[#BloombergLP-bdlt-TimeUnitRatio-k_NANOSECONDS_PER_SECOND]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/TimeUnitRatio.adoc[TimeUnitRatio]::k_NANOSECONDS_PER_SECOND
:relfileprefix: ../../../
:mrdocs:

Nanoseconds per second. The number of nanoseconds per second.

== Synopsis

Declared in `<bdlt_timeunitratio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64] const k_NANOSECONDS_PER_SECOND = k_NANOSECONDS_PER_MILLISECOND * k_MILLISECONDS_PER_SECOND;
----


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