All tools

20 tools you can use immediately. Every calculation stays in your browser.

Money

Tip CalculatorTip amount, total bill, and split per person.Money Compound Interest CalculatorFuture value of savings with deposits and compounding.Money Loan CalculatorMonthly payment, total interest, and payoff for fixed-rate loans.Money Auto Loan CalculatorEstimate monthly car payment from price, down payment, trade-in, rate, and term.Money

Time & Date

Age CalculatorExact age in years, months and days.Time & Date Date CalculatorDays between dates, add or subtract time, days until an event.Time & Date Time CalculatorAdd, subtract and measure durations.Time & Date

Math

Percentage CalculatorPercent of a number, percent change, increase and decrease.Math

Work

Salary CalculatorHourly, monthly and yearly pay, converted both ways.Work

Study

Word CounterWords, characters, sentences, reading and speaking time.Study GPA CalculatorSemester and cumulative GPA from letter grades, percents, and credits.Study Final Grade CalculatorScore needed on the final to hit your target course grade.Study Grade CalculatorWeighted average of assignments for your current course grade.Study

Health & Fitness

BMI CalculatorBody mass index from height and weight.Health & Fitness Calorie CalculatorDaily calorie needs from BMR and activity.Health & Fitness

Shopping

Discount CalculatorSale price, percent off, and how much you actually save.Shopping Margin & Markup CalculatorConvert cost, selling price, margin %, and markup %.Shopping

Converters

Unit ConverterLength, weight, temperature, volume, speed and more.Converters

Generators

Password GeneratorStrong random passwords and passphrases, created in your browser.Generators QR Code GeneratorCreate free QR codes for URLs, Wi-Fi, or text — download PNG or SVG.Generators