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ABV % Calculation

ABV % Calculation

The chart below will assist you in calculating the alcohol content of your brew. Alcohol can be calculated by the difference between the hydrometer readings you take at the start and at the end of fermentation.

START GRAVITY

1.030

1.036

1.038

1.040

1.042

1.044

1.046

1.048

1.050

1.052

1.054

0.990

5.43

6.25

6.52

6.79

7.07

7.35

7.61

7.88

7.15

8.42

8.70

1.000

4.08

4.89

5.16

5.43

5.71

5.98

6.25

6.52

6.79

7.07

7.34

1.002

3.80

4.62

4.89

5.16

5.43

5.71

5.98

6.25

6.52

6.79

7.07

1.004

3.53

4.35

4.62

4.89

5.16

5.43

5.71

5.98

6.29

6.52

6.79

FINAL GRAVITY

1.006

3.26

4.08

4.35

4.62

4.89

5.16

5.43

5.71

5.98

6.25

6.52

1.008

3.99

3.80

4.08

4.35

4.62

4.89

5.16

5.46

5.71

5.98

6.25

1.010

2.72

3.53

3.80

4.08

4.35

4.62

4.89

5.16

5.43

5.71

5.98

1.012

2.45

3.26

3.53

3.80

4.08

4.35

4.62

4.89

5.16

5.43

5.71

1.014

2.17

2.99

3.26

3.53

3.80

4.08

4.35

4.62

4.89

5.16

5.43

1.016

1.90

52.72

2.99

3.26

3.53

3.80

4.08

4.35

4.62

4.89

5.16

1.018

1.63

2.45

2.72

2.99

3.26

3.53

3.80

4.08

4.35

4.62

4.89

1.020

1.36

2.17

2.45

2.72

2.99

3.26

3.53

3.80

4.08

4.35

4.62

1.022

1.09

1.90

2.17

2.45

2.72

2.99

3.26

3.53

3.80

4.08

4.35

 

 

START GRAVITY

1.056

1.058

1.060

1.065

1.070

1.075

1.080

1.085

1.090

1.095

1.100

0.990

8.97

9.24

9.51

1.09

10.87

11.55

12.23

12.91

13.59

14.27

14.92

1.000

7.61

7.88

8.15

8.83

9.51

1.09

10.87

11.55

12.52

12.91

13.59

1.002

7.35

7.63

7.88

8.56

9.27

9.95

10.60

11.28

11.96

12.64

13.32

FINAL GRAVITY

1.004

7.07

7.34

7.63

8.26

8.97

9.65

1.33

11.01

11.68

12.36

13.04

1.006

6.79

7.07

7.34

7.34

8.70

9.37

10.05

10.73

11.41

12.09

12.77

1.008

6.52

6.79

7.07

7.74

8.42

9.10

9.78

10.46

11.14

11.82

12.50

1.010

6.25

6.52

6.79

7.47

8.15

8.83

9.51

10.19

10.87

11.55

12.23

1.012

5.98

6.25

6.52

7.20

7.88

8.56

9.24

9.92

10.60

11.28

11.96

1.014

5.71

5.98

6.25

6.93

7.61

8.29

8.97

9.65

10.33

11.01

11.68

1.016

5.43

5.71

5.98

6.66

7.34

8.02

8.70

9.37

10.05

10.73

11.41

1.018

5.16

5.43

5.71

6.39

7.07

7.74

8.42

9.10

9.78

10.46

11.14

1.020

4.89

5.16

5.43

6.11

6.79

7.47

8.15

8.83

9.51

10.19

10.87

1.022

4.62

4.89

5.16

5.84

6.52

7.20

7.00

8.56

9.24

9.92

10.60

EXAMPLE: Your brew starts at 1.044 and finishes at 1.010. Following the chart these 2 intersect at 4.62% If you are bottling your brew, you need to allow a further .05% for the carb drops. 4.62% + .05% = 5.12%

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categories : Robyns blog