How many psi is 1 kPa?

0.14503773773 psi, because a kilopascal is 1,000 pascals and a psi is 6,894.757293168 pascals to the thirteen figures this converter stores. The division scales the way you would expect: 10 kPa is 1.4503773773 psi, 50 kPa is 7.25188688651 psi, 100 kPa is 14.503773773 psi and 1,000 kPa is 145.03773773 psi. Type any of them in the From box and the headline updates as you type.

What is the formula for kPa to psi?

This converter uses psi = kPa × 1,000 / 6,894.757293168, with a thirteen-significant-digit rounded Pa-per-psi coefficient. A rounded reciprocal 0.14503773773 is only an approximation to this division. In reverse, kPa = psi × 6.894757293168: 30 psi displays as 206.842718795 kPa, 35 psi as 241.316505261 kPa and 100 psi as 689.475729317 kPa. Swap units reverses the pair while retaining the typed scalar.

Is the kPa to psi conversion exact?

The definition is exact, the decimal is not. A pound is exactly 0.45359237 kg and standard gravity is exactly 9.80665 m/s², so a pound-force is exactly 4.4482216152605 N, and an inch is exactly 0.0254 m, so a square inch is exactly 0.00064516 m². Divide one by the other and the answer runs on as 6,894.75729316836... Pa without terminating, which means every converter rounds somewhere. This one holds thirteen significant figures of the factor and displays twelve, one more digit than it shows, which is why 1 kPa reads 0.14503773773 psi rather than 0.145.

My tyre placard says 220 kPa. What is that in psi?

A supplied 220 kPa displays as 31.9083023006 psi. A supplied 32 psi displays as 220.632233381 kPa, about 0.63 kPa higher. The 220 kPa readout also shows exactly 2.2 bar plus the displayed 2.17123118678 atm. Those are unit conversions of stated quantities; they do not certify a placard, a gauge’s calibration or a recommended pressure. This converter preserves the supplied pressure reference and has no gauge-to-absolute mode. Gauge pressure is relative to a stated reference, while absolute pressure is relative to vacuum. To derive absolute pressure separately, supply the applicable ambient pressure and add it before converting. The standard atmosphere of 101.325 kPa is a defined unit; it does not establish current ambient pressure.

What is atmospheric pressure in kPa and psi?

One standard atmosphere is defined as exactly 101,325 pascals, which is 101.325 kPa and 14.6959487755 psi, the number usually quoted as 14.7 psi. Entering the rounded 14.6959487755 psi displays as 101.325 kPa at twelve significant digits; re-entering a rounded output supplies a new approximate quantity. One standard atmosphere does not establish current ambient pressure. You can also pick Atmosphere in the To box, or leave psi there and read the atm row under the answer, where 100 kPa shows as 0.986923266716 atm and as exactly 1 bar.

What other pressure units does it show at the same time?

Pascals, bars, atmospheres and psi together, because the converter works out the whole category at once rather than one target at a time. For 100 kPa that is 100,000 Pa, 1 bar, 14.503773773 psi and 0.986923266716 atm. Millimetres of mercury sit behind the Show 1 more switch in the readout and give 750.061575846 mmHg for the same 100 kPa. Conventional mmHg uses 133.322387415 Pa and differs from torr. Copy result copies the displayed headline without digit-grouping commas; each visible conversion row has its own Copy button. Displayed and copied values round to twelve significant digits. If native copying fails, a complete selectable summary identifies the input, selected pair and conventions and includes every unit in the category, including uncommon units.

Why does the page open on kPa and psi when I last converted something else?

This focused page opens on Kilopascal and Pound per square inch, while preserving the main converter’s saved unit pair. When storage is usable, a saved value and uncommon-unit preference can travel between pages. Its suffix must still match From. Valid deliberate scalar edits can save those fields after a short delay; invalid or incomplete drafts preserve the saved record. Unusable or conflicting records remain until you use Forget saved settings, which keeps the current conversion on screen. Your input and converted values are calculated in the browser and are not uploaded by the converter. The definitions arrive with the page, so conversion needs no external data lookup and keeps working offline after the page has loaded. The core conversion needs no account.

kPa to PSI Converter

A psi is one pound-force on a square inch and a kilopascal is a thousand newtons on a square metre, so kPa to psi is one division: psi = kPa × 1,000 / 6,894.757293168 using the converter’s rounded coefficient; a rounded reciprocal 0.14503773773 adds another approximation. The factor is defined rather than measured, because a pound is exactly 0.45359237 kg, standard gravity is exactly 9.80665 m/s² and an inch is exactly 0.0254 m, which makes the exact psi factor 0.45359237 × 9.80665 / 0.0254² Pa, approximately 6,894.75729316836... Pa, a figure whose decimal never ends. This converter keeps thirteen significant figures of it and prints twelve of the answer, so 1 kPa reads 0.14503773773 psi, 100 kPa reads 14.503773773 psi and 220 kPa reads 31.9083023006 psi. The page opens with kilopascals in the From box and psi in the To box, whatever pair you converted last, and lists the same pressure in pascals, bars and atmospheres under the answer, with millimetres of mercury behind the uncommon units switch.

From

To0.14503773773

Category: Pressure

Base unit: pascal

Uncommon units: Show 1 more

One standard atmosphere is 101,325 Pa. mmHg is the conventional 133.322387415 Pa, distinct from the torr (exactly 101,325/760 Pa). The psi coefficient is rounded to 6,894.757293168 Pa. Converting units preserves gauge or absolute reference; it does not add ambient pressure.

Results round to 12 significant digits using the listed unit definitions. Input must have a finite numeric magnitude and at most 512 significant digits. Type a single decimal or scientific number; a matching From unit suffix is accepted. Commas and grouped spaces separate thousands; decimal commas, fractions and compound measurements are refused.

1 kPa in every pressure unit

PascalPa
1,000
Barbar
0.01
Pound per square inchpsi
0.14503773773
Atmosphereatm
0.00986923266716

Selectable complete conversion

Unit Converter — Pressure
Input: 1 (Kilopascal, kPa)
Result: 0.14503773773 psi (Pound per square inch)
Displayed values round to 12 significant digits.
One standard atmosphere is 101,325 Pa. mmHg is the conventional 133.322387415 Pa, distinct from the torr (exactly 101,325/760 Pa). The psi coefficient is rounded to 6,894.757293168 Pa. Converting units preserves gauge or absolute reference; it does not add ambient pressure.
All other units:
Pascal (Pa): 1000
Bar (bar): 0.01
Pound per square inch (psi): 0.14503773773
Atmosphere (atm): 0.00986923266716
Millimeter of mercury (mmHg): 7.50061575846

Common questions

How many psi is 1 kPa?: 0.14503773773 psi, because a kilopascal is 1,000 pascals and a psi is 6,894.757293168 pascals to the thirteen figures this converter stores. The division scales the way you would expect: 10 kPa is 1.4503773773 psi, 50 kPa is 7.25188688651 psi, 100 kPa is 14.503773773 psi and 1,000 kPa is 145.03773773 psi. Type any of them in the From box and the headline updates as you type.
What is the formula for kPa to psi?: This converter uses psi = kPa × 1,000 / 6,894.757293168, with a thirteen-significant-digit rounded Pa-per-psi coefficient. A rounded reciprocal 0.14503773773 is only an approximation to this division. In reverse, kPa = psi × 6.894757293168: 30 psi displays as 206.842718795 kPa, 35 psi as 241.316505261 kPa and 100 psi as 689.475729317 kPa. Swap units reverses the pair while retaining the typed scalar.
Is the kPa to psi conversion exact?: The definition is exact, the decimal is not. A pound is exactly 0.45359237 kg and standard gravity is exactly 9.80665 m/s², so a pound-force is exactly 4.4482216152605 N, and an inch is exactly 0.0254 m, so a square inch is exactly 0.00064516 m². Divide one by the other and the answer runs on as 6,894.75729316836... Pa without terminating, which means every converter rounds somewhere. This one holds thirteen significant figures of the factor and displays twelve, one more digit than it shows, which is why 1 kPa reads 0.14503773773 psi rather than 0.145.
My tyre placard says 220 kPa. What is that in psi?: A supplied 220 kPa displays as 31.9083023006 psi. A supplied 32 psi displays as 220.632233381 kPa, about 0.63 kPa higher. The 220 kPa readout also shows exactly 2.2 bar plus the displayed 2.17123118678 atm. Those are unit conversions of stated quantities; they do not certify a placard, a gauge’s calibration or a recommended pressure. This converter preserves the supplied pressure reference and has no gauge-to-absolute mode. Gauge pressure is relative to a stated reference, while absolute pressure is relative to vacuum. To derive absolute pressure separately, supply the applicable ambient pressure and add it before converting. The standard atmosphere of 101.325 kPa is a defined unit; it does not establish current ambient pressure.
What is atmospheric pressure in kPa and psi?: One standard atmosphere is defined as exactly 101,325 pascals, which is 101.325 kPa and 14.6959487755 psi, the number usually quoted as 14.7 psi. Entering the rounded 14.6959487755 psi displays as 101.325 kPa at twelve significant digits; re-entering a rounded output supplies a new approximate quantity. One standard atmosphere does not establish current ambient pressure. You can also pick Atmosphere in the To box, or leave psi there and read the atm row under the answer, where 100 kPa shows as 0.986923266716 atm and as exactly 1 bar.
What other pressure units does it show at the same time?: Pascals, bars, atmospheres and psi together, because the converter works out the whole category at once rather than one target at a time. For 100 kPa that is 100,000 Pa, 1 bar, 14.503773773 psi and 0.986923266716 atm. Millimetres of mercury sit behind the Show 1 more switch in the readout and give 750.061575846 mmHg for the same 100 kPa. Conventional mmHg uses 133.322387415 Pa and differs from torr. Copy result copies the displayed headline without digit-grouping commas; each visible conversion row has its own Copy button. Displayed and copied values round to twelve significant digits. If native copying fails, a complete selectable summary identifies the input, selected pair and conventions and includes every unit in the category, including uncommon units.
Why does the page open on kPa and psi when I last converted something else?: This focused page opens on Kilopascal and Pound per square inch, while preserving the main converter’s saved unit pair. When storage is usable, a saved value and uncommon-unit preference can travel between pages. Its suffix must still match From. Valid deliberate scalar edits can save those fields after a short delay; invalid or incomplete drafts preserve the saved record. Unusable or conflicting records remain until you use Forget saved settings, which keeps the current conversion on screen. Your input and converted values are calculated in the browser and are not uploaded by the converter. The definitions arrive with the page, so conversion needs no external data lookup and keeps working offline after the page has loaded. The core conversion needs no account.

Results round to 12 significant digits using the listed unit conventions. Many factors are exact definitions; psi and parsec use rounded coefficients. Temperature includes scale offsets. Days and weeks are fixed-duration units, and unit conversion does not determine calendar dates, ambient pressure or a software label’s convention.