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Time Unit Conversion Calculators

Overview:

Time Units are a measure of fundamental quantity used to sequence events, compare durations, and quantify the intervals between them. Different units are used to measure time depending on the context and the required precision. Convert between various units of time including second, atomic unit of time, femtosecond, picosecond, nanosecond, microsecond, millisecond, jiffy, minute, hour, day, week, month, year, decade, century and millennium using the calculator and instructions below.

Calculator for Converting Units of Time

Instructions:

  1. Choose the units you would like to convert to using the drop down options.
  2. Enter known value in one of the available calculator fields.
  3. Choose how many decimal places you wish answer to round to, the default value is five.
  4. Press solve button to find remaining unknown value.
  5. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  6. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.

requirements not met -
Enter one value in the available fields.

Calculation History

Note: only shows calculations performed in current session - If you refresh the page all history will be removed.

Would you like to do a custom conversion? CONVERT CUSTOM UNITS HERE

Require different units not displayed?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
unit seconds (s)
a.u. 2.4188843265864x10-17
fs 10-15
ps 10-12
ns 10-9
μs 10-6
ms 10-3
j 0.0166
s 1
min 60
hr 3600
day 86400
year 13.1536x107
decade 13.1536x108
century 13.1536x109
millennium 13.1536x1010