Everyday lookup tools

Common life, date, calendar, body, and public information utilities.

Subcategories

This category is split by real user workflows so each tool set is easier to scan.

44 tools

Common life, date, calendar, body, and public information utilities.

Age, leap year, day-of-year, English date formats, and Japanese era conversion.

Date math, range summaries, week numbers, month calendars, durations, quarters, and format conversion.

Workdays, countdowns, stopwatch/timer, world time, and business-hour calculations.

Lunar dates, lunar-to-solar conversion, 24 solar terms, and Chinese almanac lookup.

Muscles, height, BMI, BMR, body fat, healthy weight, calories, sleep, and water intake.

Menstrual cycle prediction and pregnancy due date lookup.

Units, RMB uppercase, China ID, fuel consumption, shelf life, and GPA.

Chinese relation titles, Bazi entertainment, zodiac, dream lookup, and feng shui study.

Global attractions, photo spots, food, activities, and travel tips.

Use this date calculator tool to inspect, convert, or generate a clear result directly in your browser.

Summarize a date range with inclusive days, days between, weekdays, weekends, full weeks, month coverage, and weekday distribution.

Look up ISO week number, week-year, weekday index, week start and end dates for a Gregorian date.

Generate a month calendar with week rows, weekdays, weekends, ISO week labels, and date details.

Convert days, hours, minutes, seconds, and milliseconds into total units and a normalized human-readable duration.

Find the calendar quarter for a date, quarter start and end dates, progress, remaining days, and next quarter.

Convert a local date and time into ISO, UTC, Chinese, slash, compact, Unix timestamp, and RFC 3339 formats.