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Free Time Converter
Convert time units instantly — seconds, minutes, hours, days, weeks, months, years, milliseconds, microseconds. Free, symmetrical, no sign-up.
Why symmetrical conversion?
How This Converter Works
Time spans everything from nanoseconds in computing to years in planning. Our converter handles 10 time units from nanoseconds to years simultaneously, useful for everything from coding to project management.
Quick reference
Common Conversions
| Seconds | Minutes | Hours | Context |
|---|---|---|---|
| 60 s | 1 min | 0.0167 h | One minute |
| 3,600 s | 60 min | 1 h | One hour |
| 86,400 s | 1,440 min | 24 h | One day |
| 604,800 s | 10,080 min | 168 h | One week |
| 2,628,000 s | 43,800 min | 730 h | One month (avg) |
| 31,557,600 s | 525,960 min | 8,766 h | One year |
FAQ
Frequently Asked Questions
1How many seconds are in a day?
One day has 86,400 seconds: 24 hours × 60 minutes × 60 seconds = 86,400.
2How many hours are in a year?
One year has approximately 8,765.81 hours (365.2425 days × 24 hours). A leap year has 8,784 hours.
3What is the difference between a month and 30 days?
Not all months have 30 days. An average month is 30.4375 days (365.25 ÷ 12), used in general time calculations. Our converter uses 2,628,000 seconds per month as the standard average.
4How do milliseconds compare to seconds?
One second = 1,000 milliseconds. In computing, response times and latency are measured in milliseconds. A blink of an eye takes about 150–400 milliseconds.
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