Time Unit Converter

Convert between seconds, minutes, hours, days, weeks, months and years, with the exact factor shown.

Common conversions

How many weeks are in a year?

A common year has 52 weeks and 1 day, which works out to about 52.14 weeks. A leap year has 52 weeks and 2 days, or about 52.29 weeks. Neither divides evenly, which is why a year never lines up exactly with a whole number of weeks and a fixed weekly schedule slowly drifts against the calendar.

This converter uses a 365-day year for its calculations, matching the common year figure most references quote. For the exact weekday-accurate answer on a specific date range, use the Weeks Between Dates Calculator instead, which counts real calendar weeks rather than an average.

Why "months" and "years" here are averages

Months and years do not have a fixed length in days: February has 28 or 29 days, other months have 30 or 31, and a year has 365 or 366 depending on whether it is a leap year. A unit converter needs one fixed number to work with, so this tool uses a 365-day year and a 30.42-day average month, the same convention used by most time unit converters and by Google's own conversion tool.

If you need the exact number of days between two real calendar dates rather than an average, use the Date Difference Calculator, which counts the actual days, including any leap years in the range.

Quick reference

  • 1 week = 7 days = 168 hours
  • 1 month (average) = about 30.4 days = 4.35 weeks
  • 6 months = about 182.5 days, roughly 26 weeks
  • 1 year = 365 days = 52.14 weeks = 8,760 hours
  • 2 years = 730 days

Common questions

52 weeks and 1 day in a common year, which is about 52.14 weeks. A leap year has 52 weeks and 2 days, about 52.29 weeks. Enter 1 year above with the unit set to weeks for the precise decimal figure.
About 182.5 days, using the average month length this converter applies. The real figure for a specific 6 month stretch varies between 181 and 184 days depending on which months are included and whether a leap year February falls inside the range.
Exactly 42 days. Unlike months, weeks convert to days with no rounding or averaging, since a week is always 7 days.
Exactly 120 hours. Each day is 24 hours, so multiplying by 5 gives the exact figure with no averaging involved.
730 days using the 365-day convention this converter applies. The real figure for two specific calendar years is 730 or 731 days, depending on whether a February 29 falls within the exact range.

Continue with

All tools
Weeks Ago The exact date a given number of weeks ago. Days From Today Add or subtract days, weeks, months or years. Hours From Now The exact time a given number of hours from now. Months From Now The exact date a given number of months ahead.