Online calculation of product shelf life, expiry date, and near expiry status, supporting precise calculation by production date or expiry date.
Online leap year calculator, quickly verify if a year is a leap year, and list all leap years within a specified range, convenient for date lookup and planning.
Accurately calculate solar age, lunar age, days alive, and quickly query zodiac sign, constellation, and lunar/solar birthday information.
Quickly calculate the lunar and solar dates and day of the week for important anniversaries like baby's full moon, hundred days, and first birthday, helping you plan with ease.
Accurately calculate countdowns for important dates, supporting both lunar and solar calendars, precise to weeks, days, hours, minutes, and seconds.
Quickly and accurately calculate the stamp duty payable for various contracts, property transfer deeds, business capital account books, and other documents.
Online fuel consumption calculator, quickly calculate your car's fuel consumption per 100 km, fuel consumption per km, and other data to help you understand your vehicle's fuel consumption.
Online BMI calculator, quickly calculates BMI index and assesses health status based on your height and weight.