تبدیل واحد ها
واحدهای طول
3ft = 1yd | mi | ft | in | km | m | cm |
1long = 10^-10m | 6-^10*6.3 | 2-^10*3.2 | 0.3937 | 5-^10 | 0.01 | 1 |
یک مایل خشکی = 1609.3m | 4-^10*6.2 | 3.28 | 39.3 | 3-^10 | 1 | 100 |
1ft = 30.48cm | 0.6213 | 3281 | 4^10*3.6 | 1 | 1000 | 100000 |
یک سال نوری 12^10*9.4 | 6-^10*1.6 | 2-^10*8.3 | 1 | 5-^10*2.64 | 2-^10*2.5 | 2.54 |
یک مایل دریایی 1852m | 4-^10*1.9 | 1 | 12 | 4-^10*3.04 | 0.3048 | 30.48 |
یک راد = 16.5ft | 1 | 5280 | 4^10*6.3 | 1.609 | 1609.3 | 5^10*1.61 |
واحد های جرم
1u=1.66*10^-24m | Ton Tr | oz | Lbm | Slug | kg | g |
Grains=6.4*10^-2g | 6-^10 | 2-^10*3.5 | 2-^10*2.2 | 5-^10*6.85 | 3-^10 | 1 |
Ton=1000kg | 2-^10 | 35.27 | 2.205 | 2-^10*6.85 | 1 | 1000 |
Ton=2205lb | 2-^10*1.6 | 514.8 | 32.17 | 1 | 14.56 | 14560 |
Lbm=404g | 0.0005 | 16 | 1 | 2-^10*3.11 | 0.454 | 454 |
Kg=2.205lb | 5-^10*3.1 | 1 | 2-^10*6.25 | 3-^10*1.94 | 0.0028 | 28.35 |
Lbm=1lb | 1 | 4^10*3.2 | 2205 | 62.15 | 1000 | 5^10*10 |
واحد های حجم
علامت بشکه نفت و یا مایع=Bbl | 3^Cm | 3^M | liter | Gallon | 3^Ft | 3^in |
1bbl(oil)=42gal | 16.39 | 5-^10*1.6 | 2-^10*1.64 | 4-^10*4.34 | 4-^10*5.78 | 1 |
1bbl(liquid)=31.5gal | 4^10*2.82 | 4-^10*2.8 | 28.32 | 7.48 | 1 | 1728 |
1gal=3.78lit | 2^10*3.78 | 2-^10*3.7 | 3.78 | 1 | 0.331 | 231 |
1bbl(oil)=159lit | 3^10 | 3-^10 | 1 | 0.264 | 3-^10*3.53 | 61.03 |
1bbl(oil)=0.159m^3 | 6^10 | 1 | 1000 | 264.2 | 35.31 | 61020 |
1bbl(liquid)=119lit | 1 | 6-^10 | 3-^10 | 4-^10*2.64 | 6-^10*35.3 | 0.610 |
واحد های نیرو
F=m*a | Kgf | gf | pdl | lbf | N | Dyn |
Kgf=kg*9.8m/s^2 | 0.102 | 102 | 7.23 | 0.2248 | 1 | 100000 |
Lbf=lbm*32.17ft/s^2 | 0.454 | 454 | 32.17 | 1 | 4.45 | 5^10*4.44 |
Gf=g*981m/s^2 | 0.001 | 1 | 2-^10*7.09 | 2-^10*2.2 | 2-^10*9.8 | 980.7 |
N=kg*m/s^2 | 1 | 1000 | 70.9 | 2.2 | 9.807 | 980700 |
واحد های چگالی ( دانسیته )
Slug/ft^3=155kg/in^3 | kg/lit | Lb/in^3 | Lb/ft^3 | Slug/ft^3 | g/cm^3 | kf/m^3 |
Lb/in^3=27600kg/m^3 | 0.001 | 5-^10*3.6 | 2-^10*6.2 | 3-^10*1.94 | 3-^10 | 1 |
Lb/ft^3=16kg/in^3 | 1 | 2-^10*3.6 | 62.4 | 1.94 | 1 | 1000 |
Lbmole/ft^3=16kgmole/m^3 | 2-^10*1.6 | 4-^10*5.7 | 1 | 3-^10*3.1 | 2-^10*1.6 | 16.02 |
Kgmole/m^3=0.06lbmole/ft^3 | 27.6 | 1 | 1728 | 53.7 | 27.7 | 4^10*2.76 |
واحد های توان
Cal/s | hp | kw | Ft.lbf/s | Btu/hr | Btu/s | w |
0.2389 | 2-^10*1.34 | 0.001 | 0.7376 | 3.413 | 4-^10*9.47 | 1 |
252.8 | 1.415 | 1.055 | 773.16 | 3600.97 | 1 | 3^10*1.055 |
0.07 | 4-^10*3.92 | 4-^10*2.93 | 0.2161 | 1 | 4-^10*2.77 | 0.2930 |
0.3239 | 3-^10*1.81 | 3-^10*1.35 | 1 | 4.628 | 2-^10*1.28 | 1.356 |
238.9 | 1.341 | 1 | 737.56 | 3413 | 0.9478 | 1000 |
178.2 | 1 | 0.7457 | 550 | 2545 | 0.7078 | 745.7 |
1 | 2-^10*5.61 | 2-^10*4.18 | 3.087 | 14.485 | 14.29 | 4.186 |
واحد های کار ، انرژی و حرارت
الکتروولت ev | ارگ erg | Ft.lbf | kw.hr | Hp.hr | cal | Btu | J |
18^10*6.24 | 7^10 | 0.7376 | 7-^10*2.77 | 7-^10*3.72 | 0.2389 | 2-^10*9.48 | 1 |
21^10*6.58 | 10^10*1.05 | 2^10*7.78 | 4-^10*2.93 | 4-^10*3.93 | 252 | 1 | 1055 |
19^10*2.62 | 7^10*4.18 | 3.087 | 6-^10*1.16 | 6-^10*1.59 | 1 | 2-^10*3.96 | 4.18 |
25^10*1.67 | 12^10*2.68 | 6^10*1.98 | 0.7457 | 1 | 5^10*6.41 | 2545 | 2686088.6 |
25^10*2.24 | 12^10*3.6 | 6^10*2.65 | 1 | 1.341 | 5^10*8.6 | 3412.8 | 6^10*3.6 |
18^10*8.64 | 7^10*1.35 | 1 | 7-^10*3.76 | 7-^10*5.05 | 0.324 | 2-^10*1.28 | 1.35 |
1 | 12-^10*1.6 | 19-^10*1.18 | 26-^10*4.45 | 26-^10*5.97 | 20-^10*3.83 | 22-^10*1.5 | 19-^10*1.6 |
11^10*6.24 | 1 | 8-^10*7.37 | 11-^10*2.77 | 11-^10*3.72 | 8-^10*2.39 | 11-^10*9.4 | 2-^10 |
واحد های فشار
in h2o | in Hg | mm Hg | Lb/in^2 psi | Pa | dyn/cm^2 | atm |
406.8 | 29.92 | 760 | 14.7 | 101325 | 6^10*1.013 | 1 |
4-^10*4.01 | 5-^10*2.9 | 4-^10*7.5 | 5-^10*1.4 | 0.1 | 1 | 7-^10*9.87 |
2-^10*4.01 | 2-^10*0.29 | 2-^10*7.5 | 4-^10*1.4 | 1 | 10 | 6-^10*9.87 |
4.016 | 0.29 | 75.02 | 0.145 | 1000 | 10000 | 3-^10*9.87 |
27.68 | 2.03 | 51.7 | 1 | 3^10*6.89 | 2^10*6.89 | 2-^10*6.89 |
0.535 | 2-^10*3.93 | 1 | 2-^10*1.93 | 133.3 | 1333 | 2-^10*1.31 |
13.58 | 1 | 25.4 | 0.491 | 3387 | 33870 | 2-^10*3.34 |
1 | 2-^10*7.35 | 1.86 | 2-^10*3.61 | 249.1 | 2491 | 2-^10*2.45 |