MICROGRAM/CUBIC METER TO GRAIN/GALLON [US] ( TO ) FORMULA 
		
		 To convert between Microgram/cubic Meter and Grain/gallon [US] you have to do the following: 
				
		
	
		First divide  1.0E-9/1 / ((0.45359237/16)*(192/175)/480)/0.0037854118 = 0.00000006 
		Then multiply the amount of Microgram/cubic Meter you want to convert to Grain/gallon [US], use the chart below to guide you.
		
		MICROGRAM/CUBIC METER TO GRAIN/GALLON [US] ( TO ) CHART
		
			- 1 microgram/cubic meter in grain/gallon [US] = 0.00000006 
 - 10 microgram/cubic meter in grain/gallon [US] = 0.00000058 
 - 50 microgram/cubic meter in grain/gallon [US] = 0.00000292 
 - 100 microgram/cubic meter in grain/gallon [US] = 0.00000584 
 - 250 microgram/cubic meter in grain/gallon [US] = 0.0000146 
 - 500 microgram/cubic meter in grain/gallon [US] = 0.00002921 
 - 1,000 microgram/cubic meter in grain/gallon [US] = 0.00005842 
 - 10,000 microgram/cubic meter in grain/gallon [US] = 0.00058418