Everyday utilities
Lunar calendar, zodiac, dates, admission scores, time zones, BMI, calories, due dates, units.
Tools in this category
- BMI calculatorNewWork out your BMI on WHO and Asian cut-offs, plus a healthy weight for your height.
- Date calculatorNewDays between two dates, working days, adding or subtracting dates, and exact age.
- Vietnamese Lunar CalendarNewConvert between solar and Vietnamese lunar dates, with stem-branch names, solar terms and lucky hours.
- Random PickerNewDraw random numbers, pick names, split teams, flip coins and roll dice.
- Unit ConverterNewConvert length, weight, area, volume, temperature, speed, data and time.
- Countdown & StopwatchNewCountdown timer with alarm, lap stopwatch and days-until-event counter.
- Split Bill CalculatorNewSplit a bill equally, by shares or by items, with fees and VAT, and see who pays whom.
- Due Date CalculatorNewEstimate your due date from your last period, conception or an ultrasound, with today's gestational age and milestones.
- Calorie Calculator (BMR, TDEE)NewBMR, TDEE and daily calories to lose, keep or gain weight, with a suggested protein, fat and carb split.
- Vietnamese Zodiac & ElementNewFind the lunar year, zodiac animal and nạp âm element of a birth date, plus Vietnamese age.
- Time Zone ConverterNewConvert times between cities with daylight saving handled, and find a meeting time that suits all.
- Grade Average & GPA CalculatorNewSemester and year averages under Vietnam's Circular 22, overall ratings and university GPA.
- University Admission Score CalculatorNewThree-subject total, area and group priority points tapering from 22.5, doubled subjects and bonus points.
Everyday tools: lunar calendar, zodiac, BMI
Small everyday calculations and lookups: convert between the Vietnamese lunar and solar calendars, count days to a deadline, work out an age, check your BMI, convert units, or pick a random winner. Everything runs in your browser and every result comes with an explanation you can check.