how big is a twin sheet
As a rule, sheet sizes are (for fitted sheets) as follows: 1  39 inches (99 centimeters) wide by 75 inches (191 centimeters) long for a twin sheet; 2  54 inches (137 centimeters) wide by 75 inches (191 centimeters) long for a double sheet;  59 inches (150 centimeters) by 79 inches (201 centimeters) for queen size beds;