What size bed to 2 twins make?

Two twin beds pushed together create the size of a king bed. A standard twin bed measures 38 inches wide by 75 inches long, so when combined, the total width becomes 76 inches, which matches the width of a king bed. However, the length remains the same at 75 inches, which is shorter than a standard king bed that is 80 inches long. Therefore, while the width is equivalent, the overall dimensions differ slightly.