1-1/4 in shop-vac hose diameter vs 1-7/8 in shop-vac hose diameter: specs compared
Updated 05 September 2026.
48 mm
1-7/8 in shop-vac hose diameter wins on mating diameter
On mating diameter, 1-7/8 in shop-vac hose diameter leads: 48 mm versus 32 mm.
| Spec | 1-1/4 in shop-vac hose diameter | 1-7/8 in shop-vac hose diameter |
|---|---|---|
| Fitting type | female cuff (goes over a port or into a socket) | female cuff (goes over a port or into a socket) |
| Inner diameter / bore (ID) | 1-1/4 in, 32 mm | 1-7/8 in, 48 mm |
| Cuff outer diameter (OD) | approx 1-1/2 cuff in | |
| Nominal size | 1-1/4 in (approx 32 mm) | 1-7/8 in (approx 48 mm) |
| Mating diameter (mm) | 32 | 48 |
Questions and answers
Which has the higher mating diameter, 1-1/4 in shop-vac hose diameter or 1-7/8 in shop-vac hose diameter?
On mating diameter, 1-7/8 in shop-vac hose diameter leads: 48 mm versus 32 mm.
How do 1-1/4 in shop-vac hose diameter and 1-7/8 in shop-vac hose diameter compare?
On mating diameter, 1-7/8 in shop-vac hose diameter leads: 48 mm versus 32 mm.