Convert between seconds, minutes, hours, days, weeks, months, and years. Enter a value and pick the units.
Converted
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In the target unit.Usage Tip
For precise spans such as billing periods or ages, count actual calendar days rather than converting from an average month or year.
THE MATH
Convert to a base unit, then to the target:
result = value × (from factor ÷ to factor)
result = value × (from factor ÷ to factor)
Time converts through seconds. Months and years vary in length, so this uses averages (1 month ≈ 30.44 days, 1 year = 365.25 days).
For exact calendar spans, use a date calculator instead.
For exact calendar spans, use a date calculator instead.
Months and years are not fixed lengths; the averages here are for rough conversion, not calendar math.
For exact day counts between dates, use a date or age calculator.
1 day = 86,400 seconds; 1 week = 604,800 seconds.
For exact day counts between dates, use a date or age calculator.
1 day = 86,400 seconds; 1 week = 604,800 seconds.