How many seconds in a year?

A standard year has 31,536,000 seconds (365 days × 24 hours × 60 minutes × 60 seconds). A leap year has 31,622,400 seconds.

How many weeks in a year?

A year has approximately 52.14 weeks (365 days ÷ 7). This is why some years have 53 weeks in certain calendar systems.

A fortnight is exactly 14 days (2 weeks). The term comes from Old English 'fourteen nights' and is still commonly used in the UK and Australia.

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Free Time Converter — Hours, Minutes, Seconds, Days

Convert between units of time

From

1 h = 60 min

Quick Reference

Value	Equivalent
1 minute	60 seconds
1 hour	60 minutes / 3,600 seconds
1 day	24 hours / 86,400 seconds
1 week	7 days / 168 hours
1 month (avg)	30.4375 days
1 year	365.25 days / 8,766 hours
1 year	31,557,600 seconds

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About Time Conversion

Time conversion is essential for project planning, scientific calculations, and everyday scheduling. Our converter handles everything from milliseconds to years, including less common units like fortnights and lunar months.

Convert between seconds, minutes, hours, days, weeks, months, and years instantly. Also supports milliseconds, microseconds, and nanoseconds for technical use.