Conversions & Standards
Voltages
Telephone:
- On Hook: 5 volts
- Talking: 48 volts
- Ringing: 90 volts
Weather
- 1013 millibars = 29.92-29.93 inces of mercury
- C = (5 x (F - 32)) / 9
- F = ((9 x C) / 5) + 32
Liquid/Volume
- 1 fl oz = 29.57 ml
- 1 fl oz = 29.57 cc
- 1 pt = 0.473 ml
- 1 fl qt = 0.9464 L
- 1 gal = 3.785 L
- 1 ml = 0.034 fl oz
- 1 l = 2.11 pt
- 1 l = 1.05 qt
- 1 l = 0.26 gal
- 1 dry qt = 1.101 L
- 1 bushel = 35.24 cubic decimeters
- 1 cubic inch = 16.39 cubic centimeters
- 1cubic foot = 28.32 cubic decimeters
- 1 cubic yard = 0.7646 cubic meter
Weight
- 1 oz APOTHECARY = 31.1035 grams = 480 grains
- 1 oz AVOIR = 28.35 grams = 437.5 grains
- 1 lb AVOIR = 453.59 grams = 7000 grains
- 1 lb AVOIR = 0.45 kg
- 1 cwt (carrot weight) = 50.8 kg
- 1 grain = 64.8 milligrams
- 1 gram = 15.432 grains = 1000 milligrams
- 1 gram = 0.04 oz
- 1 kg = 2.2 lbs
- 1 kg = 0.02 cwt
- 1 Ton Short = 0.907 t (tonne, metric ton)
Distance
- 1 Nautical Mile = 6076 feet = 1.15 Statute Mile
- 1 Statute Mile = 5280 feet = 0.87 Nautical Mile
- 1 in = 2.54 cm
- 1 ft = 0.3048 Meter
- 1 yd = 0.9144 m
- 1 mile = 1.609 km
- 1 mile = 63,630 inches
- 1 mm = 0.04 inch
- 1 cm = 0.39 inch
- 1 m = 3.28 feet
- 1 km = 0.62 mile
Area
- 1 sq inch = 6.452 sq cm
- 1 sq foot = 92.9 sq cm
- 1 sq yard = 0.836 sq m
- 1 sq yard = 9 sq ft
- 1 acre = 43,650 sq ft
- 1 acre = 0.4047 hectare
- 1 sq mile = 2.59 sq km
Energy
- 4.45 Newtons = 1 pound (Newton-Second)
Speed
- Escape Velocity = 24000 mph
- Speed of Light = 186,211 feet/sec.
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