### 1. How many Seconds in Hour

Every Hour has 60 minutes and every minute has 60 seconds.

Seconds in one Hour= Minutes in one hour x Seconds in one minute

= 60 X 60

= 3600 sec

### 2. How many seconds in a day

Every minutes has 60 seconds, there are 60 minutes in 1 hour and 24 hours in a day.

- seconds in 1 minute [ 1 min = 60 sec ]
- minutes in 1 hour [ 1 hour = 60 min ]
- hours in 1 day [ 1 day = 24 hour ]

Seconds in one day= Seconds in one minute x Minutes in one hour x Hours in one day

= 60 X 60 X 24

= 86400 seconds

### 3. How many seconds in a year

Every minutes has 60 seconds, there are 60 minutes in 1 hour and 24 hours in a day.

- Seconds in 1 minute [ 1 min = 60 sec ]
- Minutes in 1 hour [ 1 hour = 60 min ]
- Hours in 1 day [ 1 day = 24 hour ]
- Day in 1 non leap year [ 1 year = 365 days ]
- Day in 1 leap year [ 1 year = 365 days ]

Seconds in one non leap year= Seconds in one minute x Minutes in one hour x Hours in one day X Day in one non leap year

= 60 X 60 X 24 X 365

= 31536000 sec

Seconds in one leap year= Seconds in one minute x Minutes in one hour x Hours in one day X Day in one leap year

= 60 X 60 X 24 X 366

= 31622400 sec

### See also other

How many days in a year / Hours in a Week / Hours in a year

How many Weeks in a Month / Weeks in a Year / Months in the Year