计算器

Calculate percentages, tip amounts, and percentage changes with precision

Advanced multi-functional calculator with trigonometric, logarithmic, and exponential functions

Calculate mean, median, mode, standard deviation, and variance for sets of data

Add, subtract, multiply, and divide fractions, and simplify them to lowest terms

Calculate your exact age in years, months, weeks, days, and even minutes

Track your academic performance with weighted GPA and semester grade estimates

Compute network ranges, broadcast addresses, and CIDR masks for IPv4 networking

Calculate your Body Mass Index (BMI) and Basal Metabolic Rate (BMR) with health insights

Estimate daily calorie needs and macronutrient distribution for your fitness goals

Compute your ideal body weight based on multiple scientific formulas

Calculate monthly EMI, total payment, and interest for loans

Calculate the difference between two dates in days, weeks, months, and years

Convert between units of length, weight, temperature, area, and volume

Calculate tip amount and split bill between multiple people

Calculate discounted price, savings amount, and discount percentage

Convert time between different time zones around the world

Estimate your monthly mortgage payments, including taxes, insurance, and PMI

Calculate how your investments grow over time with compound interest and regular contributions

Calculate the purchasing power of money over time based on inflation rates

Add or remove VAT from any amount instantly with preset rates and multiple currency symbols

Convert amounts between 25+ world currencies using approximate exchange rates

Calculate return on investment, net profit, annualized ROI, and investment multiple

Calculate the Nth Fibonacci number or list Fibonacci numbers with golden ratio approximation

Check if a number is prime, find its factors, or list all primes up to a given limit

Estimate your retirement savings, monthly income, and inflation-adjusted totals

使用美国海军方法计算体脂百分比——支持公制和英制，并分解脂肪量与瘦体重

计算盈亏平衡点、贡献毛利率以及达到利润目标所需的销售单位数

追踪资产和负债，通过交互式资产负债表计算总净资产

创建含明细项目、税费、折扣及多种货币的专业发票——可打印或保存为 PDF

根据美国 2024 年税级计算税后薪资、联邦税、FICA 及 401(k) 缴款

生成随机数、从范围中选取、掷骰子，并使用密码学随机性创建随机序列