Metric Conversions (approximations)
  Symbol When you know: Multiply by: To find: Symbol
Length mm millimeters 0.04 inches in
cm centimeters 0.4 inches in
m meters 3.3 feet ft
m meters 1.1 yards yd
km kilometers 0.6 miles mi
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Area cm2 square centimeters 0.16 square inches in2
m2 square meters 1.2 square yards yd2
km2 square kilometers 0.4 square miles mi2
ha hectares (10,000m2) 2.5 acres  
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Mass (weight) g grams 0.035 ounces oz
kg kilograms 2.2 pounds lb
t tons (1,000kg) 1.1 short tons  
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Volume mL milliliters 0.03 fluid ounces fl oz
L liters 2.1 pints pt
L liters 1.06 quarts qt
L liters 0.26 gallons gal
m3 cubic meters 35 c ubic feet ft3
m3 cubic meters 1.3 cubic yards yd3
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Temperature
(exact)
ºC Celsius temp. 9/5 (C +32) Fahrenheit temp. F
ºF Fahrenheit temp. 5/9 (F-32) Celsius temp. ºC
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Length in inches 2.5* centimeters cm
ft feet 30 centimeters cm
yd yards 0.9 meters m
mi miles 1.6 kilometers km
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Area in2 square inches 6.5 sq centimeters cm2
ft2 square feet 0.09 square meters m2
yd2 square yards 0.8 square meters m2
mi2 square miles 2.6 sq. kilometers km2
  acres 0.4 hectares ha
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Mass (weight) oz ounces 28 grams g
lb pounds 0.45 kilograms kg
  short tons (2,000 lb) 0.9 tons t
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Volume tsp teaspoons 5 milliliters mL
tbsp tablespoons 15 milliliters mL
fl oz fluid ounces 30 milliliters mL
c cups 0.24 liters L
pt pints 0.47 liters L
qt quarts 0.95 liters L
gal gallons 3.8 liters L
ft3 cubic feet 0.03 cubic meters m3
yd3 cubic yards 0.76 cubic meters m3
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*in = 2.54 cm exactly
Price Conversions
$/Linear Foot = ($/Net Ton÷2,000 lbs.) x Weight per Foot
$/Net Ton = ($/Linear Foot÷Weight per Foot) x 2,000 lbs.
$/Net Ton = ($/Metric Ton÷2,204.62) x 2,000 lbs.
$/Metric Ton = ($/Net Ton÷2,000 lbs.) x 2,204.62
Hardness Equivalants
BHN HV30 BHN HV30 BHN HV30
248 232 293 289 352 352
255 241 302 299 363 362
262 251 311 309 375 374
269 260 386 321 300 388 386
277 270 331 331 401 397
285 280 341 341 415 409