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Set each row's own input unit next to its value. Results are in lbs/tonne.
Conversions assume a metric tonne (1,000 kg = 2,204.62 lb), so 1% = 22.05 lbs/tonne and 1% = 10,000 ppm. ppm is the same as mg/kg and µg/g. Values convert as you type — nothing is saved.