1,000 kilograms of fish is a substantial amount that weighs 1.1 US tons (1 tonnes). You can picture this as a loose pile about the size of a pickup truck bed, heaped.

Volume
1.45 cubic yards
1.45 yd³ (1.11 m³)
about the size of a pickup truck bed, heaped
Density estimated by AI from typical values. Fish typically ranges 0.8–1 g/mL depending on how it's packed. A firmly packed scoop weighs more.