What makes a nodachi different from a standard katana?
Updated Feb 2026
The defining characteristic of a nodachi is blade length. While a katana typically measures between 60-73 cm along the cutting edge, a nodachi blade generally exceeds 90 cm - and in some historical examples approaches 150 cm. This extended length required entirely different forging techniques, as maintaining even heat distribution and consistent grain structure across such a span demands greater skill and longer kiln time. The curvature (sori) on a nodachi also tends to be more gradual, giving the blade a sweeping, elegant arc rather than the tighter curve of a katana. From a collector's standpoint, this scale translates into a dramatically different display presence - a nodachi commands a room in a way that shorter blades simply cannot. The fittings are scaled accordingly, with longer tsuka, wider tsuba, and proportionally matched saya that reinforce the sense of grandeur.