Seconds to Centuries Converter

Enter the time in seconds below to get the value converted to centuries.


Result in Centuries:

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1 s = 3.1689E-10 c
Hint: use a scientific notation calculator to convert E notation to decimal

Do you want to convert centuries to seconds?

How to Convert Seconds to Centuries

To convert a measurement in seconds to a measurement in centuries, divide the time by the following conversion ratio: 3,155,695,200 seconds/century.

Since one century is equal to 3,155,695,200 seconds, you can use this simple formula to convert:

centuries = seconds ÷ 3,155,695,200

The time in centuries is equal to the time in seconds divided by 3,155,695,200.

For example, here's how to convert 5,000,000,000 seconds to centuries using the formula above.
centuries = (5,000,000,000 s ÷ 3,155,695,200) = 1.584437 c

Seconds and centuries are both units used to measure time. Keep reading to learn more about each unit of measure.

What Is a Second?

The second has historically been defined as 1/60 of a minute or 1/86,400 of a day. According to the SI definition, the second is the duration of 9,192,631,770 oscillations of the frequency of light emitted from the atomic transition between the two hyperfine levels of the unperturbed ground state of the caesium 133 atom.[1]

The second is the SI base unit for time in the metric system. Seconds can be abbreviated as s, and are also sometimes abbreviated as sec. For example, 1 second can be written as 1 s or 1 sec.

Learn more about seconds.

What Is a Century?

The century is a time period of 100 years. The word century is derived from the Latin word centum, meaning hundred.[2]

Centuries can be abbreviated as c; for example, 1 century can be written as 1 c.

Learn more about centuries.

Second to Century Conversion Table

Table showing various second measurements converted to centuries.
Seconds Centuries
1 s 0.00000000031689 c
2 s 0.00000000063377 c
3 s 0.00000000095066 c
4 s 0.0000000012675 c
5 s 0.0000000015844 c
6 s 0.0000000019013 c
7 s 0.0000000022182 c
8 s 0.0000000025351 c
9 s 0.000000002852 c
10 s 0.0000000031689 c
100 s 0.000000031689 c
1,000 s 0.00000031689 c
10,000 s 0.0000031689 c
100,000 s 0.000031689 c
1,000,000 s 0.000317 c
10,000,000 s 0.003169 c
100,000,000 s 0.031689 c
1,000,000,000 s 0.316887 c
10,000,000,000 s 3.1689 c


  1. International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019,
  2. Merriam-Webster, Century Definition & Meaning,

More Second & Century Conversions