Mass-referenced Grade

Metric Imperial Metric → Imperial Imperial → Metric

1 gram per tonne (g/t)
= 1 g per (gramsPerKg * kgPerTonne) g
= 1 g per 1,000,000 g
= 1 part per million (ppm)
= 100 / 1,000,000 percent (%)
= 0.0001%
= 1 / gramsPerCarat ct/t
= 5 ct/t
= 1 / kgPerTonne g/kg
= 0.001 g/kg
= 1 / gramsPerKg kg/t
= 0.001 kg/t

 

1 carat/tonne (ct/t)
= gramsPerCarat g per (gramsPerKg * kgPerTonne) g
= 0.2 g per 1,000,000 g
= 0.2 ppm
= 20 / 1,000,000 %
= 0.00002%
= gramsPerCarat g/t
= 0.2 g/t

 

1 kg/t
= gramsPerKg g per (gramsPerKg * kgPerTonne) g
= 1,000 g per 1,000,000 g
= 1,000 ppm
= 100,000 / 1,000,000 %
= 0.1%
= gramsPerKg / gramsPerCarat ct/t
= 5,000 ct/t
= gramsPerKg g/t
= 1,000 g/t
= gramsPerKg / kgPerTonne g/kg
= 1 g/kg

 

1 part per million (ppm)
= 1 g per 1,000,000 / ( gramsPerKg * kgPerTonne ) t
= 1 g/t
= 1 ct per ( 1,000,000 * gramsPerCarat ) / ( gramsPerKg * kgPerTonne ) t
= 5 ct/t
= 1 kg per 1,000,000 / kgPerTonne t
= 0.001 kg/t
= 100 / 1,000,000 %
= 0.0001%

 

1 percent (%)
= 1 part per hundred
= 1 g per 100 / ( gramsPerKg * kgPerTonne ) t
= 10,000 g/t
= ( 100 * gramsPerCarat ) / ( gramsPerKg * kgPerTonne ) ct/t
= 50,000 ct/t
= 1 kg per 100 / kgPerTonne t
= 10 kg/t
= 1,000,000 / 100 ppm
= 10,000 ppm

1 pennyweight per short ton (dwt/sh tn)
= 1 dwt per ( poundsPerShortTon * ouncesPerPound * dwtPerOunce ) dwt
= 12 / 7 ppm
= 6 / 35,000 %
= 1 / dwtPerOunce oz/sh tn
= 48 / 875 oz/sh tn
= 1 / ( dwtPerOunce * ouncesPerPound ) lb/sh tn
= 3 / 875 lb/sh tn

 

1 ounce per short ton (oz/sh tn)
= 1 oz per poundsPerShortTon * ouncesPerPound oz
= 31.25 ppm
= 0.003125%
= dwtPerOunce dwt/sh tn
= 875 / 48 dwt/sh tn
= 1 / ouncesPerPound lb/sh tn
= 0.0625 lb/sh tn

 

1 pound per short ton (lb/sh tn)
= 1 lb per poundsPerShortTon lb
= 500 ppm
= 0.05%
= ouncesPerPound * dwtPerOunce dwt/sh tn
= 875 / 3 dwt/sh tn
= ouncesPerPound oz/sh tn
= 16 oz/sh tn

 

1 part per million (ppm)
= 1 dwt per 1,000,000 / ( poundsPerShortTon * ouncesPerPound * dwtPerOunce ) sh tn
= 7 / 12 dwt/sh tn
= 1 oz per 1,000,000 / ( poundsPerShortTon * ouncesPerPound ) sh tn
= 1 / 31.25 oz/sh tn
= 1 lb per 1,000,000 / poundsPerShortTon sh tn
= 0.002 lb/sh tn
= 100 / 1,000,000 %
= 0.0001%

 

1 percent (%)
= 1 dwt per ( 100 * dwtPerOunce ) / ( poundsPerShortTon * ouncesPerPound ) dwt/sh tn
= dwt/sh tn
= 1 oz per 100 / ( poundsPerShortTon * ouncesPerPound ) oz/sh tn
= 10,000 / 31.25 oz/sh tn
= 1 lb per 100 / poundsPerShortTon sh tn
= 20 lb/sh tn

1 g/t
= 1 g per (gramsPerKg * kgPerTonne) g
= 1 ppm
= 100 / 1,000,000 %
= 0.0001%
= 1 dwt per 1,000,000 / ( dwtPerOunce * ouncesPerPound * poundsPerShortTon ) sh tn
= 7 / 12 dwt/sh tn
= 1 oz per 1,000,000 / ( poundsPerShortTon * ouncesPerPound ) sh tn
= 1 / 31.25 oz/sh tn
= 1 lb per 1,000,000 / poundsPerShortTon sh tn
= 0.002 lb/sh tn

 

1 ct/t
= gramsPerCarat g per (gramsPerKg * kgPerTonne) g
= 0.2 g per 1,000,000 g
= 0.2 ppm
= 20 / 1,000,000 %
= 0.00002%
= gramsPerCarat dwt per 1,000,000 / ( dwtPerOunce * ouncesPerPound * poundsPerShortTon ) sh tn
= 1.4 / 12 dwt/sh tn
= 0.2 oz per 1,000,000 / ( poundsPerShortTon * ouncesPerPound ) sh tn
= 1 / 156.25 oz/sh tn
= 0.2 lb per 1,000,000 / poundsPerShortTon sh tn
= 0.0004 lb/sh tn

 

1 kg/t
= gramsPerKg g per (gramsPerKg * kgPerTonne) g
= 1,000 g per 1,000,000 g
= 1,000 ppm
= 100,000 / 1,000,000 %
= 0.1%
= 1,000 dwt per 1,000,000 / ( poundsPerShortTon * ouncesPerPound * dwtPerOunce ) sh tn
= 1,750 / 3 dwt/sh tn
= 1,000 oz per 1,000,000 / ( poundsPerShortTon * ouncesPerPound ) sh tn
= 1,000 / 31.25 oz/sh tn
= 1,000 lb per 1,000,000 / poundsPerShortTon sh tn
= 2 lb/sh tn

1 dwt/sh tn
= 1 dwt per ( poundsPerShortTon * ouncesPerPound * dwtPerOunce ) dwt
= 12 / 7 ppm
= 6 / 35,000 %
= g/t
= g/t
= ct/t
= ct/t
= kg/t
= kg/t

 

1 oz/sh tn
= 1 oz per poundsPerShortTon * ouncesPerPound oz
= 31.25 ppm
= 0.003125%
= 31.25 g/t
= 31.25 / gramsPerCarat ct/t
= 156.25 ct/t
= 31.25 / gramsPerKg kg/t
= 0.03125 kg/t

 

1 lb/sh tn
= 1 lb per poundsPerShortTon lb
= 500 ppm
= 0.05%
= 500 g/t
= 500 / gramsPerCarat ct/t
= 2,500 ct/t
= 500 / gramsPerKg kg/t
= 0.5 kg/t

 

The following units, which are expressed in terms of an Imperial mass per a metric mass, are included because they are offered as options for grade units in Micromine.

 

1 pennyweight per tonne (dwt/t)
= gramsPerDwt g/t
= 1.55517384 g/t
= ( gramsPerDwt / gramsPerCarat ) ct/t
= 7.7758692 ct/t
= ( gramsPerDwt / gramsPerKg ) kg/t
= 0.00155517384 kg/t
= 1.55517384 ppm
= 0.000155517384%

 

1 ounce per tonne (oz/t)
= ( kgPerPound * gramsPerKg ) / ouncesPerPound g/t
= 453.59237 / 16 g/t
= ( kgPerPound * gramsPerKg ) / ( ouncesPerPound * gramsPerCarat ) ct/t
= 2,267.96185 / 16 ct/t
= kgPerPound / ouncesPerPound kg/t
= 0.45359237 / 16 kg/t
= 453.59237 / 16 ppm
= 0.045359237 / 16 %

 

1 pound per tonne (lb/t)
= kgPerPound * gramsPerKg g/t
= 453.59237 g/t
= ( kgPerPound * gramsPerKg ) / gramsPerCarat ct/t
= 2,267.96185 ct/t
= kgPerPound kg/t
= 0.45359237 kg/t
= 453.59237 ppm
= 0.045359237%

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