Time, dates, travel and other calculators for daily use.
Convert how often something happens from one time unit to another. Enter a frequency per second, minute, hour, day, week,…
Find all palindrome dates in any date format (MM/DD or DD/MM, 4-digit or 2-digit year). Search upcoming palindrome dates…
Calculate the ideal rug size for your room based on rug shape, room dimensions, and bare floor perimeter. Supports Rectangle,…
All-in-one hours calculator: add hours for payroll, convert between time units, calculate hours between two times, build…
Calculate Greenwich Mean Sidereal Time (GMST), Greenwich Apparent Sidereal Time (GAST), Local Mean Sidereal Time (LMST),…
Find the perfect tie length for your height, collar size, and knot style. Supports imperial (feet/inches) and metric (cm).…
Calculate the perfect spacing and wall offset for recessed lighting (can lights) on a rectangular ceiling. Enter room dimensions…
Add or subtract years, months, weeks, and days from any date. Find out what date it will be in 90 days, 6 months, or 2 years.…
Find your glove size from palm circumference. Get letter size (XS–XXL) and numeric size for men and women. Supports US/imperial…
Calculate the wattage of any light bulb from its brightness (lumens) and luminous efficacy. Compare LED, CFL, halogen, and…
Calculate the exact fabric needed to make a tote bag or any fabric bag. Enter your desired width, height, and depth to get…
Determine the Moon phase for any date using the synodic month formula. Find the current moon phase, illumination percentage,…
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