That cant be worked out without knowing the depth. However here is a link (below) to work this out.
A pond this size holds up to about 1,955,108 gallons of water.
There are 7.48 gallons of water in cubic foot.
7.48052 Gallons of water in a cubic foot
One cubic foot of water is 7.4805 gallons.
half a pint
1 cubic foot of water is 7.48052 US gallons.
15228.5 US gallons 12680.4 Imperial gallons when it is filled to 4 and a half feet.
One acre-foot is about 325,851 US gallons.
One acre-foot is 325,851.4 US gallons of water.
7.48 gallons of water per cubic foot
One cubic foot of water is about 7.48 (7.48052) US gallons.
There are 7.481 gallons in one cubic foot.
My guess would be 7.48 gallons since that is how many gallons of water is in a cubic foot
One cubic foot of water equates to 7.48052 US gallons.
One cubic foot of sea water contains about 7.5 gallons.
13,594 US gallons of water.
About 14,351 US gallons of water.
Approximately 1,616 US gallons.
About 2,550 gallons.
1 cubic foot = 7.48051945 US gallons
1 acre-foot equates to 325,851.429 US gallons.