Everyday Life Calculators (Page 4)

Discounts, tips, time, dates and other everyday helpers.

Convert head circumference into cm, US, UK and EU hat sizes.

Find the years/months/weeks/days between two dates, or add or subtract years, months, weeks and days from a date to get the result date.

Convert hours into days, weeks, minutes, seconds and milliseconds, or combine hours/minutes/seconds into decimal hours.

Enter a start and end date to get the number of days and weeks between them, optionally including the end day.

Enter any date to instantly see its weekday (English/Chinese) and ISO weekday number (Mon=1 … Sun=7).

Enter clock-in/out times and break minutes to compute total worked minutes and decimal hours, with automatic next-day handling.

Enter a height and its unit (cm/m/ft/in) to convert into centimeters, meters, feet and inches at once.

Enter distance and fuel used to compute both MPG (mi/gal) and L/100km.

Compute GST and the tax-inclusive total from an amount and rate.

Compute VAT and the tax-inclusive total from an amount and rate.

Reverse-calculate the final exam score needed to hit your target grade.