Is a 3-hybrid the same as a 5-wood?

By loft, the published chart pairs the two families like this: 2-hybrid (17°) with a 5-wood, or a 4-wood for some; 3-hybrid (19°) with a strong 5-wood; 4-hybrid (22°) with a 7-wood; 5-hybrid (25–26°) with a 9-wood; 6-hybrid (28–30°) with no common wood. So a 7-wood and a 4-hybrid are loft twins, and a 3-hybrid and a 5-wood nearly are. Iron and wood lofts vary by several degrees between brands and generations, so check the loft stamped on your own clubs rather than the number.

Matching loft does not make them the same club. In the clearest same-loft comparison available, an 18-degree 3-iron, hybrid and 5-wood carried about 205, 227 and 255 yards and landed at 25.2, 28.6 and 33.3 degrees, and the hybrid finished tightest around the target. That test used mid-2010s clubs and one tester on a mat, so trust the ordering rather than the yardages. Owners who carry both a 7-wood and a 4-hybrid describe the same split: the wood higher and softer-landing, the hybrid more piercing and better from wind and rough.

The ordering answers the other versions of the question. Can a 3-hybrid go as far as a 3-wood? Generally not: its loft pairs it with a 5-wood rather than a 3-wood, and even at equal loft the wood carried further. Is a 7-hybrid the same as a 7-iron? The chart stops at the 6-hybrid, which already overlaps a 6-iron to a strong 8-iron, so a 7-hybrid sits around 7-iron loft; the one same-loft comparison found the hybrid launching higher and carrying further than the iron, though it was measured at 18 degrees, not at 7-iron loft.

The practical rule follows: if you already carry the matching wood, the matching hybrid is usually a duplicate. Pick whichever flight that gap needs, not both.