Blood Pressure CalculatorCheck your blood pressure reading and understand what your systolic and diastolic numbers mean....
- Due Date CalculatorCalculate your estimated due date based on your last menstrual period or conception date. Find out...
- Pregnancy Weight Gain CalculatorCalculate recommended weight gain during pregnancy based on your pre-pregnancy BMI and current week...
🔢 数学
- パーセント計算機パーセンテージを簡単に計算。YのX%はいくら？値上げ、割引なども。
- 分数計算機分数の加減乗除を簡単に計算。
- 平方根計算機任意の数の平方根を瞬時に計算。
- 標準偏差計算機標準偏差、分散、平均値を計算します。
- 科学的記数法計算機数値を科学的記数法に変換します。
- 対数計算機任意の底の対数を計算。
- 16進数変換機16進数と10進数を相互変換。
- GPA計算機成績平均点を計算します。
- 速度距離時間計算機速度、距離、時間を計算。
- 三角形計算機Calculate area, perimeter, and angles of a triangle given sides or dimensions.
- 体積計算機Calculate the volume of common 3D shapes: cube, sphere, cylinder, and cone.
- 面積計算機Calculate the area of common shapes: rectangle, circle, triangle, and trapezoid.
- 乱数生成器Generate random numbers within a range. Perfect for games, decisions, and statistics.
- 二次方程式計算機Solve quadratic equations (ax² + bx + c = 0) and find roots using the quadratic formula.
- 比率計算機Solve ratio proportions and find missing values. If A:B = C:X, find X.
- 累乗計算機Calculate powers and exponents. Find the result of any base raised to any power.
- 平均・中央値・最頻値計算機Calculate mean, median, mode, range, and other statistics for any data set.
- 素数判定機Check if a number is prime and find its factors.
- Scientific CalculatorFree online scientific calculator with trigonometric, logarithmic, and exponential functions....
- Matrix CalculatorCalculate matrix determinant, inverse, transpose, and multiplication. Supports 2x2 and 3x3 matrices.
- Percentage Change CalculatorCalculate the percentage increase or decrease between two values. Find percentage change,...
💰 金融
- 複利計算機貯蓄や投資の複利を計算。時間の経過とともにお金がどう増えるか確認。
- 住宅ローン計算機毎月の住宅ローン返済額、総利息、償却を計算。
- ローン計算機ローンの月々の返済額を計算。
- チップ計算機チップの金額を計算し割り勘します。
- 給与計算機時給・週給・月給・年収を相互変換。
- ROI計算機投資収益率(ROI)を計算。
- 割引計算機セール価格と節約額を計算。
- 自動車ローン計算機自動車ローンの月々の返済額を計算。
- 投資計算機複利と定期積立による投資の将来価値を計算。
- 退職金計算機退職に必要な貯蓄額を計算。
- 所得税計算機連邦所得税を推定計算。
- 消費税計算機消費税額と税込価格を計算。
- インフレ計算機Calculate the impact of inflation on purchasing power over time.
- 借金返済計算機Calculate how long to pay off debt and how much interest you will pay.
- 純資産計算機Calculate your net worth by adding up assets and subtracting liabilities.
- Mortgage Payment CalculatorCalculate your monthly mortgage payment including principal and interest. See how much house you...
- Paycheck CalculatorEstimate your take-home pay after federal and state taxes, Social Security, and Medicare deductions...
📅 日付と時間
- 年齢計算機正確な年齢を年、月、日、時間、分で計算します。
- 日数計算機2つの日付間の日数、週数、月数、年数を計算。
- タイムゾーン変換タイムゾーン間の時刻を変換。
- 日数カウントダウン特定の日付まであと何日か計算。
- Time Duration CalculatorCalculate the duration between two times or add/subtract hours, minutes, and seconds from a time.
- Weeks CalculatorCalculate the number of weeks between two dates or find a date a certain number of weeks from now.
📏 変換
- キロ→マイル変換キロメートルとマイルを相互変換。
- キロ→ポンド変換キログラムとポンドを相互変換。
- 摂氏華氏変換摂氏、華氏、ケルビン間の温度変換。
- センチ→インチ変換センチメートルとインチを相互変換。
- リットル→ガロン変換リットルとガロンを相互変換。
- 靴サイズ変換Convert shoe sizes between US, EU, UK, and CM measurements.
- Binary to Decimal ConverterConvert binary numbers to decimal and decimal to binary instantly. Supports up to 64-bit numbers.
- MPH to KPH ConverterConvert miles per hour to kilometers per hour and vice versa. Quick speed unit conversion...
- Ounces to Grams ConverterConvert ounces to grams and grams to ounces instantly. Covers both avoirdupois and troy ounces.
- Feet to Meters ConverterConvert feet to meters and meters to feet. Also handles feet and inches to centimeters.
- Square Meters to Square Feet ConverterConvert square meters to square feet and vice versa. Essential for real estate and construction.
📊 Construction
- コンクリート計算機Calculate how much concrete you need in cubic yards or bags for your project.
- ペンキ計算機Estimate how much paint you need based on room dimensions and number of coats.
- Concrete Block CalculatorCalculate how many concrete blocks or cinder blocks you need for a wall. Includes mortar estimation.
- Mulch CalculatorCalculate how much mulch you need in cubic yards or bags. Enter your garden bed dimensions and...
- Wallpaper CalculatorCalculate how many rolls of wallpaper you need for a room. Accounts for doors and windows.
📊 Everyday
- 時間計算機Calculate total hours worked between start and end times, with break deduction.
- 成績計算機Calculate your weighted average grade from multiple assignments and their weights.
- 犬年齢計算機Convert your dogs age to human years using the latest scientific research.
- 燃費計算機Calculate your fuel efficiency in MPG or L/100km and estimate fuel costs.
- 電気代計算機Calculate how much an appliance costs to run based on wattage and usage hours.
- 猫年齢計算機Convert your cats age to human years. Cats age faster in their first two years.
- Bra Size CalculatorFind your correct bra size by entering your band and bust measurements. Get your size in US, UK,...
- Ring Size CalculatorFind your ring size from finger circumference or diameter. Convert between US, UK, and EU ring size...
- Love CalculatorFun love compatibility calculator! Enter two names and see your love match percentage. Just for...
- Word CounterCount words, characters, sentences, and paragraphs in your text. Estimate reading time and speaking...
- Password GeneratorGenerate strong, random passwords of any length. Customize with uppercase, lowercase, numbers, and...
📊 Science
- オームの法則計算機Calculate voltage, current, resistance, or power using Ohms Law (V=IR).
- 密度計算機Calculate density, mass, or volume using the formula density = mass/volume.
- 力の計算機Calculate force, mass, or acceleration using Newtons Second Law (F = m × a).
- Subnet CalculatorCalculate subnet mask, network address, broadcast address, and host range from an IP address and...