Time converter
ConvertersNo. 18 / 24approved
One value, every time — seconds, minutes, hours, days, weeks, months and years. Because a year means different things to calendars and courtrooms.
a day is 86,400 seconds — the number your alarm clock mocks you with every morning.
work surface
Math, not advice — results are indicative. Read the disclaimer.
most-used utilities
Movie run time
2 hours. Short enough for a movie, long enough for the credits to feel earned.
Workday
8 hours. The classic shift, give or take your lunch.
Sleep
7 hours of sleep. The medically approved amount you still won't get.
Marathon PR
3 hours. The marathon time that earns a medal and a lie about your pace.
Attention span
8 seconds. The modern attention span, roughly.
One year
365 days. Give or take a leap day, and a few you'd rather skip.
pro tips
A month is a neat 30 days and a year is 365 — the calendar takes personal offence if you ask for more.
A day is 86,400 seconds — the number your alarm clock mocks you with every morning.
Rough math: a year is 8,760 hours. The invoice your employer sends you, in reverse.
what it does
Type a number, pick its unit, and every other time unit updates at the same time. Milliseconds, seconds, minutes, hours, days, weeks, months and years — the whole timeline in one screen.
The conversion runs through seconds, the unit the stopwatches quietly agree on. Click any result to copy that particular value, because someone will always ask for the number in hours.
Handy for running, movies, deadlines and the eternal "how many seconds is that, really?" — the question that makes meetings feel longer.
Use it when a run says "under 3 hours" and you want the minutes, when a download says "2 hours left" and you want to know if that's before dinner, or when you need to prove a "quick task" was really four days. It converts the whole timeline at once — click any result to copy it.
quick answers
How many seconds are in an hour?
3,600 — 60 minutes of 60 seconds. The widget shows it and every other unit at once.
Is a month always 30 days?
For this converter, yes — we use a neat 30-day month so the maths stays round. Real calendars disagree, and we let them.
How many hours are in a year?
8,760 for a 365-day year. That's the number your boss quietly thinks about while you enjoy your weekend.
Why convert everything to seconds?
Seconds are the unit everyone agrees on, so every conversion runs through them — fast, exact and without opinion.