Convert 10 sq ft to inches?

Impossible because 'sq'ft' is a measure of AREA. 'Inches is a measure of 'LENGTH'.

However,

'Sq.Ft'' can be converted to 'sq'ins' . by multiplying by '144'

There are 144 sq. ins = 1 sq.ft.

So 10 sq.ft. = 1440 sq. ins.