Time Converter Online
Free online time unit converter. Convert between seconds, minutes, hours, days, weeks, months, and years. Instant, precise results.
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Tip: Click any result row to instantly copy its value to clipboard
💡 Definition
Time Converter
- Time is a fundamental dimension measuring the duration of events.
- The SI base unit is the second (s).
- This converter handles common time periods from milliseconds to years, using standard calendar definitions (1 year = 365.25 days average).
📖 How to use
Step by Step
- Enter a time value and choose your source unit from the Convert From dropdown
- All equivalent time values appear instantly in the results grid
- The source unit row is highlighted in purple for clarity
- Click any result row to copy that value to your clipboard
🎯 Use cases
When to use
- Project management time calculations
- Converting video/audio durations
- Scientific experiment timing
- Planning schedules across different time units
Frequently Asked Questions
How many seconds are in a day?▾
There are exactly 86,400 seconds in a day (24 hours × 60 minutes × 60 seconds). This is the basis for Unix timestamp calculations.
How many weeks are in a year?▾
A standard year has approximately 52.1775 weeks (365.25 days ÷ 7). A calendar year of 365 days has exactly 52 weeks and 1 day.
What is a millisecond?▾
A millisecond is one thousandth of a second (0.001 s). It is commonly used in computing, network latency, and high-speed measurements.