- , ,
. .

 

. 1. ,

()

(nm, )

(mkm, )

(mm)

(cm)

(dm)

(m)

(km)

(m)

11010

1109

1000000

1000

100

10

1

0.001

. 2. ,

,

(mi)

(rd)

(yd)

(ft)

(in)

(mi)

0.3333

1

320

1760

5280

8000

63360

760300

. 3. -

()

(nm, )

(mkm, )

(mm)

(cm)

(dm)

(m)

(km)

,

48281010

4828109

4828106

4828103

482800

48280

4828

4.828

(mi)

16091010

1609109

1609106

1609103

160900

16090

1609

1.609

(rd)

5029107

5029106

5029103

5029

502.9

50.29

5.029

0.005029

(yd)

9144106

9144105

9144102

914.4

91.44

9.144

0.9144

0.0009144

(ft)

3048106

3048105

3048102

304.8

30.48

3.048

0.3048

0.0003048

2012106

2012105

2012102

201.2

20.12

2.012

0.2012

0.0002012

(in)

254106

254105

254102

25.4

2.54

0.254

0.0254

0.0000254

2117104

2117103

2117

2.117

0.2117

0.02117

0.002117

0.000002117

 


. 4.

c2

2

2

2

2

2

2

c2

1

0.0001

-

0.155

0.001076

0.0001196

-

-

2

10000

1

0.000001

1550

10.7639

1.19599

0.0002471

-

2

-

1000000

1

-

-

-

247.105

0.386102

2

6.4516

0.000645

-

1

0.006944

0.000772

-

-

2

929.03

0.092903

-

144

1

0.111111

0.000023

-

2

8361.27

0.836127

-

1296

9

1

0.0002066

-

-

4046.86

0.004047

-

43560

4840

1

0.001562

2

-

-

2.589987

-

-

-

640

1

 


. 5.

UK cwt

UK

US cwt

US

1

0.001

2.20462

0.019684

0.000984

0.022046

0.001102

1000

1

2204.62

19.6841

0.984207

22.0462

1.10231

0.453592

0.000454

1

0.008929

0.000446

0.01

0.0005

. cwt

50.8023

0.050802

112

1

0.05

1.12

0.056

.

1016.05

1.01605

2240

20

1

22.4

1.12

. cwt

45.3592

0.045359

100

0.892857

0.044643

1

0.05

.

907.185

0.907185

2000

17.8517

0.892857

20

1

 


. 6.

c3

3

(3)

3

3

3

UK

UK

US

US

c3

1

-

0.001

0.061024

0.0000353

-

0.001760

0.00022

0.002113

0.000264

3

-

1

1000

61023.7

35.3147

1.30795

1759.75

219.969

2113.38

264.172

(3 )

1000

0.001

1

61.0237

0.035315

0.001308

1.75975

0.219969

2.11338

0.264172

3

16.3871

-

0.016387

1

0.0005787

0.0000214

0.028837

0.003605

0.034632

0.004329

3

28316.8

0.028317

28.3168

1728

1

0.037037

49.8307

6.22883

59.8442

7.48052

3

764555

0.764555

764.555

46656

27

1

1345.429

168.1784

1615.793

201.974

UK

568.261

0.0005683

0.568261

34.6774

0.020068

0.000743

1

0.125

1.20095

0.150119

UK

4546.09

0.0045461

4.54609

277.42

0.160544

0.005946

8

1

9.6076

1.20095

US

473.176

0.0004732

0.473176

28.875

0.01671

0.000619

0.832674

0.104084

1

0.125

US

3785.41

0.0037854

3.785411

231

0.133681

0.004951

6.661392

0.832674

8

1

 


. 7.

..


..


..

psi

1

760

1013.25

1.0132

101325

406.781

29.9213

14.6959

..

0.0013158

1

1.33322

0.001333

133.322

0.53524

0.03937

0.019337

0.0009869

0.750062

1

0.001

100

0.401463

0.02953

0.014504

0.9869

750.062

1000

1

100000

401.463

29.53

14.504

0.0000099

0.007501

0.01

0.00001

1

0.004015

0.0002953

0.000145


..

0.0024583

1.86832

2.49089

0.002491

249.089

1

0.073556

0.036127


..

0.033421

25.4

33.8639

0.0338639

3386.39

13.5951

1

0.491154

/2

0.068046

51.7149

68.9476

0.068948

6894.76

27.6799

2.03602

1

= 1 /2

 


. 8.

/
(3/)

/

3/

3/

cfm

3/

UK
/

US
/

/
(3/)

1

3600

0.001

3.6

2.118882

127.133

791.8884

951.019

/

0.000278

1

-

0.001

0.000588

0.035315

0.219969

0.264172

3/

1000

3600000

1

3600

2118.88

127133

791889

951019

3/

0.277778

1000

0.000278

1

0.588578

35.3147

219.969

264.1718

cfm

0.471947

1699.017

0.000472

1.699017

1

60

373.73

448.831

3/

0.007866

28.3168

-

0.028317

0.016667

1

6.228833

7.480517

UK /

0.001263

4.54609

-

0.004546

0.002676

0.160544

1

1.20095

US /

0.001052

3.785411

-

0.003785

0.002228

0.133681

0.832674

1

 


. 9.

Btu/

Kl/

Btu/

1

0.293071

0.251996

0.000293

3.41214

1

0.859845

0.001

K/

3.96832

1.163

1

0.001163

3412.14

1000

859.845

1

 


. 10.

Btu

k

Btu

1

0.00001

1055.06

1.055

251.996

100000

1

-

105 500

25 199 600

0.00094

-

1

0.001

0.2388

k

0.9478

0.000009478

1000

1

238.85

0.0039683

0.0039683 x 10-5

4.1868

-

1

 


. 11.

Btu/lb F

/C

Btu/lb F

1

4186.8

/ C

0.00023

1

 


. 12.

Btu/ft2h

/2

K/2

Btu/ft2

1

3.154

2.712

/2

0.3169

1

0.859

Kcal/2

0.368

1.163

1

 


. 13.

Btu/2 F

/2 C

K/2 C

Btu/2 F

1

5.67826

4.88243

/2 C

0.176110

1

0.859845

K/2 C

0.204816

1.163

1

 


. 14.

Btu/

k/

Btu/

1

2.326

k/

0.4299

1

 


:

F = (C x 1.8) + 32

C = (F - 32)/1.8