sqft
Typically the abbreviation is sq. ft. Another way would be ft2.
The abbreviation for square foot/feet is sq. ft. It is sometimes also written as ft2.
No, it doesn't require a period.
It is 'square feet' that sounds more appropriate than 'ft squared'
sqft
The abbreviation is (sq. ft.) I do believe.
ft2
Typically the abbreviation is sq. ft. Another way would be ft2.
500 sq ft.
That is not a proper conversion. Cubic feet is a measure of volume and square feet is a measure of area.
The abbreviation for square foot/feet is sq. ft. It is sometimes also written as ft2.
No, it doesn't require a period.
The proper abbreviation for kilohertz is kHz.
The proper abbreviation for Sunday is Sun.
The proper abbreviation for extension is "ext."
The proper abbreviation for Registered Chemist is RCh.