What is a hour?

Definition

hr

The hour (hr) equals 60 minutes or 3,600 seconds.

Unit system

Common

Convert hours

Nanoseconds → Hours Microseconds → Hours Milliseconds → Hours Seconds → Hours Minutes → Hours Hours → Nanoseconds Hours → Microseconds Hours → Milliseconds

All time units

Unit	Symbol	System
nanoseconds	ns	Scientific
microseconds	μs	Scientific
milliseconds	ms	Common
seconds	s	Common
minutes	min	Common
hours	hr	Common
days	day	Common
weeks	wk	Common
months	mo	Common
years	yr	Common