صهيب
عدد المساهمات : 50
تاريخ التسجيل : 16/11/2010
 | موضوع: التحويل بين الوحدات  الجمعة نوفمبر 19, 2010 4:01 pm | |
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الأطوال Length | 10 سنتميتر ( سم ) = 1 ديسمتر( دسم )
| 10 centimeters = 1 decimeter (dm) | | 10 مليمتر (ملم) = 1 سنيمتر ( سم ) |
10 millimeters (mm) = 1 centimeters (cm) | | 1000 متر = 1 كيلومتر ( كم ) | 1000 meters = 1 kilometer (km) | | 10 ديسيميتر = 1 ميتر ( م) |
10 decimeters = 1 meter (m) | | 1 ماكروميتر = 10 10-6 متر | 1 µm = 10-6 m | | 1 ملمتر (ملم ) = 10 ^-3 متر | 1 mm = 10-3 m | | 1 انجستروم = 10 ^ -10 متر | 1 Angstrom = 10-10 m | | ا كم = 0.6214 ميل | 1 km = .6214 miles | | 1 ميل = 1.609 كم |
1 mile = 1.609 km | | ا متر = 39.37 انش | 1 meter = 39.37 in | | 1 انش = 0.0254 متر | in = .0254 meter | | ا ملم = 0.03937 انش | mm =0.03937 in | | 1 انش = 25.4 ملم | in = 25.4 mm | | 12 انش = 1 قدم |
12 inches = 1 foot | | 26 انش = يارده |
36 in = 1 yard (yd) | | 5280 قدم = 1 ميل | 5280 ft = 1 mile | | 1 سم = 0.3937 انش = 0.0328 قدم | 1 cm = .3937 in = .0328 ft | | 1 سنة ضوئية = 9.46× 10 ^ 15 متر | 1 light year = 9.461× 1015meters |
المساحة Area | | ا سم 2 = 100 ملم2 | 1 cm2 = 100 mm2 | | | 1 m2 = 1,000,000 mm2 | | | 1 m2 = 10,000 cm2 | | | 1 km2 = 1,000,000 m2 |
| 144 square inches (in2) = 1 square foot | | | 43,560 ft2 = 1 arce | | | 144 square inches (in2) = 1 square foot | | | 640 arces = 1 square mile | | | 1 m2 = 10.76 ft2 | | | 1 cm2 = 0.155 in2 | | | 1 mile2 = 640 acres = 2.590 km2 |
الزوايا Angles | | | quadrant = 1.571 radiansunit | | | 1 degree = 60 minutes | | | 100 quadrants = 90 degrees | | | 1 radian = .637 quadrants |
الحجم Volume | | |
1 cm3 = milliliter(ml) = 1000 mm3 | | | 1 liter (l) = 10 cm x 10 cm x 10 cm = 1000 cm3 | | | 1 hectoliter (hl) = 100 liters | | | 1 cubic meter = 1000 liters | | | 1 gallon (gal) = .13368 ft3 = 3.785 liters | | | barrel (oil) = 42 gallons (oil) | | | 1 U.S. gallon = .8327 Imperial gallon | | | 1 meter3 = 61023 inch3 | | | 1 meter3 = 264.2 gallons | | | 1 meter3 = 35.315 feet3 | | | 1 meter3 = 1.308 yard3 | | | 1 liter = .2642 U.S. gallon | | | 1 liter = .0353 feet3 | | | 1 cm3 = .0610 inch3 | | | 1 liter = 61.022 inch3 | | | 1 gal = 4 quarts = 8 pints = 128 fl. oz = 231 in3 |
الزمن Time | | | 1 hour = 60 minutes = 3600 seconds | | | 1 ms = 10-3 s | | | µs = 10-6 s | | | 1 ns = 10-9 s | | | 1 day = 24 hours = 1440 min. = 8.64 x 104 seconds | | | 1 year = 365.24 days = 3.156 x 107 seconds | | | 1 fortnight = 2 weeks |
السرعة Velocity | | | 1 kilometer/hour = .27778 meters/second | | | 100 kph = 27.778 m/s | | | 1 mile/hour = .447 m/s | | | 60 miles/hour = 88 feet/second | | | 55 mph = 88.5 kph | | | 60 mph = 96.54 kph | | | 1 radian/sec = 9.549 rpm | | | 65 mph = 104.6 kph | | | 1 foot/minute = .0183 km/hour |
الكتلة Mass | | | 1 gram (g) = 1000 milligrams (mg) | | | 1 kilogram (kg) = 1000 grams | | | 1 (metric) Ton (t) = 1000 kg | | | 1 gram is the mass of 1 cm3 of pure water at 40C 1 kg is the mass of 1 liter of pure water | | | 1 slug = 32.2 pounds mass (lbm) = 14.59 kg | | | 1 kg = 6.852 x 10-2 slug | | | 1 pound mass (lbm) weighs 1 pound force (lbf) on the Earth’s surface where the acceleration of gravity is 32.2 ft/s2 - and - 1 kg weighs 2.205 pounds force |
القوة Force | | | 1 Newton (N) = 1 kg•m/s2 | | | 1 kg weighs 9.81 N on the Earth's surface where the acceleration of gravity is 9.81 m/s2
| | | 1 lbf = 4.4482 N | | | 1 N = 0.2248 lbf | | | 1 kg weights 2.205 lbf | | | 1 N = 105 dyne | | | 1 ounce = 437.5 grains = .0625 lbf |
الطاقة Energy | | | 1 calorie of heat will raise 1 gram of pure water 1°C (at 20°C | | | 1 joule (J) = 1kg•m2/s2 | | | 1 calorie = 4.186 J | | | 1 kcal = 1000 cal = 4186 J | | | 1 Quad = 1015 Btu | | | 1 J = .23884 cal | | | 1 BTU of heat will raise 1 pound of pure water 1°F (at 39.1°F)
| | | Btu = 778.16 ft_lbf | | | 1 Kilowatt•hour = 3,415.3 Btu | | | 1 Btu/min. = 17.57 Watts |
القدرة Power | | | 1 watt (W) = 1kg•m2/s3 = 1 J/s | | | 1 Kilowatt (kW) = 1000 W | | | 1 H.P. = 550 ft•lbf/sec = 33,000 ft•lbf/min. = 745.7 W |
| 1 kW = 1.341 H.P. = 737.6 ft•lbf/sec | | | 1 Btu/min = 0.02357 H.P. = 17.58 W |
الحرارة Temperature | | | °Kelvin (K) = Centigrade © + 273.16° | | | °F = (1.8 x °C) + 32° | | | °C = (°F - 32°) x .555° |
الضغط Pressure | | | 1 Pascal (Pa) = 1 N/m2 | | | 1 bar = 105 N/m2 | | | 1 atmosphere (atm) = 101,325 Pa = 760 torr | | | 1 lbf/in2 = 6.895 x 103 N/m2 | | | 1 torr = 1 mm Hg = 133.32 N/m2 | | | 1 in H2O = 1.868 mm Hg = 249.1 N/m2 |
اللزوجة Viscosity | | | 1 kg/(m_s) = 1 N_s/m2 | | | 1 N•s/m2 = 10 Poise |
الكميات المغناطيسية Magnetic Quantities | | | 1 Tesla (T) = 1 kg/(C•s) | | | 1 T = 104 Gauss (G) for B | | | 1 G = 1 g1/2/ (cm1/2•s) | | | 1 G = 103 C/(m•s) for M | | | 1 G = (1/4_)•103C/(m•s) for H | المصدر شبكة العلوم العربية - قسم الفيزياء | |
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مصطفى دعمس
المدير العام - الأستاذ مصطفى دعمس
عدد المساهمات : 1749
تاريخ التسجيل : 15/11/2010
العمر : 53
الموقع : منتدى المعلم مصطفى دعمس
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