데시벨 (dB) 환산표

 


Power Ratio

Current Ratio

Gain

10dB/10

10dB/20

Loss

1/(10dB/10)

1/(10dB/20)

 

 

Power ratio

Current Ratio

 

Power ratio

Current Ratio

dB

Gain

Loss

Gain

Loss

dB

Gain

Loss

Gain

Loss

0.1

1.02

0.977

1.012

0.989

6.0

3.98

0.251

1.995

0.501

0.2

1.05

0.955

1.023

0.977

6.1

4.07

0.245

2.018

0.495

0.3

1.07

0.933

1.035

0.966

6.2

4.17

0.240

2.042

0.490

0.4

1.10

0.912

1.047

0.955

6.3

4.27

0.234

2.065

0.484

0.5

1.12

0.891

1.059

0.944

6.4

4.37

0.229

2.089

0.479

0.6

1.15

0.871

1.072

0.933

6.5

4.47

0.224

2.113

0.473

0.7

1.17

0.851

1.084

0.923

6.6

4.57

0.219

2.138

0.468

0.8

1.20

0.832

1.096

0.912

6.7

4.68

0.214

2.163

0.462

0.9

1.23

0.813

1.109

0.902

6.8

4.79

0.209

2.188

0.457

1.0

1.26

0.794

1.122

0.891

6.9

4.90

0.204

2.213

0.452

1.1

1.29

0.776

1.135

0.881

7.0

5.01

0.200

2.239

0.447

1.2

1.32

0.759

1.148

0.871

7.1

5.13

0.195

2.265

0.442

1.3

1.35

0.741

1.161

0.861

7.2

5.25

0.191

2.291

0.437

1.4

1.38

0.724

1.175

0.851

7.3

5.37

0.186

2.317

0.432

1.5

1.41

0.708

1.189

0.841

7.4

5.50

0.182

2.344

0.427

1.6

1.45

0.692

1.202

0.832

7.5

5.62

0.178

2.371

0.422

1.7

1.48

0.676

1.216

0.822

7.6

5.75

0.174

2.399

0.417

1.8

1.51

0.661

1.230

0.813

7.7

5.89

0.170

2.427

0.412

1.9

1.55

0.646

1.245

0.804

7.8

6.03

0.166

2.455

0.407

2.0

1.58

0.631

1.259

0.794

7.9

6.17

0.162

2.483

0.403

2.1

1.62

0.617

1.274

0.785

8.0

6.31

0.158

2.512

0.398

2.2

1.66

0.603

1.288

0.776

8.1

6.46

0.155

2.541

0.394

2.3

1.70

0.589

1.303

0.767

8.2

6.61

0.151

2.570

0.389

2.4

1.74

0.575

1.318

0.759

8.3

6.76

0.148

2.600

0.385

2.5

1.78

0.562

1.334

0.750

8.4

6.92

0.145

2.630

0.380

2.6

1.82

0.550

1.349

0.741

8.5

7.08

0.141

2.661

0.376

2.7

1.86

0.537

1.365

0.733

8.6

7.24

0.138

2.692

0.372

2.8

1.91

0.525

1.380

0.724

8.7

7.41

0.135

2.723

0.367

2.9

1.95

0.513

1.396

0.716

8.8

7.59

0.132

2.754

0.363

3.0

2.00

0.501

1.413

0.708

8.9

7.76

0.129

2.786

0.359

3.1

2.04

0.490

1.429

0.700

9.0

7.94

0.126

2.818

0.355

3.2

2.09

0.479

1.445

0.692

9.1

8.13

0.123

2.851

0.351

3.3

2.14

0.468

1.462

0.684

9.2

8.32

0.120

2.884

0.347

3.4

2.19

0.457

1.479

0.676

9.3

8.51

0.117

2.917

0.343

3.5

2.24

0.447

1.496

0.668

9.4

8.71

0.115

2.951

0.339

3.6

2.29

0.437

1.514

0.661

9.5

8.91

0.112

2.985

0.335

3.7

2.34

0.427

1.531

0.653

9.6

9.12

0.110

3.020

0.331

3.8

2.40

0.417

1.549

0.646

9.7

9.33

0.107

3.055

0.327

3.9

2.45

0.407

1.567

0.638

9.8

9.55

0.105

3.090

0.324

4.0

2.51

0.398

1.585

0.631

9.9

9.77

0.102

3.126

0.320

4.1

2.57

0.389

1.603

0.624

10.0

10.00

0.100

3.162

0.316

4.2

2.63

0.380

1.622

0.617

11.0

12.59

0.079

3.548

0.282

4.3

2.69

0.372

1.641

0.610

12.0

15.85

0.063

3.981

0.251

4.4

2.75

0.363

1.660

0.603

13.0

19.95

0.050

4.467

0.224

4.5

2.82

0.355

1.679

0.596

14.0

25.12

0.040

5.012

0.200

4.6

2.88

0.347

1.698

0.589

15.0

31.62

0.032

5.623

0.178

4.7

2.95

0.339

1.718

0.582

16.0

39.81

0.025

6.310

0.158

4.8

3.02

0.331

1.738

0.575

17.0

50.12

0.020

7.079

0.141

4.9

3.09

0.324

1.758

0.569

18.0

63.10

0.016

7.943

0.126

5.0

3.16

0.316

1.778

0.562

19.0

79.43

0.013

8.913

0.112

5.1

3.24

0.309

1.799

0.556

20.0

100.00

0.010

10.000

0.100

5.2

3.31

0.302

1.820

0.550

25.0

316.23

0.003

17.783

0.056

5.3

3.39

0.295

1.841

0.543

30.0

1000.00

0.001

31.623

0.032

5.4

3.47

0.288

1.862

0.537

35.0

3162.28

0.0003

56.234

0.018

5.5

3.55

0.282

1.884

0.531

40.0

10000.00

0.0001

100.000

0.010

5.6

3.63

0.275

1.905

0.525

45.0

31622.78

0.00003

177.828

0.006

5.7

3.72

0.269

1.928

0.519

50.0

100000.00

0.00001

316.228

0.003

5.8

3.80

0.263

1.950

0.513

55.0

316227.77

0.000003

562.341

0.002

5.9

3.89

0.257

1.972

0.507

60.0

1000000.00

0.000001

1000.000

0.001

dB

Gain

Loss

Gain

Loss

dB

Gain

Loss

Gain

Loss

 

Power ratio

Current Ratio

 

Power ratio

Current Ratio



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