Multiply average length (feet) x average width (feet) x average water depth (feet) x 7.48 gallons per cubic foot. Round (Gallons): Assume the diameter is 10 feet and the average depth is 4 feet. Divide the diameter (in feet) by 2 to get the radius.

**How to Measure Your Pond**

- Square/ Rectangular (Gallons): Multiply length x width x average water depth (feet) x 7.5. Example: 8′ x 4′ x 2′ x 7.5′ = 480 gallons.
- Square/Rectangular (Acres): Multiply length x width, then divide by 43,560 (square feet per acre)
- Round (Gallons): Multiply diameter x itself x average water depth (feet) x 5.9.

Subsequently, question is, how big is a 1000 gallon pond? Possible **Pond Sizes** 8′ 2″ x 8′ 2″ x 24″ Deep. 11′ x 6′ 1″ x 24″ Deep. 9′ x 5′ 11″ x 30″ Deep. 8′ x 5′ 7″ x 36″ Deep.

Furthermore, how many gallons is a 1/4 acre pond?

Example: I have a 1.25 acre pond with a 6′ average depth. 1.25 x 6′ = 7.5 acre/feet. If you are trying to figure out GALLONS, multiply acre-feet by **325,829** (gallons in 1 acre-foot) = Gallons.

Can you over filter a pond?

As far as the health of your fish are concerned, **over**–**filtering** is not really an issue. While they **do** not naturally live in water that is completely devoid of suspended particles and without the merest hint of algae or weeds, they **will** quite happily exist in such an environment as long as it is kept healthy and stable.

### How do you calculate gallons in a pond?

Multiply the length by the width by the depth to get the volume in cubic feet. For example, if your pond is 16 feet long, 8 feet wide and 4 feet deep, multiply 16 by 8 by 4 to get 512 cubic feet. Convert cubic feet to gallons by multiplying the cubic feet by 7.48.

### How big is a 1 acre pond?

1 surface acre consists of 43,560 square feet. To find out how our 20,000 square foot pond measures up to 1 acre we can simply divide 20,000 by 43,560. You should end up with .

### How many fish can I have in my pond?

Some pond experts even go so far as to recommend only ½ inch of fish per 10 gallons of water as a maximum stocking density. If you’re a fish fanatic, you may find yourself with a pond containing 2 or even 3 inches of fish per 10 gallons of water and the fish seem to be fine.

### How many fish can I have in my pond calculator?

We recommend no more than 1 inch of fish for every square foot of surface area, so if your pond is 250 square feet, that’s a maximum of 250 inches of adult, fully grown fish. If you need help with the math, use our online calculator. You’ll just need to know your pond’s length, width and average depth.

### How big of a pump do I need for my pond?

A good rule of thumb is that pumps should be able to pump out about half the pond volume every hour. So a pump that moves 500 gallons per hour would be appropriate for a 1,000 gallon pond. To determine the size pump you’ll need, make a few measurements and calculations. Light flow = 50 gph x waterfall width (in.)

### How big should my pond be?

The largest pond we recommend building is 15,000 gallons, which would be approximately 17 feet wide by 21 feet long and 6 feet deep. If you build a pond much larger than that you run into several problems. In a very large pond it can become almost impossible to catch the fish if you need to.

### How many koi can I have in my pond?

Let’s do the math using our conservative rule of thumb suggesting one Koi for every 250 gallons of well filtered & maintained pond water. A 2500-gallon pond translates to 10 full-grown Koi and you have 30! Obvious Solution – Get rid of 20 koi or build a bigger pond.

### How many acres is 200 feet by 200 feet?

.918 acres

### How much does it cost to build a 1/4 acre pond?

The average price to install a pond ranges from $1,248 and $5,049, with most homeowners paying around $3,043. The expense is usually $2.50 to $7.15 per square foot. For a larger-scale project, expect to pay $3,000 to $8,200 per acre, or more. Ponds can be surprisingly inexpensive to install.

### How deep should a 1 acre pond be?

However, the average pond we dig is 12′ deep throughout and depending on the size at least one area 15′ deep. If the pond is large enough, say 1 acre we can dig a couple holes in the pond 15″ to 20′ deep and maybe 25′ round.

### How big is a 5000 gallon pond?

A 5000 gallon pond would be 668.4 cubic feet. If you make it an average (and typical) depth of two feet, The pond would have a surface area of 334.2 square feet. It could be a square pond 18.28 feet on all sides, or a long rectangle 33.42 feet long and 10 feet wide.

### How do you calculate an acre?

To calculate acreage, start by determining the width and length of the area in yards using a surveyor’s wheel. Then, multiply the width by the length to get the area in square yards. Next, divide that number by 4,840 to get the total area in acres.

### How do you measure an acre in feet?

The most standard shape for an acre is one furlong by one chain, or 660 feet by 66 feet. To find the linear measurements of other rectangular acres, just divide 43,560 by the number of feet you want on one side. A square-shaped acre would then be about 208.7 by 208.7 feet (because 208.7 x 208.7 = ~43,560).

### How do I calculate gallons?

Multiply this number by the height to determine the cubic volume in inches. For example, if you have a tank that is 12 inches in diameter and 20 inches high, the calculation looks like this: Divide the cubic volume in inches by 231 in order to find the number of gallons.