Time Converter

Convert between time units

Formula

1 min = 60 s, 1 hr = 3600 s, 1 day = 86,400 s, 1 wk = 604,800 s, 1 mo ≈ 2,629,746 s, 1 yr = 31,556,952 s (365.25 days)

Second is the SI base unit for time. Months and years use average values (30.44 days, 365.25 days) for conversion purposes.

How to Calculate Manually

1
Enter the time value
2
Select source unit
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Select target unit
4
Calculator converts through seconds
5
Shows converted time

Reference Table

Unit	Seconds	Minutes	Hours	Days
1 second	1	0.0167	0.000278	0.0000116
1 minute	60	1	0.0167	0.000694
1 hour	3,600	60	1	0.0417
1 day	86,400	1,440	24	1
1 week	604,800	10,080	168	7
1 month (avg)	2,629,746	43,829	730.5	30.44
1 year	31,556,952	525,949	8,765.8	365.25

Time Converter: Seconds, Minutes, Hours, Days, Weeks, Years Explained

Time conversion is fundamental to science, engineering, computing, and daily life. From nanoseconds in CPU cycles to years in project planning, understanding time units is essential. The second is the SI base unit...

Frequently Asked Questions

How many seconds in a day? 1 day = 86,400 seconds (24 × 60 × 60). 1 week = 604,800 seconds.: 1 day = 86,400 seconds (24 × 60 × 60). 1 week = 604,800 seconds.
How many minutes in a year? 1 year = 525,600 minutes (365 × 24 × 60). Leap year = 527,040 minutes.: 1 year = 525,600 minutes (365 × 24 × 60). Leap year = 527,040 minutes.
What's a fortnight? 1 fortnight = 2 weeks = 14 days = 336 hours = 1,209,600 seconds. Common in UK and Commonwealth countries.: 1 fortnight = 2 weeks = 14 days = 336 hours = 1,209,600 seconds. Common in UK and Commonwealth countries.

Calculator

Formula

Formula

How to Calculate Manually

Reference Table

Time Converter: Seconds, Minutes, Hours, Days, Weeks, Years Explained

Frequently Asked Questions

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