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Printable version of http://www.potashcorp.com/investor_relations/industry_overview/2007/conversion_calc/
Conversion Calculator
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Conversion

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Tons, long pounds 2240.0
Tons, long metric tonnes 1.0161
Tons, long short tons 1.2000
Tonnes, metric pounds 2204.6
Tonnes, metric long tons 0.9842
Tonnes, metric short tons 1.1023
Tons, short pounds 2000.0
Tons, short long tons 0.8929
Tons, short metric tonnes 0.9072
K K2O 1.2046
K2O K 0.8302
KCl Product K2O 0.6100
K2O KCl Product 1.6393
P P2O5 2.2915
P2O5 P 0.4364
BPL P2O5 0.4577
P2O5 BPL 2.1852
N NH3 1.2159
NH3 N 0.8225



Nitrogen Production Factors

To produce 1 short ton of: Requires:
Ammonia 32.5 MMBtu natural gas
Urea 23.0 MMBtu natural gas
Urea Solution 0.58 tons ammonia
0.78 tons CO2
Urea Prills (46% N) 1.01 tons urea solution
Nitric Acid (22% N) 0.29 tons ammonia
Ammonium Nitrate Solution 0.80 tons nitric acid
0.22 tons ammonia
Ammonium Nitrate Prills 1.01 tons ammonium nitrate solution
UAN solution (32% N) 0.45 tons ammonium nitrate solution
0.35 tons urea solution


Phosphate Production Factors

To produce 1 short ton of: Requires:
Sulfuric Acid
(100% H2SO4)
0.33 tons sulfur
Phosphoric Acid
(100% P2O5)
2.8 tons sulfuric acid
3.5-4.0 tons phosphate rock
Diammonium Phosphate
(46% P2O5)
1.175 tons of wet phosphoric acid (40% P2O5)

or

0.47 tons P2O5
0.23 tons ammonia

or in raw material form:

1.65-1.90 tons phosphate rock
0.44 tons sulfur
0.23 tons ammonia
Triple Super Phosphate 0.4 tons 70 BPL rock
0.85 tons 40% P2O5 phosphoric acid