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HomeAgriculture & FoodFertilizersAnalytical ServicesStandard Fertilizer TestsFertilizer Calculations
SGS has earned a global reputation for the highest levels of integrity, independence and accuracy. Our core capabilities and industry expertise help you to optimize your operational efficiencies, while our global technical leadership helps minimize operational and financial risk. Whether you need exploration, sampling, trade and inspection or laboratory support, our technical experts are here to help you.
Contact SGS for all of your fertilizer testing and analysis needs.
For your reference, we have provided the following industry standard fertilizer conversions and calculations. We hope that you and your staff find them useful:
Nutrients as a % of product:
* Average grade - *** some with S and/or Mg and/or micronutrients
Area of Distance1 hectare (ha) = 2.471 yards1 meter = 1.0936 yards1 acre = 4480 sq. yards1 acre = 0.4047 hectare1 yard = 0.9144 metre
Weight 1 kilogram (kg) = 2.2046 pounds1 kg/ha = 0.9822 lb/acre1 metric tonne = 1.1023 short tons (2000 lb)1 metric tonne = 0.9842 long ton (2240 lb)1 pound (lb) = 0.4536 kilogram1 lb/acre = 1.1208 kg/ha
Fertilizer Phosphorous To change P2O5 (phosphate) to P multiply P2O5 by 0.4364
To change P to P2O5multiply P by 2.2914
PotassiumTo change K2O (potash) to Kmultiply K2O by 0.8302
To change K to K2Omultiply K by 1.2046Source: International Fertilizer Industry Association (IFA).