Hour
Contents
Key Stage 2
Key Stage 3
Key Stage 4
Meaning
Hours are a unit of time that are 3600 times larger than the SI Unit of time; the second.
About Hours
- Hours may be shortened to h or hr with a lower case h and a lower case r.
- Scientists don't generally use hours. However they are used by the general public when thinking about journey times between cities.
- Hours are used when calculating speed in miles per hour.
- There are 24 hours in the day and 168 hours in a week.
- There are 60 minutes in an hour and 3600 seconds in an hour.