Carpet Calculator
Room length
ft
inch
yd
m
Room width
ft
inch
yd
m
Roll width
12 ft — the usual width
13 ft 2 in — metric 4 m roll
15 ft — less common
Pattern and trim waste
%
10% plain, up to 20% for a pattern that has to match across a seam.
Square yards to buy
52.8 sq yd
Show the work
Carpet Calculator
by Rule Calculator