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시간 단위 변환
밀리초, 초, 분, 시간, 일, 주, 년 — 시간 단위 변환
Second (s) —
Millisecond (ms) —
Minute (min) —
Hour (h) —
Day (d) —
Week —
Month (30d) —
Year (365d) —
Time Unit Converter — Milliseconds Seconds Minutes Hours Days
1 s = 1000 ms, 1 min = 60 s, 1 h = 3600 s, 1 day = 86400 s. Convert milliseconds, seconds, minutes, hours, days, weeks, and years in real time.
Time Conversion Formulas
1 min = 60 s, 1 h = 3600 s, 1 day = 86400 s, 1 week = 604800 s, 1 year ≈ 31536000 s (365 days). Base unit: second (s). Leap year = 31622400 s.
자주 묻는 질문
How many seconds are in a day?
1 day = 24 h × 60 min × 60 s = 86400 seconds. 1 week = 604800 s, 1 year (365 days) = 31536000 s.
How many days is 10000 hours?
10000 hours ≈ 416.67 days ≈ 1.14 years. This is the "10000-hour rule" popularized by Malcolm Gladwell for achieving mastery.
What is the difference between milliseconds and microseconds?
1 s = 1000 ms, 1 ms = 1000 μs. setTimeout uses milliseconds in JavaScript; high-performance timers use microseconds. This tool uses milliseconds as the smallest unit.