Usually 4 that information should be on the bundle
You are going to need 4 bundles. 3 bundles equals a square and a square equals 100 square feet.
3 bundles = 1 square 10 2/3 sq x 3 bundles = 32 bundles
A 30x50 roof has 1,500 square feet which is 15 squares. 3 bundles of shingles equals 1 square so you will need about 45 bundles.
There are 3 bundles of shingles in every square. A square is 100 square feet. In 23 bundles, you would have 766 square feet approximately
No dimensional shingles require 4 bundles per square
3 bundles per square on average. So 3.5 square is 10 bundles.
1 square of roofing shingles is 3 bundles of shingles equaling 63 shingles per square.
If your shingles say they cover 3 bundles to a square ( 10'x10' or 100 sq. ft) then one and a half. Some thicker, heavier shingles are 4 bundles to a square so you'd need 2.
Standard fiberglass shingles come 3 bundles to the square.
3
21
3 bundles to a square and 100 sq. ft. in a square, so 3 times 16 equals 48. Depending on how much roof edge and peak add a couple bundles for starter strip and the cap.