As quoted from:
Shulchan HaMelech, a Kitzur Shulchan Aruch in 3 volumes as compiled by Maharan HaRav Shmuel Laniado z'al, 1923 with the supplement "Al HaShulchan" containing various opinions compiled by Ezra Basri, Chief Justice of the District Court, Jerusalem in 1992.
We would also like to dedicate this learning for the speedy and complete recovery of our friends' 5-year-old son, Joseph Benjamin, son of Ireneusz Khrystof, diagnosed in April with ALL leukemia. Please have him in mind when studying.
p. 28 Chapter Nine
7. The size of a tallit is the amount which can cover the head and body of a man down to his chest, both at the front and the back. (K. Sh. G. 2) Al Hashulchan: 24 thumb-breadths (godalim) wide by 36 thumb-breadths long 48 cm. by 72 cm.) (18.90 inches by 28.35 inches) (Ben Ish Chai Lech Lecha 12) which is the equivalent of a cubit (ama) wide by three quarters of a cubit long (on each side. tr.) (Bet Simcha P. 79)
Note from us: Please consult your own rabbi to find out what to do - these are for learning purposes only.