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Time Converter – 12 units of time

Convert time between h, min, s, d, wk, yr and more – exact and instant.

1 h = 60 min

Formula: min = h × 60

Common values
Decimals
In every unit 12 units
Nanosecond (ns) 3,600,000,000,000 ns
Microsecond (µs) 3,600,000,000 µs
Millisecond (ms) 3,600,000 ms
Second (s) 3,600 s
Minute (min) 60 min
Hour (h) 1 h
Day (d) 0.04166666667 d
Week (wk) 0.005952380952 wk
Month (mo) 0.001368953503 mo
Year (yr) 0.0001140794586 yr
Decade (dec) 0.00001140794586 dec
Century (c.) 0.000001140794586 c.

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Units of time

Nanosecond (ns)SI (metric) unit1 ns = 1 × 10⁻⁹ s
Microsecond (µs)SI (metric) unit1 µs = 0.000001 s
Millisecond (ms)SI (metric) unit1 ms = 0.001 s
Second (s)SI (metric) unit
Minute (min)metric unit accepted with the SI1 min = 60 s
Hour (h)metric unit accepted with the SI1 h = 3,600 s
Day (d)metric unit accepted with the SI1 d = 86,400 s
Week (wk)unit1 wk = 604,800 s
Month (mo)unit1 mo = 2,629,746 s
Year (yr)unit1 yr = 31,556,952 s
Decade (dec)unit1 dec = 315,569,520 s
Century (c.)unit1 c. = 3,155,695,200 s

How to use: Time Converter

  1. 1 Pick the unit you have and the unit you need.
  2. 2 Type the value – the result in the other unit appears at once (type in the result field to convert back).
  3. 3 Use a common value, set the decimals or swap the units with one click.
  4. 4 Open “In every unit” to see the value in all 12 units of time.

About this tool

Time is converted between seconds, minutes, hours, days, weeks, months and years. Months and years have different lengths, so this converter uses the average Gregorian month and year.

Here every value is converted through the second (s). Choose any two of the 12 units below the converter, or start from one of the popular conversions.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

Which units of time can I convert?

Nanosecond (ns), Microsecond (µs), Millisecond (ms), Second (s), Minute (min), Hour (h), Day (d), Week (wk), Month (mo), Year (yr), Decade (dec) and Century (c.).

Which time conversions are used most?

1 h = 60 min; 1 min = 60 s; 1 d = 24 h; 1 wk = 7 d; 1 yr = 365.2425 d; 1 ms = 0.001 s.

How exact is the converter?

Each unit is defined by its official value in s, so conversions are exact up to the 10 significant digits shown; you can round to 0–6 decimals.

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