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100+Calculators
15Languages
🏃 健身与健康
- BMI计算器即时计算您的体质指数(BMI)。输入身高和体重即可。
- 卡路里计算器根据年龄、性别、体重、身高和活动水平计算每日卡路里需求。
- 配速计算器计算每公里或每英里的跑步配速。适合训练和比赛规划。
- 体脂率计算器使用美国海军方法估算您的体脂率。
- 理想体重计算器使用多种公式计算您的理想体重。
- 心率区间计算器计算训练目标心率区间。
- 预产期计算器根据末次月经计算预产期。
- 每日饮水量计算器根据体重和活动水平计算每日饮水量。
- 1RM计算器使用Epley公式估算您的最大重量。
- 蛋白质计算器根据体重、目标和活动水平计算每日蛋白质需求。
- 基础代谢率计算器计算您的基础代谢率(BMR)。
- TDEE计算器计算每日总能量消耗。
- 宏量营养素计算器计算每日宏量营养素需求。
- 血液酒精浓度计算器估算您的血液酒精浓度。
- 睡眠计算器根据90分钟睡眠周期找到最佳入睡时间。
- 步数卡路里计算器Estimate calories burned from walking based on steps, weight, and pace.
- 排卵期计算器Estimate your most fertile days and ovulation date based on your menstrual cycle.
- 腰臀比计算器Calculate your waist-to-hip ratio to assess health risk related to body fat distribution.
- 瘦体重计算器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
- 百分比计算器轻松计算百分比。Y的X%是多少？涨幅、折扣等。
- 分数计算器轻松计算分数的加减乘除。
- 平方根计算器即时计算任意数的平方根。
- 标准差计算器计算标准差、方差和平均值。
- 科学记数法计算器将数字转换为科学记数法。
- 对数计算器计算任意底数的对数。
- 十六进制转换器十六进制与十进制互相转换。
- GPA计算器计算您的平均绩点。
- 速度距离时间计算器计算速度、距离或时间。
- 三角形计算器Calculate area, perimeter, and angles of a triangle given sides or dimensions.
- 体积计算器Calculate the volume of common 3D shapes: cube, sphere, cylinder, and cone.
- 面积计算器Calculate the area of common shapes: rectangle, circle, triangle, and trapezoid.
- 随机数生成器Generate random numbers within a range. Perfect for games, decisions, and statistics.
- 二次方程计算器Solve quadratic equations (ax² + bx + c = 0) and find roots using the quadratic formula.
- 比例计算器Solve ratio proportions and find missing values. If A:B = C:X, find X.
- 指数计算器Calculate powers and exponents. Find the result of any base raised to any power.
- 均值中位数众数计算器Calculate mean, median, mode, range, and other statistics for any data set.
- 质数检查器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
- 复利计算器计算储蓄或投资的复利。查看您的资金如何随时间增长。
- 房贷计算器计算每月房贷还款额、总利息和摊销。
- 贷款计算器计算任何贷款的月供。
- 小费计算器计算小费金额并分摊账单。
- 工资计算器在时薪、周薪、月薪和年薪之间转换。
- ROI计算器计算投资回报率(ROI)。
- 折扣计算器计算折扣价和节省金额。
- 车贷计算器计算汽车贷款月供和利息。
- 投资计算器计算投资的未来价值。
- 退休计算器计算退休所需的储蓄额。
- 所得税计算器估算您的联邦所得税。
- 销售税计算器计算销售税和含税总价。
- 通胀计算器Calculate the impact of inflation on purchasing power over time.
- 债务偿还计算器Calculate how long to pay off debt and how much interest you will pay.
- 净资产计算器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...
📅 日期与时间
- 年龄计算器精确计算您的年龄，以年、月、日、小时和分钟为单位。
- 日期差计算器计算两个日期之间的天数、周数、月数和年数。
- 时区转换器在不同时区之间转换时间。
- 倒数日计算器计算距离特定日期还有多少天。
- 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.
📏 转换
- 公里英里转换器公里与英里互相转换。
- 公斤磅转换器公斤与磅互相转换。
- 摄氏华氏转换器在摄氏、华氏和开尔文之间转换温度。
- 厘米英寸转换器厘米与英寸互相转换。
- 升加仑转换器升与加仑互相转换。
- 鞋码转换器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
- 混凝土计算器Calculate how much concrete you need in cubic yards or bags for your project.
- 油漆计算器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
- 工时计算器Calculate total hours worked between start and end times, with break deduction.
- 成绩计算器Calculate your weighted average grade from multiple assignments and their weights.
- 狗龄计算器Convert your dogs age to human years using the latest scientific research.
- 油耗计算器Calculate your fuel efficiency in MPG or L/100km and estimate fuel costs.
- 电费计算器Calculate how much an appliance costs to run based on wattage and usage hours.
- 猫龄计算器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
- 欧姆定律计算器Calculate voltage, current, resistance, or power using Ohms Law (V=IR).
- 密度计算器Calculate density, mass, or volume using the formula density = mass/volume.
- 力计算器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...