AccuUnit
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Time Converter.

Convert milliseconds, seconds, minutes, hours, days, weeks, months, and years.

Time Converter
ms
s
Value in Seconds = Value in Milliseconds × 0.001 Multiply the value in milliseconds by the conversion factor 0.001.

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Units Defined in Time

Below is the complete registry of units supported within the conversion tool.

Millisecond

ms, millisecond, milliseconds

One-thousandth of a second.

Second

s, sec, second, seconds

The base SI unit of time.

Minute

min, minute, minutes

Sixty seconds.

Hour

h, hr, hour, hours

Sixty minutes, or 3,600 seconds.

Day

d, day, days

Twenty-four hours. Represented as exactly 86,400 seconds.

Week

wk, week, weeks

Seven days or 168 hours.

Month

mo, month, months

Defined as average calendar length (30.436875 days or 1/12 of a Julian year).

Year

yr, year, years

Defined as a Julian year of exactly 365.25 days of 86,400 seconds.

Supported Conversions for Time

Quick lookup links for popular conversions in this directory.

FAQs

Frequently Asked Questions

How many seconds are in a day?

There are exactly 86,400 seconds in a 24-hour day.

How many weeks are in a year?

There are 52 weeks and 1 day (or 2 days in a leap year) in a standard year, which is approximately 52.177 weeks.

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