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Fertilizer Calculators

Fertilizer Cost Calculator

Add up the cost of urea, DAP, MOP and other fertilizers for your field, and see the cost per acre.

Enter your details

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Total ₹ for anything else – zinc, sulphur, cartage.

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Optional – to show cost per acre.

Enter how many kilograms of each fertilizer you need and the price you pay per bag. The calculator totals it up and shows your fertilizer cost per acre – handy for planning a season or comparing a DAP-based plan with an SSP-based one.

About the Fertilizer Cost Calculator

Fertilizer is one of the largest cash costs in growing a crop, and prices are not the same for every product. Urea is heavily subsidised and cheap per bag; DAP and MOP cost several times more. When you are comparing fertilizer plans – DAP versus SSP, or a complex versus straight fertilizers – the cheapest plan per kilogram of nutrient is not always obvious.

This calculator keeps it simple: enter the quantity you need of each fertilizer in kilograms (you can get these from the NPK Calculator), the price you pay per bag, and the bag weight. It works out the cost of each product, adds any other costs you enter, and divides by your area to give a cost per acre.

The prices filled in when the page opens are only an example. Prices change and differ between dealers and states, so replace them with the maximum retail price (MRP) printed on the bag or the price on your bill.

How to use the Fertilizer Cost Calculator

  1. 1 Enter the kilograms of urea, DAP and MOP you plan to buy. Leave any line at 0 if you don't use that fertilizer.
  2. 2 Enter the price per bag from your bill or the MRP printed on the bag, and check the bag weight.
  3. 3 Add any other fertilizer or transport cost as a lump sum.
  4. 4 Enter your field area if you want the cost per acre, then press Calculate cost.

The formula we use

Cost of each fertilizer = Quantity (kg) ÷ Bag weight (kg) × Price per bag
Total cost = Sum of all fertilizers + Other costs
Cost per acre = Total cost ÷ Area in acres

The calculation uses the exact quantity you need, not whole bags. If you have to buy whole bags, round the quantity up to the next full bag before entering it.

Worked example

For a 2-acre field you plan to buy 175 kg urea, 110 kg DAP and 40 kg MOP. Say your bill shows ₹270 per 45 kg bag of urea, ₹1,350 per 50 kg bag of DAP and ₹1,700 per 50 kg bag of MOP (illustrative prices – use your own).

  1. Urea: 175 ÷ 45 × ₹270 = ₹1,050
  2. DAP: 110 ÷ 50 × ₹1,350 = ₹2,970
  3. MOP: 40 ÷ 50 × ₹1,700 = ₹1,360
  4. Total = ₹5,380, or ₹2,690 per acre.

Notice that DAP is more than half the bill even though it's a smaller quantity than urea – worth knowing when you decide how much phosphorus to apply.

Things to keep in mind

  • Buy against a soil test. The biggest savings come from not applying nutrients your soil already has.
  • Count application cost too. Labour and machinery for spreading add to the real cost, especially for bulky products like SSP.
  • Keep your bills. Fertilizer sales in India are recorded through point-of-sale machines linked to your Aadhaar; your bill is also useful for any claim or scheme.

Frequently asked questions

What is the fertilizer cost per acre for wheat or paddy?

It varies with the dose, the fertilizers you choose and local prices. Calculate your quantities with the NPK Calculator, then enter them here with your actual prices for an accurate figure.

Why don't you show current fertilizer prices?

Prices change with subsidy policy and differ between products, brands and dealers. Using the MRP on your bag or the price on your bill keeps the answer accurate.

Is it cheaper to use DAP or SSP?

Compare the cost per kilogram of P2O5: divide the bag price by the kilograms of P2O5 in the bag (23 kg for DAP, 8 kg for SSP). Remember that SSP also supplies sulphur, which has its own value.

Can I add more fertilizers?

Put the combined cost of any other products in the "Other fertilizers or transport" box.

Guides that use this calculator

Last updated . Spotted a mistake or need a unit we don't support? Tell us.