It takes a little less than 12 days for a million seconds to pass. You can go on vacation for almost two weeks, counting to a million the whole time.

It takes over 31,000 years for a trillion seconds to pass. 


A trillion seconds ago, biologically modern humans were experimenting with molten metals and agriculture.

Jimmy Carter was President a billion seconds ago.


It takes about 31 and a half years for a billion seconds to go by. 

A million seconds

A billion seconds

A trillion seconds

converter courtesy www.unitconversion.org

A quintillion seconds

425.7 quadrillion seconds (very very roughly) have passed since the big bang. 

A quadrillion seconds

It takes more than 31 million years for a quadrillion seconds go by.

A quintillion seconds have not passed since the beginning of space, time and the universe.

The universe in seconds

Numbers with exponents should be entered in the form of 2.7e9   (for  2.7 x 109  )

This converter uses 365 days as its year length.

109

106

1012

1015

1018

easy time converter