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Pressure and Stress

Characteristic

atmosphere

Notes

Symbol

atm

Other Names

standard-atmosphere, atmos, A-n

Metric (SI) Equivalent

1.01325×105 pascals

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

1.01325×105 newtons / meter2

1.01325×105 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

atmosphere Group

Characteristic

atmosphere-technical

Notes

Symbol

at

Metric (SI) Equivalent

98066.5 pascals

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

98066.5 newtons / meter2

98066.5 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

atmosphere Group

Characteristic

bar

Notes

Metric (SI) Equivalent

100000 pascals

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

100000 newtons / meter2

100000 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Characteristic

barad

Notes

Symbol

ba

Other Names

barye, barrie, bary, baryd, baryed, barie

Metric (SI) Equivalent

1 decipascal

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

1 decinewton / meter2

0.1 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Characteristic

foot-of-mercury-conventional

Notes

Other Name

ftHg-conventional

Metric (SI) Equivalent

40636.66 pascals

Other Metric (SI) Equivalents with More Basic Units

40636.66 newtons / meter2

40636.66 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

foot-of-water

( At 39.2 °F (4 °C) )

Notes

Other Name

ftH2O

Metric (SI) Equivalent

2988.98 pascals

Other Metric (SI) Equivalents with More Basic Units

2988.98 newtons / meter2

2988.98 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

foot-of-water-conventional

Notes

Other Name

ftH2O-conventional

Metric (SI) Equivalent

2989.067 pascals

Other Metric (SI) Equivalents with More Basic Units

2989.067 newtons / meter2

2989.067 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

inch-of-mercury

( At 0 °C )

Notes

Other Name

inHg

Metric (SI) Equivalent

3386.38 pascals

Other Metric (SI) Equivalents with More Basic Units

3386.38 newtons / meter2

3386.38 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

inch-of-mercury-60

( At 60 °F )

Notes

Other Name

inHg-60

Metric (SI) Equivalent

3376.85 pascals

Other Metric (SI) Equivalents with More Basic Units

3376.85 newtons / meter2

3376.85 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

inch-of-mercury-conventional

Notes

Other Name

inHg-conventional

Metric (SI) Equivalent

3386.389 pascals

Other Metric (SI) Equivalents with More Basic Units

3386.389 newtons / meter2

3386.389 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

inch-of-water

( At 39.2 °F (4 °C) )

Notes

Other Name

inH2O

Metric (SI) Equivalent

249.082 pascals

Other Metric (SI) Equivalents with More Basic Units

249.082 newtons / meter2

249.082 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

inch-of-water-60

( At 60 °F )

Notes

Other Name

inH2O-60

Metric (SI) Equivalent

248.84 pascals

Other Metric (SI) Equivalents with More Basic Units

248.84 newtons / meter2

248.84 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

inch-of-water-conventional

Notes

Other Names

inH2O-conventional, inch-of-water-UK

"UK" indicates that this unit is used in the United Kingdom.

Metric (SI) Equivalent

249.08891 pascals

Other Metric (SI) Equivalents with More Basic Units

249.08891 newtons / meter2

249.08891 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

kip-per-square-inch

Notes

Symbol

ksi

Metric (SI) Equivalent

6.8947572932×106 pascals

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

6.8947572932×106 newtons / meter2

6.8947572932×106 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Description in Terms of Other Units and Constants

kip-force / inch2

Characteristic

meter-of-mercury

( At 0 °C )

Notes

Other Name

mHg

Metric (SI) Equivalent

1.33322×105 pascals

Other Metric (SI) Equivalents with More Basic Units

1.33322×105 newtons / meter2

1.33322×105 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

meter-of-mercury-conventional

Notes

Other Name

mHg-conventional

Metric (SI) Equivalent

1.333224×105 pascals

Other Metric (SI) Equivalents with More Basic Units

1.333224×105 newtons / meter2

1.333224×105 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-mercury Group

Characteristic

meter-of-water

( At 4 °C )

Notes

Other Name

mH2O

Metric (SI) Equivalent

9806.38 pascals

Other Metric (SI) Equivalents with More Basic Units

9806.38 newtons / meter2

9806.38 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

meter-of-water-conventional

Notes

Other Name

mH2O-conventional

Metric (SI) Equivalent

9806.65 pascals

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

9806.65 newtons / meter2

9806.65 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Unit Group

height-of-water Group

Characteristic

pascal

Notes

Symbol

Pa

Metric (SI) Equivalent

pascal is a metric unit (in fact, it is a derived SI unit)

Other Metric (SI) Equivalents with More Basic Units

10 decinewtons / meter2

1 kilogram / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Characteristic

pieze

Notes

Symbol

pz

Metric (SI) Equivalent

1000 pascals

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

1000 newtons / meter2

1000 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Characteristic

pound-per-square-inch

Notes

Symbol

psi

Metric (SI) Equivalent

6894.7572932 pascals

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

6894.7572932 newtons / meter2

6894.7572932 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

Description in Terms of Other Units and Constants

pound-force / inch2

Characteristic

torr

Notes

Other Name

tor

Metric (SI) Equivalent

133.32236842 pascals

Other Metric (SI) Equivalents with More Basic Units

133.32236842 newtons / meter2

133.32236842 kilograms / meter second2

Metric (SI) Dimensions

length-1 × mass × time-2

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