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Find your tool 25 free tools · No account requiredA few everyday questionsWhat is 15% of 200?30How many cm in an inch?2.5409:00–17:30, minus a 30 min break8 h
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Money & percentages
Percentage CalculatorChoose your percentage question, or explore how consecutive changes add up.Compound Interest CalculatorProject your savings, then solve the monthly contribution needed to reach a goal.Tip CalculatorSplit a bill evenly, or allocate the tip fairly by what each person spent.Discount CalculatorCalculate a sale price, then compare offers with shipping included.VAT CalculatorAdd or remove VAT, then check a basket with a different tax rate on each item.Salary to Hourly CalculatorConvert your pay and compare another offer using its own working hours.Overtime CalculatorCalculate weekly gross pay, or find the extra hours needed for a pay target.Fuel Cost CalculatorEstimate the fuel cost of any trip and split it with your passengers.
Dates & time
Days Between DatesCount your date span and see its progress, midpoint and milestones.Business Days CalculatorCount working days between dates or find the date N business days from now.Date CalculatorPick a start date and add or subtract any number of days, weeks, months or years.Week NumberThe current ISO week number, plus week numbers for any date or year.Hours CalculatorEnter start and end times for each day to total your hours and pay.Meeting PlannerAdd your team’s locations to find hours that work for everyone.Military Time ConverterType a time like 3:45 PM or 1545 — it converts instantly in both directions.Countdown TimerCreate a live countdown to any date and share it with a link.Online StopwatchTime the effort. Compare lap consistency and work toward a target.Pomodoro TimerMake space for focused work. Preview a full focus block before you begin.Age CalculatorCalculate exact age, then look up birthdays and milestone dates.Dog & Cat Age CalculatorEstimate your pet’s age equivalent and compare the model’s dog-size assumptions.
Conversions & maths
Unit ConverterConvert any measurement between metric and imperial units instantly.Cooking ConverterConvert recipe measurements between cups, spoons, grams and ounces for common ingredients.Shoe Size ConverterFind your shoe size in US, UK, European and Japanese (cm) sizing.LCM CalculatorEnter two or more whole numbers to get the least common multiple, the GCF and the working.Standard Deviation CalculatorPaste your numbers to get the standard deviation, variance, mean and a step-by-step table.