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Conversion factors
 

 Culinary Measurements
1 pinch   less than 1/8 tsp (dry)
1 dash   3 drops to 1/4 tsp (liquid)
3 tsp   1 tbsp = 1/2 ounce (liquid and dry)
2 tbsp   1 ounce (liquid and dry)
1 cup   8 ounces (liquid) = 1/2 pint
1 quart   2 pints (dry) = about 1 liter
1 peck   8 quarts
1 bushel   4 pecks
 Conversion Factors
Ounces to grams:   multiply ounces by 28.3
Grams to ounces:   multiply grams by .0353
Pounds to grams   multiply pounds by 453.59
Pounds to kilograms:   multiply pounds by 0.45
Ounces to milliliters:   multiply ounces by 30
Cups to liters:   multiply cups by 0.24
Fahrenheit to Celsius:   subtract 32 from F, multiply by 5, then divide by 9
Celsius to Fahrenheit:   multiply C by 9, divide by 5, then add 32
Inches to centimeters:   multiply inches by 2.54
Centimeters to inches:   multiply centimeters by .39
 Mass
metric -> imperial
1 milligram [mg] = 0.0154 grain
1 gram [g] = 1,000 mg =0.0353 oz
1 kilogram [kg] = 1,000 g = 2.2046 lb
1 tonne [t] = 1,000 kg = 0.9842 ton
imperial -> metric
1 ounce [oz] = 437.5 grain = 28.35 g
1 pound [lb] = 16 oz = 0.4536 kg
1 stone 14 lb = 6.3503 kg
1 hundredweight [cwt] = 112 lb = 50.802 kg
1 tonne = 20 cwt = 1.016 t
 Temperature
0 Fahrenheit (F) to 0 Celsius (C)
--10F   --23.3C (freezer storage)
0F   17.7C
32F   0C (water freezes)
50F   10C
68F   20C (room temperature)
100F   37.7C
150F   65.5C
205F   96.1C
212F   100C (water boils at sea level)
300F   148.8C
325F   162.8C
350F   177C
375F   190.5C
400F   204.4C
425F   218.3C
450F   232C
475F   246.1C
500F   260C
 Length
metric -> imperial
1 millimeter [mm] = 0.0394 in
1 centimeter [cm] = 10 mm = 0.3937 in
1 meter [m]= l00 cm = l.0936 yd
1 kilometer [km] = 1000 m = 0.6214 mile
imperial -> metric
1 inch [in] = 2.54 cm -1 foot [ft] = 12 in = 0.3048 m
1 yard [yd]=3 ft = 0.9144m
1 mile =1760 yd = 1.6093 km
lint nautical mile = 2025.4 yd = 1.853 km
 Area
metric -> imperial
1 sq cm [cm2] = 100 mm2 = 0.1550 sq. in
1 sq m [m2] = 10,000 cm2 = 1.1960 sq yd.
1 hectare [ha] = 10,000 m2 = 2.4711 acres
1 sq km [km2] = 100 ha = 0.3861 sq mi.
imperial -> metric
1 sq inch [in2] = 6.4516 cm2
1 sq foot [ft2] = 144 in2 = 0.0929 m2
1 sqyd[y(12]=9ft2 = 0.8361 m2
1 acre = 4840 yd2 = 4046.9 m2
1 sq mile [mile2] = 640 acres = 2.59 km2
 Volume
metric -> imperial
1 cu cm [cm3] = 0.0610 in3
1 cu decimetre [dm3] = 1,000 cm3 = 0.0353 ft3
1 cu metre [m3] = 1,000 dm3 = 1.3080 yd3
1 litre [l] = 1 dm3 = 1.76 pt
1 hectolitre [hl] = 100 1 = 21.997 gal
imperial -> metric
1 cu inch [in3] = 16.387 cm3
1 cu foot [ft3] = 1,728 in3 = 0.0283 m3
1 fluid ounce [fl oz] = 28.413 ml
1 pint [pt] = 20 fl oz = 0.5683 l
1 gallon [gal] = 8 pt = 4.5461 l
USA measure -> metric
1 fluid ounce = 1.0408 UK fl oz = 29.574 ml
1 pint (16 fl oz) = 0.8327 UK pt= 0.4731 l
1 gallon = 0.8327 UK gal = 3.7854 l
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