 Conversion of Time Units - Orchids The International School
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Conversion of Time Units

The simplest units of time are:

• Hour
• Minutes
• Seconds

The relation between the units of time:

• 1 hour = 60 minutes
• 1 minute = 60 seconds

Conversion of Unit of Time

• To convert one unit of time to another we either multiply or divide it by the converting factor.
• The converting factor is the value by which we multiply or divide.
• The converting factor depends upon the relation between the units.
• For example, the relation between hours and minutes is “1 hour = 60 minutes”.
• Therefore, the converting factor for converting the hours to minutes or minutes to an hour is 60.
• To convert a bigger unit to a smaller unit we multiply.
• To convert a smaller unit to a bigger unit we divide.

To convert hours to minutes:

To convert hour to minutes we multiply it by 60.

Example:

Convert 5 hours to minutes.

Solution:

Multiply 5 by 60 to convert 5 hours to corresponding minutes.

(5 × 60) = 300 minutes

Therefore, 5 hours = 300 minutes.

To convert minutes to hours:

To convert minutes to hours we divide it by 60.

Example:

Convert 180 minutes to hours.

Solution:

Divide 180 by 60 to convert 180 minutes into an hour.

(180 `÷` 60) = 3 hours

Therefore, 180 minutes = 3 hours.

To convert minutes to seconds:

To convert minutes to seconds we multiply it by 60.

Example:

Convert 8 minutes to seconds.

Solution:

Multiply 8 by 60 to convert 8 minutes to seconds.

(8 × 60) = 480 seconds

Therefore, 8 minutes = 480 seconds.

To convert seconds to minutes:

To convert seconds to minutes we divide it by 60.

Example:

Convert 120 seconds to minutes.

Solution:

Divide 120 by 60 to convert 120 seconds to minutes.

(120 `÷` 60) = 2 minutes

Therefore, 120 seconds = 2 minutes. Other Units of Time

The simplest unit of time are:

• Day
• Week
• Months
• Year

The relation between the units of time:

• 1 day = 24 hours
• 1 week = 7 days
• 1 month = 30 days
• 12 months = 1 years
• 1 year = 365 days

To convert days to hours:

To convert days to hours we multiply it by 24.

Example:

How many hours are there in 8 days?

Solution:

We know 1 day has 24 hours.

Multiply 8 by 24 to get the equivalent hours in 8 days.

(8 × 24) = 192 hours

Therefore, 8 days = 192 hours.

To convert hours to days:

To convert hours to days we divide it by 24.

Example:

How many days will 72 hours make?

Solution:

We know 1 day has 24 hours.

Divide 72 by 24 to get the equivalent days.

(72 `÷` 24) = 3 days

Therefore, 72 hours will make 3 days.

• In a similar way, one unit of time can be converted to another unit. Did you know?  • -