The volume of the aquarium is
(10 x 20 x 8) = 1,600 cubic feet = 11,969 gallonsup to the rim. (rounded)
We have no way of knowing how much water may be in it.
According to news reports, the Inner Harbor at Baltimore ranges from approximately 25 feet deep at center to approximately 30 feet deep at the northwest end of the channel.
1 feet
15,500 feet
deep enough for ships to sink and go all the way under
Without knowing the average depth of your pool, it is impossible to know. However, assuming the average depth of your pool is 4 feet, it hold 15360 gallons of water.
The aquarium would have a volume of 2200 cubic inches. One cubic inch is 0.0043290 liquid gallons, so 2200*0.0043290 = 9.52381 gallons.
If the pond is uniformly 6-feet deep it would contain about 1,955,109 gallons of water.
how many gallons of water does a swimming pool 15 feet by 4 feet deep hold
17,953.2 gallons
250 ft3 = 1870.13 US gallons
6,200 gallons.
3,398.4 gallons.
5,974 gallons.
1,770 gallons.
8,258.494 gallons.
24,685.79 gallons
20000