---
name: "tvtohz"
section: "9freebsd"
platform: "linux"
package: "freebsd-manpages"
version: "12.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/tvtohz/9freebsd"
---

# tvtohz(9freebsd)

convert time interval to tick count

## NAME

**tvtohz** – convert time interval to tick count

## SYNOPSIS

**#include \<sys/time.h\>**

*int*\

**tvtohz**(*struct timeval \*tv*);

## DESCRIPTION

The **tvtohz**() function accepts a single argument *tv* which specifies the time interval over which to calculate the number of system ticks that would elapse.

## RETURN VALUES

Returns the integral number of system ticks expected to elapse in the given interval, including the current tick.

## SEE ALSO

[microtime(9)](/microtime/9.md), [microuptime(9)](/microuptime/9.md), [timeout(9)](/timeout/9.md)

## HISTORY

The **tvtohz** function first appeared in FreeBSD 3.0

## AUTHORS

This manual page was written by Kelly Yancey ⟨*kbyanc@posi.net*⟩.