The FarmLady Pond Calculator
Work out your pond volume, then how many fish it can hold.
Pond shape
Measure your pond
Straight across the middle, edge to edge.
Measure the full depth of the pond, not the water level.
Your pond volume
- Cubic metres
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- Cubic feet
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- Water at fill point (75%)
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The fill point is the water your fish actually live in. The stocking density calculator applies it for you.
See how it was calculated
- Enter your pond measurements to see the working.
1. Choose your pond shape
2. Measure your pond
Straight across the middle, edge to edge.
Measure the full depth of the pond, not the water level. The calculator applies the fill point (75%) for you.
3. Choose your pond type
4. Enter your harvest weight
Example: 1 kg is the same as 1,000 grams.
Your result
- Pond volume (full)
- –
- Water at fill point
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- Fish the pond can hold
- –
- Number of fish to stock
- –
Includes 20 extra per 1,000 to cover losses–
See how it was calculated
- Enter your pond measurements to see the working.
The rules used
Surface pond: 1 kg of fish for every 10 litres. Earthen pond: 1 kg for every 30 litres.
Ponds are filled to about three-quarters (the fill point), so only 75% of the volume is used.
Always round down. Keep one harvest weight per pond.