Table 49. Helpful Units of Measurement and Conversion Factors.

mile	x	1.609	=	kilometer(km)	x	0.621	=	mile
feet	x	0.304	=	metersm(m)	x	3.82	=	feet
acre	x	0.405	=	hectare(ha)	x	2.47	=	acre
sq ft	x	9.29x10-2	=	sq meter	x	10.76	=	sq ft
bushel	x	35.24	=	liter(l)	x	2.84x10-2	=	liter
quart	x	0.946	=	liter	x	1.057	=	quart
gallon	x	3.78	=	liter	x	0.265	=	gallon
ounce	x	2.96x10-2	=	liter	x	33.78	=	ounce
pint	x	0.473	=	liter	x	2.11	=	pint
pound	x	454	=	gram	x	2.20x10-3	=	pound
ounce	x	28.4	=	gram	x	3.52x10-2	=	ounce
pound	x	0.454	=	kilogram	x	2.205	=	pound
ton	x	0.907	=	megagram	x	1.102	=	ton
pounds/A	x	1.12	=	kilogram/ha	x	0.893	=	pounds/A
bu/A(60lb)	x	67.19	=	kg/ha	x	1.49x10-2	=	bu/A
bu/A(56lb)	x	62.71	=	kg/ha	x	1.59x10-2	=	bu/A
bu/A(48lb)	x	53.75	=	kg/ha	x	1.86x10-2	=	bu/A
millimho/cm	x	0.1	=	siemen/m	x	10	=	millimho/m
acre-in water	x	102.8	=	cubic meter	x	9.73x10-3	=	acre-in water
acre-ft water	x	0.123	=	hectare-m	x	8.11	=	acre-ft water
acre-ft water	x	12.33	=	ha-centimeters	x	8.1x10-2	=	acre-ft water
percent (5)	x	10	=	gram/kilogram	x	0.1	=	percent (%)
ppm	x	1	=	mg/kilogram	x	1	=	ppm

1 ppm N = 0.23 lbs N x no inches water applied gives lbs/A

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