Converting pressure to pressure online. Drilling craft

Pressure- this is a quantity that is equal to the force acting strictly perpendicular to a unit surface area. Calculated using the formula: P = F/S. The international calculation system assumes the measurement of this value in pascals (1 Pa is equal to a force of 1 newton per area of ​​1 square meter, N/m2). But since this is a fairly low pressure, measurements are often indicated in kPa or MPa. In various industries it is customary to use their own number systems, in the automotive, pressure can be measured: in bars, atmospheres, kilograms of force per cm² (technical atmosphere), mega pascals or psi(psi).

To quickly convert units of measurement, you should focus on the following relationship of values ​​to each other:

1 MPa = 10 bar;

100 kPa = 1 bar;

1 bar ≈ 1 atm;

3 atm = 44 psi;

1 PSI ≈ 0.07 kgf/cm²;

1 kgf/cm² = 1 at.

Pressure unit ratio table
Magnitude MPa bar atm kgf/cm2 psi at
1 MPa 1 10 9,8692 10,197 145,04 10.19716
1 bar 0,1 1 0,9869 1,0197 14,504 1.019716
1 atm (physical atmosphere) 0,10133 1,0133 1 1,0333 14,696 1.033227
1 kgf/cm2 0,098066 0,98066 0,96784 1 14,223 1
1 PSI (lb/in²) 0,006894 0,06894 0,068045 0,070307 1 0.070308
1 at (technical atmosphere) 0.098066 0.980665 0.96784 1 14.223 1

Why do you need a pressure unit conversion calculator?

The online calculator will allow you to quickly and accurately convert values ​​from one pressure measurement unit to another. This conversion can be useful to car owners when measuring compression in the engine, checking the pressure in the fuel line, inflating tires to the required value (very often it is necessary convert PSI to atmospheres or MPa to bar when checking pressure), filling the air conditioner with freon. Since the scale on the pressure gauge may be in one number system, and in the instructions in a completely different one, there is often a need to convert bars into kilograms, megapascals, kilograms of force per square centimeter, technical or physical atmospheres. Or, if you need a result in the English numeral system, then pound-force per square inch (lbf in²), in order to exactly correspond to the required instructions.

How to use an online calculator

In order to use the instant conversion of one pressure value to another and find out how much bar will be in MPa, kgf/cm², atm or psi you need:

  1. In the left list, select the unit of measurement with which you want to convert;
  2. In the right list, set the unit to which the conversion will be performed;
  3. Immediately after entering a number in any of the two fields, the “result” appears. So you can convert from one value to another and vice versa.

For example, the number 25 was entered into the first field, then depending on the selected unit, you will calculate how many bars, atmospheres, megapascals, kilograms of force produced per cm² or pound-force per square inch. When this same value was put in another (right) field, the calculator will calculate the inverse ratio of the selected physical pressure values.

The car owner regularly has to service wheel tires - this is replacement and inflation. When buying a modern air pump, many motorists are confused by the strange “PSI” indicator. This is especially true for Chinese units. If you have a budget compressor at home, you can see that it says “300 PSI.” This is an alternative pressure indicator used in European countries.

In the photo there is a pneumatic pump - necessary when servicing rubber

The most common indicator for a driver from a CIS country is Atmospheres (Atm). In order not to make a mistake with tire inflation, you need to be able to convert PSI to atmospheres. Convenient tables and simple ratios help with this. As for PSI, this is an indicator of air pressure in the wheels; three letters hide the expression pounds per square inch - lbf/in². China indicates pressure in this way because it is suitable for most modern foreign cars.

Atm to PSI conversion explained; PSI to Bar; PSI in kg/cm²

A translation may not be required if the driver has a foreign car at his disposal - on the bodies of foreign cars, the pressure is indicated in PSI, the most common indicators for passenger cars are 29 and 35. However, “Russified” foreign cars that are produced in the CIS, come out with the “technical atmosphere” indicator. A striking example is Renault Logan or Kia Rio. The most convenient way is to convert to one indicator, which is 1 Bar (a unit of pressure and gravity):

  • If you convert 1 Bar to 1 Atmosphere, the figure will be approximately the same
  • When converting PSI to Bar, you get the following ratio: 1 Bar = 14 PSI
  • 1 Atmosphere equals 14 PSI

Video about optimal tire pressure

In the case when pressure is measured in Bar on pneumatic pumps, you need to remember that this indicator corresponds to the generally accepted Atmospheres in the CIS, and the minimum spread is not taken into account.

Conversion can be made from PSI to kg/cm²:

  • 1 pound equals 0.453 kilograms. This is not an exact figure, but for technical work it is suitable
  • 1 square inch is equal to 6.4516 cm²

Having these two indicators, you can find out how many kg/cm² are in PSI. Result: 1 PSI = 0.0702 kg/cm²

Accordingly, 20 PSI will be equal to 1.4 kg/cm²

These two indicators have a ratio: 7.03*10-2

An alternative indicator of tire pressure in Europe is PSI.

In order not to waste time calculating the proportion, you can use a simple table that shows the values ​​for the pressure in the tires of a car - here the driver will find various options for measuring pressure. There are also convenient unit calculators where you can also convert Bar to PSI. If you want to find out how many atmospheres there should be in a particular tire, you can perform an independent calculation, the reporting point will be 1 PSI = 0.07 Atm.

Sometimes it may be necessary to convert PSI to kg/cm² or vice versa. The calculation here will be more complicated, so it will be easier and more rational to use a ready-made table, which contains the main indicators for cars, bicycles, motorcycles and mopeds. Instead of Bar, you can substitute atmospheres - the indicator will not change. These ratios and the table should give a clear answer to the question: “how to convert PSI to Atm?”

Psi kPa kg/cm2 bar
20 138 1.4 1.4
21 145 1.5 1.4
22 152 1.5 1.5
23 159 1.6 1.6
24 165 1.7 1.7
25 172 1.8 1.7
25.5 176 1.8 1.8
26 179 1.8 1.8
26.5 183 1.9 1.8
27 186 1.9 1.9
27.5 190 1.9 1.9
28 193 2.0 1.9
28.5 197 2.0 2.0
29 200 2.0 2.0
29.5 203 2.1 2.0
30 207 2.1 2.1
30.5 210 2.1 2.1
31 214 2.2 2.1
31.5 217 2.2 2.2
32 221 2.2 2.2
32.5 224 2.3 2.2
33 228 2.3 2.3
33.5 231 2.4 2.3
34 234 2.4 2.3
34.5 238 2.4 2.4
35 241 2.5 2.4
35.5 245 2.5 2.4
36 248 2.5 2.5
36.5 252 2.6 2.5
37 255 2.6 2.6
37.5 259 2.6 2.6
38 262 2.7 2.6
38.5 265 2.7 2.7
39 269 2.7 2.7
39.5 272 2.8 2.7
40 276 2.8 2.8
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To find out how many kilograms of force per square centimeter are in the atmosphere, you need to use a simple web-based calculator. Enter the number of atmospheres you want to convert in the left field. In the field on the right you will see the calculation result. If you need to convert atmosphere or kilogram force per square centimeter to other units, simply click the appropriate link.

A non-systematic pressure measurement unit that approximates atmospheric pressure at global ocean level.

Converting atmosphere to kilograms per square centimeter

In addition, two units are the technical atmosphere (at, at) and the normal, standard or physical atmosphere (atm, atm). One technical atmosphere is a single perpendicular force of 1 kg force on a flat surface of 1 cm2. 1 at. = 98.066.5 Pa. The standard atmosphere is a 760mm mercury column with a mercury density of 13,595.04 kg/m³ and zero temperature.

1 atm = 101,325 Pa = 1.0323233 at. The Russian Federation uses only the technical atmosphere.

In the past, the terms "ata" and "ati" were used for absolute and gauge pressure.

Excessive pressure is the difference between absolute and atmospheric pressure, when the absolute is greater than atmospheric pressure. The difference between atmospheric and absolute pressure, when the absolute pressure is lower than atmospheric pressure, is called vacuum (vacuum).

What is “kilogram of force per square centimeter”

Pressure unit conversion table

Pressure measuring instruments Pennsylvania kPa MPa kgf/m2 kgf/cm2 mmHg mm of water. bar
1 Pascal 1 10-3 10-6 0.1019716 10,19716 * 10-6 0.00750062 0.1019716 0,00001
1 Kilopascal 1000 1 10-3 101.9716 0.01019716 7,50062 101.9716 0,01
1 megapascal 1000000 1000 1 101971,6 10,19716 7500,62 101971,6 10
1 kilogram force per square meter 9,80665 9 80665 * 10-3 9 80665 * 10-6 1 0,0001 0.0735559 1 98.0665 * 10-6
1 kilogram of force per square centimeter 98066,5 98,0665 0.0980665 10000 1 735 559 10000 0.980665
1 millimeter mercury (at 0 degrees) 133.3224 0.1223224 0,0001333224 13,5951 0.00135951 1 13,5951 0.00133224
1 millimeter of water column (at 0 degrees) 9,80665 9,807750 * 10-3 9 80665 * 10-6 1 0,0001 0.0735559 1 98.0665 * 10-6
1 bar 100000 100 0,1 10197,16 1019716 750 062 10197,16 1

Pressure conversion table

bar:
1bar = 0.1 MPa
1bar = 100 kPa
1bar = 1000 mbar
1 bar = 1.019716 kgf/cm2
1bar = 750 mmHg (Torr)
1 bar = 10197.16 kgf/m2 (atm.tech)
1bar = 10197.16 mm.

water. Art.
1bar = 0.986 atm. physical
1bar = 10 N/cm2
1bar = 1.000.000 din / cm2 = 106 din / cm2
1 bar = 14.50377 pounds per square inch (psi)
1 mbar = 0.1 kPa
1 mbar = 0.75 mm.

GT; item(torr)
1 mbar = 10.19716 kgf/m2
1 mbar = 10 19716 mm. water. Art.
1 mbar = 0.401463 inH2O (centimeter water column)

KGS/CM2 (ATM.TECH.)
1 kg/cm2 = 0.0980665 MPa
1 kgf/cm2 = 98.0665 kPa
1 kg/cm2 = 0.980665 bar
1 kg/cm2 = 736 mm Hg.

(Torr)
1 kg/cm2 = 10,000 mm.
1 kg/cm2 = 0.968 atm. physical
1 kgf/cm2 = 14.22334 psi
1 kg/cm2 = 9.80665 N/cm2
1 kg/cm2 = 10,000 kgf/m2

MP:
1 MPa = 1000000 Pa
1 MPa = 1000 kPa
1 MPa = 10.19716 kgf/cm2 (atm.tech)
1 MPa = 10 bar
1 MPa = 7500 mm.

GT; item(torr)
1 MPa = 101971.6 mm. water. Art.
1 MPa = 101971.6 kgf/m2
1 MPa = 9.87 atm. physical
1 MPa = 106 N/m2
1 MPa = 107 dyne/cm2
1 MPa = 145.0377 psi
1 MPa = 4014.63 inH2O

MMRT.ST.

(Torr)
1 mmHg = 133.3 10-6 MPa
1 mmHg = 0.1333 kPa
1 mmHg = 133.3 Pa
1 mmHg = 13.6 10-4 kgf/cm2
1 mmHg

13.33 10-4 bar
1 mmHg = 1.333 mbar
1 mmHg = 13.6 mm. Water.st.
1 mmHg = 13.16 10-4 atm. physical
1 mmHg = 13.6 kgf/m2
1 mmHg = 0.019325 psi
1 mmHg = 75.051 N/cm2

kPa
1 kPa = 1000 Pa
1 kPa = 0.001 MPa
1 kPa = 0.01019716 kgf/cm2
1kPa = 0.01 bar
1 kPa = 7.5 mm.

GT; item(torr)
1 kPa = 101.9716 kgf/m2
1 kPa = 0.00987 atm. physical
1 kPa = 1000 N/m2
1 kPa = 10,000 dynes/cm2
1 kPa = 10 mbar
1 kPa = 101.9716 mm. water. Art.
1 kPa = 4.01463 inH2O
1 kPa = 0.1450377 psi
1 kPa = 0.1 N/cm2

MM VOD.ST (CGS/M2)
1mm.vod.st. = 9.80665 10 -6 MPa
1mm.vod.st. = 9.80665 10 -3 kPa
1mm.vod.st. = 0.980665 10-4 bar
1mm.vod.st.

Physical atmosphere in kilograms per square centimeter

0.0980665 mbar
1mm.vod.st. = 0.968 10-4 atm.
1mm.vod.st. = 0.0736 mm Hg. (torr)
1mm.vod.st. = 0.0001 kg/cm2
1mm.vod.st. = 9.80665 Pa
1mm.vod.st. = 9.80665 10-4 N/cm2
1mm.vod.st.

703.7516 psi

We do not assume that in others you are using an automatic converter for some pressure units. But we provide basic information that will help you understand and learn on your own and easily convert the raw data into any pressure measurement unit.

We are confident that this knowledge will be more reliable than any automatic conversion and will be more useful to you in the future.

pressure An amount equal to the force acting exactly perpendicular to a block of surface area. Calculated by the formula: P=F/S. The International Computing System provides the measurement of this value in pascals (1 Pa is equal to 1 Newton per square meter, N / m2).

But since this is quite a low pressure, measurements are often marked in kPa or MPa. In various industries it is common to use their own computer systems, in the automotive, Pressure can be measured: in batches, atmosphere, kilogram force per cm2 (technical atmosphere), megapascal or kilogram per square inch(Psi).

To quickly convert units of measurement, we need to focus on this relationship connection:

1 MPa = 10 bar;

100 kPa = 1 bar;

1 bar ≈ 1 atm;

3 atm = 44 psi;

1 PSI ≈ 0.07 kgf/cm²;

1 kgf/cm2 = 1 at.

Specific pressure coefficient table
meaning MPa bar ATM kgf/cm2 dogs on
1 MPa 1 10 9,8692 10197 145,04 10,19716
1 bar 0,1 1 0,9869 1,0197 14,504 1.019716
1 atm (physical atmosphere) 0,10133 1,0133 1 1,0333 14,696 1.033227
1 kgf/cm2 0.098066 0,98066 0,96784 1 14223 1
1 PSI (lb/in²) 0.006894 0,06894 0.068045 0.070307 1 0.070308
1 in (technical atmosphere) 0.098066 0.980665 0,96784 1 14223 1

Why do you need a conversion calculator for pressure units

The web calculator allows you to quickly and accurately convert values ​​from one pressure measurement unit to another.

Such a leak can be useful for car owners when measuring engine pressure, checking fuel pressure, inflating tires to the desired value (very often transfer of PSI into the atmosphere or MPa per panel when checking the pressure), charge the air conditioner with freon.

Atmosphere (unit)

Because the scale meter can be calculated in the same system, and in the instructions, completely different, it is often necessary to translate into a column of kilograms, megapascals, kilograms of force per square centimeter, technical and physical atmosphere. Or if you need an English rating and pounds per square inch (lbf in²) to accurately meet the required requirements.

How to use the web calculator

To use the transfer of one pressure value to another and find out how much of the rod is in MPa, kgf / cm2, atm or dogs, you will need:

  1. In the left list, select the device you want to convert;
  2. In the right list, set the unit for which you want to convert;
  3. Immediately after entering the number, the “result” appears in both fields.

    This way you can convert from one meaning to another and vice versa.

For example, the number is 25, and then depending on the selected block, calculate how many stripes, atmospheres, MPa, kilopond will be one cm² or pound force per square centimeter, was entered in the first field.

When this value is placed in the second (right) field, the calculator will calculate the inverse relationship between the selected physical pressure values.

See also

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Questions about the operation of the calculator,

and leave ideas in the comments

Pressure calculator for MPa, kgf and dogs

How many meters of atmosphere are there in one millimeter of mercury?

  1. The entire atmosphere is 760 mmHg. Art.

    Unit converter

    If its density were constant over height, the thickness of the atmosphere would be 20 km. Well, separate one from the other.
    Well, or this: the density of tinder is 13.6 g/cu. cm, and air - 1.29 g/liter. Again, a simple proportion.

  2. Every 12 meters in height, atmospheric pressure rises by one millimeter of mercury or by 133.3 Pa
  3. 12 meters
  4. Hello!
    There is such a concept - the pressure level, this is the height to which you need to rise or fall in order for the atmospheric pressure to change by a pressure unit (or mmHg).

    st, or hPa).
    Sounds like that's what you asked?
    If the pressure were distributed evenly and linearly with height, then everything would be as Leonid described in the answer, but this is not true.
    In fact, pressure changes unevenly (nonlinearly) with altitude - it changes sharply (falls with altitude) at low altitudes (up to 5 km), then falls at a lower speed with altitude (at altitudes from 5 to 10 km) and even more slowly at higher altitudes altitudes Accordingly, the step will be greater, the lower the atmospheric pressure itself.

    Therefore, the barometric level increases with altitude.
    Near sea level, at a pressure of 1000 hPa and an air temperature of 0C, the pressure step is close to 8 m of height difference for a change in atmospheric pressure of 1 hPa. Due to the fact that 1 mm Hg. Art. = 1.333 hPa, then recalculation shows that this will correspond to the fact that a pressure change of 1 mm Hg. st will occur under these conditions with a change in height of 10.7 m.
    At an altitude of about 5 km, where the pressure is almost 2 times lower than at sea level, the pressure level is significantly greater and is close to 15 m per 1 hPa, i.e.

    e. this will correspond to a 20 m change in height for a pressure difference of 1 mmHg. Art.
    As the air temperature decreases, the pressure level decreases by 0.4% for each degree of temperature.
    The concept of a pressure stage is very important for solving a number of technical problems and is used in barometric leveling (determining altitudes using atmospheric pressure measurements), designing barometric altimeters (determining altitudes using an atmospheric pressure sensor) for all types of aircraft and other tasks.
    All the best.

  5. about 100 km

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  • The unit of measurement of pressure in SI is pascal (Russian designation: Pa; international: Pa) = N/m 2
  • Conversion table for pressure measurement units. Pa; MPa; bar; atm; mmHg.; mm H.S.; m w.st., kg/cm 2 ; psf; psi; inches Hg; inches in.st. below
  • Note, there are 2 tables and a list. Here's another useful link:
Conversion table for pressure measurement units. Pa; MPa; bar; atm; mmHg.; mm H.S.; m w.st., kg/cm 2; psf; psi; inches Hg; inches in.st. Pressure units ratio.
In units:
Pa (N/m2) MPa bar atmosphere mmHg Art. mm in.st. m in.st. kgf/cm 2
Should be multiplied by:
Pa (N/m2) - pascal, SI unit of pressure 1 1*10 -6 10 -5 9.87*10 -6 0.0075 0.1 10 -4 1.02*10 -5
MPa, megapascal 1*10 6 1 10 9.87 7.5*10 3 10 5 10 2 10.2
bar 10 5 10 -1 1 0.987 750 1.0197*10 4 10.197 1.0197
atm, atmosphere 1.01*10 5 1.01* 10 -1 1.013 1 759.9 10332 10.332 1.03
mmHg Art., mm of mercury 133.3 133.3*10 -6 1.33*10 -3 1.32*10 -3 1 13.3 0.013 1.36*10 -3
mm w.c., mm water column 10 10 -5 0.000097 9.87*10 -5 0.075 1 0.001 1.02*10 -4
m w.st., meter of water column 10 4 10 -2 0.097 9.87*10 -2 75 1000 1 0.102
kgf/cm 2, kilogram-force per square centimeter 9.8*10 4 9.8*10 -2 0.98 0.97 735 10000 10 1
47.8 4.78*10 -5 4.78*10 -4 4.72*10 -4 0.36 4.78 4.78 10 -3 4.88*10 -4
6894.76 6.89476*10 -3 0.069 0.068 51.7 689.7 0.690 0.07
Inches Hg / inches Hg 3377 3.377*10 -3 0.0338 0.033 25.33 337.7 0.337 0.034
Inches in.st. / inchesH2O 248.8 2.488*10 -2 2.49*10 -3 2.46*10 -3 1.87 24.88 0.0249 0.0025
Conversion table for pressure measurement units. Pa; MPa; bar; atm; mmHg.; mm H.S.; m w.st., kg/cm 2; psf; psi; inches Hg; inches h.st..
To convert pressure in units: In units:
psi pound square feet (psf) psi inch / pound square inches (psi) Inches Hg / inches Hg Inches in.st. / inchesH2O
Should be multiplied by:
Pa (N/m 2) - SI unit of pressure 0.021 1.450326*10 -4 2.96*10 -4 4.02*10 -3
MPa 2.1*10 4 1.450326*10 2 2.96*10 2 4.02*10 3
bar 2090 14.50 29.61 402
atm 2117.5 14.69 29.92 407
mmHg Art. 2.79 0.019 0.039 0.54
mm in.st. 0.209 1.45*10 -3 2.96*10 -3 0.04
m in.st. 209 1.45 2.96 40.2
kgf/cm 2 2049 14.21 29.03 394
psi pound square feet (psf) 1 0.0069 0.014 0.19
psi inch / pound square inches (psi) 144 1 2.04 27.7
Inches Hg / inches Hg 70.6 0.49 1 13.57
Inches in.st. / inchesH2O 5.2 0.036 0.074 1

Detailed list of pressure units, one pascal is:

  • 1 Pa (N/m 2) = 0.0000102 Atmosphere (metric)
  • 1 Pa (N/m2) = 0.0000099 Atmosphere (standard) = Standard atmosphere
  • 1 Pa (N/m2) = 0.00001 Bar / Bar
  • 1 Pa (N/m 2) = 10 Barad / Barad
  • 1 Pa (N/m2) = 0.0007501 Centimeters Hg. Art. (0°C)
  • 1 Pa (N/m2) = 0.0101974 Centimeters in. Art. (4°C)
  • 1 Pa (N/m2) = 10 Dyne/square centimeter
  • 1 Pa (N/m2) = 0.0003346 Foot of water (4 °C)
  • 1 Pa (N/m2) = 10 -9 Gigapascals
  • 1 Pa (N/m2) = 0.01
  • 1 Pa (N/m2) = 0.0002953 Dumov Hg. / Inch of mercury (0 °C)
  • 1 Pa (N/m2) = 0.0002961 InchHg. Art. / Inch of mercury (15.56 °C)
  • 1 Pa (N/m2) = 0.0040186 Dumov v.st. / Inch of water (15.56 °C)
  • 1 Pa (N/m 2) = 0.0040147 Dumov v.st. / Inch of water (4 °C)
  • 1 Pa (N/m 2) = 0.0000102 kgf/cm 2 / Kilogram force/centimetre 2
  • 1 Pa (N/m 2) = 0.0010197 kgf/dm 2 / Kilogram force/decimetre 2
  • 1 Pa (N/m2) = 0.101972 kgf/m2 / Kilogram force/meter 2
  • 1 Pa (N/m 2) = 10 -7 kgf/mm 2 / Kilogram force/millimeter 2
  • 1 Pa (N/m 2) = 10 -3 kPa
  • 1 Pa (N/m2) = 10 -7 Kilopound force/square inch
  • 1 Pa (N/m 2) = 10 -6 MPa
  • 1 Pa (N/m2) = 0.000102 Meters w.st. / Meter of water (4 °C)
  • 1 Pa (N/m2) = 10 Microbar / Microbar (barye, barrie)
  • 1 Pa (N/m2) = 7.50062 Microns Hg. / Micron of mercury (millitorr)
  • 1 Pa (N/m2) = 0.01 Millibar / Millibar
  • 1 Pa (N/m2) = 0.0075006 (0 °C)
  • 1 Pa (N/m2) = 0.10207 Millimeters w.st. / Millimeter of water (15.56 °C)
  • 1 Pa (N/m2) = 0.10197 Millimeters w.st. / Millimeter of water (4 °C)
  • 1 Pa (N/m 2) = 7.5006 Millitorr / Millitorr
  • 1 Pa (N/m2) = 1N/m2 / Newton/square meter
  • 1 Pa (N/m2) = 32.1507 Daily ounces/sq. inch / Ounce force (avdp)/square inch
  • 1 Pa (N/m2) = 0.0208854 Pounds of force per square meter. ft / Pound force/square foot
  • 1 Pa (N/m2) = 0.000145 Pounds of force per square meter. inch / Pound force/square inch
  • 1 Pa (N/m2) = 0.671969 Poundals per sq. ft / Poundal/square foot
  • 1 Pa (N/m2) = 0.0046665 Poundals per sq. inch / Poundal/square inch
  • 1 Pa (N/m2) = 0.0000093 Long tons per square meter. ft / Ton (long)/foot 2
  • 1 Pa (N/m2) = 10 -7 Long tons per square meter. inch / Ton (long)/inch 2
  • 1 Pa (N/m2) = 0.0000104 Short tons per square meter. ft / Ton (short)/foot 2
  • 1 Pa (N/m2) = 10 -7 Tons per sq. inch / Ton/inch 2
  • 1 Pa (N/m2) = 0.0075006 Torr / Torr
  • pressure in pascals and atmospheres, convert pressure to pascals
  • atmospheric pressure is equal to XXX mmHg. express it in pascals
  • gas pressure units - translation
  • fluid pressure units - translation