Sep 19, 2022 · First of all, there are two standard garden hose sizes, ⅝ and ¾-inch. Residential hoses are usually ⅝-inch. Both hose sizes usually have ¾-inch GHT connectors, according to Turf Mechanic. These might be designated GHT on their labels, or they might say FHT (female hose thread) or MHT (male hose thread).