Time Unit Conversion Calculators
- Convert HH:MM:SS to Decimal Hours, Minutes, and Seconds
- Convert HH:MM:SS to Hours
- Convert HH:MM:SS to Minutes
- Convert HH:MM:SS to Seconds
- Convert Years
- Convert Months
- Convert Weeks
- Convert Days
- Convert Hours
- Convert Minutes
- Convert Seconds
- Convert Milliseconds
Measuring Time
Time is the measurement of the sequence and duration of events occurring in the past, present, and future. Dictionary.com defines time as the system of those sequential relations that any event has to any other, as past, present, or future; indefinite and continuous duration regarded as that in which events succeed one another.
Calendars, clocks and watches are all instruments for measuring time. Calendars can be used to measure years, months, and days, while clocks can be used to measure hours, minutes, and seconds. A year is equal to 12 months, a month is equal to 28-31 days, a day is equal to 24 hours, an hour is equal to 60 minutes, and a minute is equal to 60 seconds.
The table below compares common measures of time. Use the unit conversion tools above to convert from one unit of time to another unit of time.
Units of Time Measurement
Common Time Measurement Conversions
- Hours to minutes time conversion
- 1 hour is equal to 60 minutes
- Hours to seconds time conversion
- 1 hour is equal to 3,600 seconds
- Hours to milliseconds time conversion
- 1 hour is equal to 3,600,000 milliseconds
- Days to hours time conversion
- 1 day is equal to 24 hours
- Days to minutes time conversion
- 1 day is equal to 1,440 minutes
- Days to seconds time conversion
- 1 day is equal to 86,400 seconds
Time Unit Conversion Table
| Convert From | Year | Month | Week | Day | Hour | Minute | Second | Millisecond |
|---|---|---|---|---|---|---|---|---|
| 1 year = | 1 yr | 12.000008 mo | 52.177414 wk | 365.241898 day | 8,766 hr | 525,948 min | 31,556,900 sec | 31,556,900,000 ms |
| 1 month = | 0.083333 yr | 1 mo | 4.348115 wk | 30.436806 day | 730.483333 hr | 43,829 min | 2,629,740 sec | 2,629,740,000 ms |
| 1 week = | 0.019165 yr | 0.229985 mo | 1 wk | 7 day | 168 hr | 10,080 min | 604,800 sec | 604,800,000 ms |
| 1 day = | 0.002738 yr | 0.032855 mo | 0.142857 wk | 1 day | 24 hr | 1,440 min | 86,400 sec | 86,400,000 ms |
| 1 hour = | 0.000114 yr | 0.001369 mo | 0.005952 wk | 0.041667 day | 1 hr | 60 min | 3,600 sec | 3,600,000 ms |
| 1 minute = | 0.0000019013 yr | 0.000022816 mo | 0.000099206 wk | 0.000694 day | 0.016667 hr | 1 min | 60 sec | 60,000 ms |
| 1 second = | 0.000000031689 yr | 0.00000038027 mo | 0.0000016534 wk | 0.000011574 day | 0.000278 hr | 0.016667 min | 1 sec | 1,000 ms |
| 1 millisecond = | 0.000000000031689 yr | 0.00000000038027 mo | 0.0000000016534 wk | 0.000000011574 day | 0.00000027778 hr | 0.000016667 min | 0.001 sec | 1 ms |
