Blood Pressure Chart

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Blood pressure reading includes systolic and diastolic pressure values. Systolic blood pressure is the peak pressure, when the heart contracts while pumping blood. Diastolic blood pressure is the drop in pressure, when the heart is at rest between beats.

Often blood pressure is noted as the systolic number above or before the diastolic, such as 120/80 mmHg. (The mmHg is millimeters of mercury, the unit to measure pressure.)

Blood pressure level chart in mmHg

Blood Pressure Level & Classification Chart

Category

Systolic (mmHg)

Diastolic (mmHg)

Optimal blood pressure

Less than 120

Less than 80

Normal blood pressure

Less than 130

Less than 85

Prehypertension

130 to 139

85 to 89

Grade 1 hypertension (mild)

140 to 159

90 to 99

Grade 2 hypertension (moderate)

160 to 179

100 to 109

Grade 3 hypertension (severe)

More than 180

More than 110

Isolated systolic hypertension (Grade 1)

140 to 159

Less than 90

Isolated systolic hypertension (Grade 2)

More than 160

Less than 90

When systolic and diastolic blood pressures fall under different categories, you should use the higher category to classify blood pressure levels. For example, 150/79 mmHg would be stage 1 hypertension.

In addition, you can consider hypertension:

  • If your systolic number is 140 or more, you may have hypertension, regardless of your diastolic number.
  • If your diastolic number is 90 or more, you may have hypertension, regardless of your systolic number.

Age related healthy blood pressure range.

It is natural that aging loses the elasticity of the arteries as well as increases nutrient requirement, thus blood pressure rises with age. Below is the blood pressure chart to explain blood pressure in-relation to the age.

We came to know from medical studies that the thump rule for the systolic number is 100 plus your age for men (100 plus age minus 10 for female).

Age related normal healthy blood pressure range

Age

Systolic blood pressure (mmHg)

Diastolic blood pressure (mmHg)

Minimum

Average

Maximum

Minimum

Average

Maximum

15 to 19

105

117

120

73

77

81

20 to 24

108

120

132

75

79

83

25 to 29

109

121

133

76

80

84

30 to 34

110

122

134

77

81

85

35 to 39

111

123

135

78

83

86

40 to 44

112

125

137

79

83

87

45 to 49

115

127

139

80

84

88

50 to 54

116

129

142

81

85

89

55 to 59

118

131

144

82

86

90

60 to 64

121

134

147

83

87

91

 

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