Free Online Tools, No Sign Up

Free calculators and converters for units, finance, health, and date & time. Use tools directly in your browser with no account required.

Unit Converters

Length converterTemperature converterWeight converterArea converterVolume converterTime converterCooking converter

Finance Calculators

Meeting costFreelancer rate calculatorLoan payoff calculatorFIRE number calculatorInflation calculator

Date & Time Calculators

Age calculatorDays between datesDate calculatorUnix timestamp converterWeek number calculatorCurrent week number

Health & Body Calculators

BMI calculatorTDEE calculatorMacro calculatorIdeal weight calculatorBody fat calculator

Fashion & Style Tools

Outfit color palette generatorNail Color Matcher

UI Design Tools

CSS gradient generatorCSS box shadow generatorColor palette generator

Productivity Tools

30-day challenge generator

Room Planner

Room planner