Fish Pond Calculator

Enter pond decimals. For example, 10 decimals need ~650 fingerlings, 10 kg lime and 2.4 kg urea.

You need

650 pcs

Fingerlings (mixed carp)
650 pcs
Lime (prep)
10 kg
Urea (starter)
2.4 kg
TSP (starter)
1.2 kg

Stock about 650 fingerlings in a 10-decimal pond.

General guidance for mixed carp (catla, silver, rui, mrigal). Pangas/tilapia differ — ask the fisheries officer.

How this was calculated
  1. For 10 decimals: 650 fingerlings, 10 kg lime (+ starter fertilizer)

How to use

  1. Enter the pond area in decimals.
  2. See fingerlings, lime and fertilizer.

Pond formulas (per decimal)

Input Dose For 10 decimals
Fingerlings (mixed carp) ~65 pcs ~650 pcs
Lime 1 kg 10 kg
Urea + TSP 240 + 116 g 2.4 + 1.16 kg

Examples

10-decimal pond: ~650 fingerlings, 10 kg lime, 2.4 kg urea.

20-decimal pond: ~1,300 fingerlings, 20 kg lime.

More: pond preparation

Clear weeds and unwanted fish, dry, then lime. Fertilize after 5–7 days, stock 3–5 days later. Test water toxicity before stocking. Regular liming, fertilizer and measured feeding raise output.

Frequently asked questions

How many fingerlings per decimal?

About 65 for mixed carp (catla, silver, rui, mrigal together). Pangas goes up to 200/decimal.

How much lime?

1–1.5 kg/decimal to prepare; 250–300 g/decimal every 1.5–2 months after.

How much starter fertilizer?

5–7 days after liming: 240 g urea and 116 g TSP per decimal, to grow natural food.

How much feed?

Supplementary feed at 2–5% of fish body weight daily, split morning and evening. Half in winter.

Which fish in which layer?

Surface: catla/silver; middle: rui; bottom: mrigal/carpio — roughly 1:1:1.

Also searched as

pond stocking density · fish farming calculator