API Degrees and Specific Gravity

API Degrees is the relationship of the weight of a petroleum product in relation to water.
If it is lighter than water and floats on water, the API degrees are over 10. Those that are below 10 are heavier than water and sink to the bottom.

If you would prefer a calculator, clic here

All of the values are determined at 60 °F (15.6 °C)

Grados
API

Gravedad
Específica

Kilos
por Litro

Libras por
Galón

1

1.0679

1.0658

8.8964

1.5

1.0639

1.0618

8.8630

2

1.0599

1.0578

8.8298

2.5

1.0560

1.0539

8.7968

3

1.0520

1.0499

8.7641

3.5

1.0481

1.0461

8.7317

4

1.0443

1.0422

8.6994

4.5

1.0404

1.0384

8.6674

5

1.0366

1.0346

8.6357

5.5

1.0328

1.0308

8.6042

6

1.0291

1.0270

8.5729

6.5

1.0254

1.0233

8.5418

7

1.0217

1.0196

8.5110

7.5

1.0180

1.0159

8.4804

8

1.0143

1.0123

8.4500

8.5

1.0107

1.0087

8.4198

9

1.0071

1.0051

8.3898

9.5

1.0035

1.0015

8.3601

10

1.0000

0.9980

8.3306

10.5

0.9965

0.9945

8.3012

11

0.9930

0.9910

8.2721

11.5

0.9895

0.9875

8.2432

12

0.9861

0.9841

8.2144

12.5

0.9826

0.9807

8.1859

13

0.9792

0.9773

8.1576

13.5

0.9759

0.9739

8.1295

14

0.9725

0.9706

8.1015

14.5

0.9692

0.9672

8.0738

15

0.9659

0.9639

8.0462

15.5

0.9626

0.9607

8.0189

16

0.9593

0.9574

7.9917

16.5

0.9561

0.9542

7.9647

17

0.9529

0.9510

7.9379

17.5

0.9497

0.9478

7.9112

18

0.9465

0.9446

7.8848

18.5

0.9433

0.9414

7.8585

19

0.9402

0.9383

7.8324

19.5

0.9371

0.9352

7.8064

20

0.9340

0.9321

7.7807

20.5

0.9309

0.9291

7.7551

21

0.9279

0.9260

7.7297

21.5

0.9248

0.9230

7.7044

22

0.9218

0.9200

7.6793

22.5

0.9188

0.9170

7.6544

23

0.9159

0.9140

7.6296

23.5

0.9129

0.9111

7.6050

24

0.9100

0.9081

7.5805

24.5

0.9071

0.9052

7.5562

25

0.9042

0.9023

7.5321

25.5

0.9013

0.8995

7.5081

26

0.8984

0.8966

7.4843

26.5

0.8956

0.8938

7.4606

27

0.8927

0.8910

7.4371

27.5

0.8899

0.8882

7.4137

28

0.8871

0.8854

7.3904

28.5

0.8844

0.8826

7.3673

29

0.8816

0.8799

7.3444

29.5

0.8789

0.8771

7.3216

30

0.8762

0.8744

7.2989

30.5

0.8735

0.8717

7.2764

31

0.8708

0.8690

7.2540

31.5

0.8681

0.8664

7.2317

32

0.8654

0.8637

7.2096

32.5

0.8628

0.8611

7.1876

33

0.8602

0.8585

7.1658

33.5

0.8576

0.8559

7.1441

34

0.8550

0.8533

7.1225

34.5

0.8524

0.8507

7.1010

35

0.8498

0.8482

7.0797

35.5

0.8473

0.8456

7.0585

36

0.8448

0.8431

7.0375

36.5

0.8423

0.8406

7.0165

37

0.8398

0.8381

6.9957

37.5

0.8373

0.8356

6.9750

38

0.8348

0.8331

6.9544

38.5

0.8324

0.8307

6.9340

39

0.8299

0.8283

6.9136

39.5

0.8275

0.8258

6.8934

40

0.8251

0.8234

6.8733

40.5

0.8227

0.8210

6.8533

41

0.8203

0.8186

6.8335

41.5

0.8179

0.8163

6.8137

42

0.8156

0.8139

6.7941

42.5

0.8132

0.8116

6.7746

43

0.8109

0.8093

6.7551

43.5

0.8086

0.8070

6.7358

44

0.8063

0.8047

6.7167

44.5

0.8040

0.8024

6.6976

45

0.8017

0.8001

6.6786

45.5

0.7994

0.7978

6.6597

46

0.7972

0.7956

6.6410

46.5

0.7949

0.7934

6.6223

47

0.7927

0.7911

6.6038

47.5

0.7905

0.7889

6.5853

48

0.7883

0.7867

6.5670

48.5

0.7861

0.7845

6.5487

49

0.7839

0.7824

6.5306

49.5

0.7818

0.7802

6.5126

50

0.7796

0.7781

6.4946

50.5

0.7775

0.7759

6.4768

51

0.7753

0.7738

6.4590

51.5

0.7732

0.7717

6.4414

52

0.7711

0.7696

6.4238

52.5

0.7690

0.7675

6.4064

53

0.7669

0.7654

6.3890

53.5

0.7649

0.7633

6.3717

54

0.7628

0.7613

6.3546

54.5

0.7608

0.7592

6.3375

55

0.7587

0.7572

6.3205

55.5

0.7567

0.7552

6.3036

56

0.7547

0.7532

6.2868

56.5

0.7527

0.7512

6.2701

57

0.7507

0.7492

6.2534

57.5

0.7487

0.7472

6.2369

58

0.7467

0.7452

6.2204

58.5

0.7447

0.7432

6.2041

59

0.7428

0.7413

6.1878

59.5

0.7408

0.7394

6.1716

60

0.7389

0.7374

6.1555

60.5

0.7370

0.7355

6.1394

61

0.7351

0.7336

6.1235

61.5

0.7332

0.7317

6.1076

62

0.7313

0.7298

6.0918

62.5

0.7294

0.7279

6.0761

63

0.7275

0.7261

6.0605

63.5

0.7256

0.7242

6.0450

64

0.7238

0.7223

6.0295

64.5

0.7219

0.7205

6.0141

65

0.7201

0.7187

5.9988

65.5

0.7183

0.7168

5.9836

66

0.7165

0.7150

5.9685

66.5

0.7146

0.7132

5.9534

67

0.7128

0.7114

5.9384

67.5

0.7111

0.7096

5.9235

68

0.7093

0.7079

5.9086

68.5

0.7075

0.7061

5.8939

69

0.7057

0.7043

5.8792

69.5

0.7040

0.7026

5.8645

70

0.7022

0.7008

5.8500

70.5

0.7005

0.6991

5.8355

71

0.6988

0.6974

5.8211

71.5

0.6970

0.6957

5.8068

72

0.6953

0.6939

5.7925

72.5

0.6936

0.6922

5.7783

73

0.6919

0.6905

5.7642

73.5

0.6902

0.6889

5.7501

74

0.6886

0.6872

5.7361

74.5

0.6869

0.6855

5.7222

75

0.6852

0.6839

5.7083

 

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