Kilopascal to PSI Converter for Tyres, Water Pumps & RO Systems

Convert kilopascals to PSI instantly with our free online tool. Ideal for car and two-wheeler tyre checks, RO purifier feed pressure, and geyser ratings across Indian homes. Accurate kPa to PSI results.

Online Pressure Converter - Bar to PSI, kPa & More
1 kpa = 0.1450376808 psi

The quick answer for 1 Kilopascal — type any value below for the exact result

kpa

Kilopascal

psi

PSI

Kilopascal to PSI Conversion Formula

To convert kilopascals to PSI, multiply the kPa value by 0.145038. One kilopascal equals 1,000 pascals and one PSI equals 6,894.76 pascals.

1 kpa = 0.1450376808 psi

Kilopascal and PSI Explained

Kilopascal (kpa)

The kilopascal (kPa) is the SI pressure unit equal to 1,000 pascals — a thousand newtons of force over one square metre. Everyday pressures land in tidy hundreds under it: sea-level air at 101.325 kPa, car tyres at 220 kPa, geyser feeds near 400 kPa. The unit chains cleanly through the metric system, with 100 kPa making one bar and 1,000 kPa making one megapascal, so a single reading serves plumbing, weather, and hydraulic contexts alike.

Where it is used: Kilopascals anchor Indian Standard (IS) plumbing documents, engineering college lab records, imported gauge faces, and weather charts from the India Meteorological Department.

Origin: The prefix kilo attached to the pascal after the unit became the SI pressure standard in 1971, filling the gap between raw pascals and industrial megapascals.

PSI (psi)

PSI (pound-force per square inch) is the imperial pressure unit: one pound of force pressing on one square inch. It equals 6,894.76 pascals, or 6.89476 kPa. Despite India's official metrication, PSI dominates everyday hardware — car tyres 32-36 PSI, two-wheeler tyres 29-41 PSI, and garage compressors 90-120 PSI — which keeps the unit entrenched across puncture shops, air stations, and appliance manuals.

Where it is used: PSI is the default reading on Indian puncture-shop gauges, petrol-pump tyre inflators, compressor manuals, and RO purifier datasheets.

Origin: Rooted in 19th-century British engineering that paired the pound-force with the square inch, the unit arrived with the railways and workshops of colonial India and still thrives at every roadside puncture shop.

Kilopascal to PSI Conversion Table

Kilopascal (kpa) PSI (psi)
1 kpa 0.1450376808 psi
2 kpa 0.2900753616 psi
5 kpa 0.7251884039 psi
10 kpa 1.4503768079 psi
20 kpa 2.9007536158 psi
50 kpa 7.2518840395 psi
70 kpa 10.1526376553 psi
100 kpa 14.5037680789 psi
101.325 kpa 14.695943006 psi
150 kpa 21.7556521184 psi
200 kpa 29.0075361579 psi
220 kpa 31.9082897737 psi
250 kpa 36.2594201974 psi
300 kpa 43.5113042368 psi
350 kpa 50.7631882763 psi
400 kpa 58.0150723158 psi
450 kpa 65.2669563553 psi
500 kpa 72.5188403947 psi
600 kpa 87.0226084737 psi
700 kpa 101.5263765526 psi

PSI to Kilopascal Conversion Table

PSI (psi) Kilopascal (kpa)
1 psi 6.89476 kpa
5 psi 34.4738 kpa
10 psi 68.9476 kpa
14.5 psi 99.97402 kpa
20 psi 137.8952 kpa
25 psi 172.369 kpa
30 psi 206.8428 kpa
32 psi 220.63232 kpa
35 psi 241.3166 kpa
36 psi 248.21136 kpa
40 psi 275.7904 kpa
50 psi 344.738 kpa
60 psi 413.6856 kpa
80 psi 551.5808 kpa

Kilopascal to PSI in Everyday Objects

Common real-world examples that make Kilopascal and PSI easy to picture at a glance.

  Kilopascal (kpa) PSI (psi)
A municipal water tap in Delhi 450 kpa 65.2669563553 psi
A petrol-pump air station 220 kpa 31.9082897737 psi
A farm drip-irrigation line 300 kpa 43.5113042368 psi
A puncture-shop compressor 600 kpa 87.0226084737 psi
A home RO purifier feed 400 kpa 58.0150723158 psi
A fire-sprinkler riser in a Mumbai high-rise 700 kpa 101.5263765526 psi

When You Need Kilopascal to PSI Conversions

Home Water Pressure Tests

A test gauge fitted at the washing-machine inlet in a Bengaluru flat reads 200 kPa; enter it to get 29.0 PSI and compare with the geyser's 6 bar (87 PSI) rating.

RO Purifier Installations

An RO membrane datasheet asks for a 40-80 PSI feed; your imported gauge shows 276 kPa, which converts to 40.0 PSI — just enough for proper flow through the purifier.

Tyre Pressure Before a Highway Run

The placard inside your Swift's door lists 220 kPa, but the petrol-pump air gun reads PSI — 220 kPa converts to 31.9 PSI, so do the needful before the 148 km Mumbai-Pune drive.

Garage Compressor Setup

A puncture-shop compressor cuts out at 120 PSI; verify the imported pressure switch marked in kPa matches 827.4 kPa before you trust the setting.

How to Use

  1. 1

    Enter kPa Value

    Type the kilopascal reading — typical entries include car tyre placards (220-240 kPa), two-wheeler tyres (200-290 kPa), and sea-level air (about 101 kPa)

  2. 2

    View PSI Result

    The PSI equivalent appears instantly. For example, 220 kPa converts to 31.9 PSI — matching what the gauge shows at the petrol-pump air station

  3. 3

    Copy or Swap

    Copy the result or click Swap to convert PSI back to kilopascals — useful when the manual quotes PSI and your imported gauge reads kPa

  4. 4

    Check Against Rated Limits

    Compare with Indian norms: most storage geysers are rated 6 bar (600 kPa, about 87 PSI), while municipal lines usually sit near 2-3 bar; fit a pressure-reducing valve if your reading approaches the rating

Why Use Be Converter?

Instant Conversion

Get precise kPa to PSI results in real-time as you type — handy at the puncture shop when the air gun reads PSI but your car manual lists kPa

High Accuracy

Uses the exact international standard: 1 kPa = 1,000 Pa and 1 PSI = 6,894.76 Pa, accurate to 6 decimal places

Conversion Table

Quick reference with everyday Indian values like 220 kPa (31.9 PSI) for car tyres, 300 kPa (43.5 PSI) for booster-fed lines, and 700 kPa (101.5 PSI) for workshop compressors

Bidirectional

Easily swap between kilopascals and PSI with one click — useful when manuals list kPa but garage gauges read PSI

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Frequently Asked Questions

How many PSI is 1 kPa?
1 kPa equals 0.145038 PSI. Scaling up, 100 kPa = 14.5 PSI and 1,000 kPa = 145.0 PSI, which is why metric gauges climb about seven times faster than PSI dials.
What is 220 kPa in PSI?
220 kPa × 0.145038 = 31.9 PSI — the figure printed on the tyre placard of most Indian hatchbacks such as the Maruti Swift and Hyundai i20, which puncture shops quote as roughly 32 PSI.
What is the difference between kPa and PSI?
The kilopascal is the SI metric pressure unit used in Indian engineering courses, IS codes, and imported instruments, while PSI is the imperial unit familiar from puncture-shop air lines and older appliance manuals. They describe identical physics with different scaling: 1 PSI = 6.89476 kPa.
How do I convert water pressure from kPa to PSI?
Multiply kPa by 0.145038. A municipal tap delivering 200 kPa equals 29.0 PSI, a booster pump set to 300 kPa equals 43.5 PSI, and a drip line regulated to 150 kPa equals 21.8 PSI for vegetable beds.
How many kPa are in 1 PSI?
6.89476 kPa per PSI — the exact inverse of the 0.145038 forward factor. So a 50 PSI system pressure is 344.7 kPa, and a 90 PSI garage compressor cutout is 620.5 kPa.
How many PSI is 300 kPa?
300 kPa × 0.145038 = 43.5 PSI. That is a typical booster-pump setting in apartment societies or a strong municipal supply — roughly 3 bar — comfortably within most Indian tap and geyser ratings.
What is normal house water pressure?
Most Indian municipal connections deliver 1-2 bar (100-200 kPa, or about 14.5-29 PSI), which is why booster pumps are common in flats across Mumbai, Delhi and Bengaluru. High-rise societies often push 2-3 bar (29-43.5 PSI) to upper floors; above 4 bar (58 PSI) a pressure-reducing valve protects geysers and mixer taps.
How do I estimate kPa to PSI without a calculator?
Divide kPa by 7: 220 ÷ 7 ≈ 31.4, close to the exact 31.9 PSI your puncture shop will show. The shortcut works because 1 PSI = 6.89476 kPa; switch to the precise 0.145038 factor for documentation.

About Kilopascal to PSI Converter

Our free online kilopascal to PSI converter translates metric pressure readings into the PSI figures Indian puncture shops, petrol-pump air stations, and appliance manuals actually use. Whether you are checking car tyre pressures before a Mumbai-Pune Expressway run, setting the feed pressure on an RO purifier, matching a geyser's 6 bar rating, or reading an imported gauge on a borewell pump, this tool delivers the exact equivalent. Kilopascals appear on IS-code documents, engineering datasheets, and imported instruments, while PSI rules the air hose at every roadside puncture shop. Our converter applies the exact factor where 1 kPa equals 0.145038 PSI, keeping lakhs of conversions error-free.

Expert Tips for Kilopascal to PSI Conversion

1

Water-pressure anchors: 300 kPa = 43.5 PSI (drip irrigation), 450 kPa = 65.3 PSI (typical municipal supply), 550 kPa = 79.8 PSI (right at the 80 PSI code ceiling)

2

Canadian tire stickers print 220-240 kPa — that is 31.9-34.8 PSI, matching the 32-35 PSI on the same car sold in the United States

3

Boiler and heating loops: a 150 kPa fill is 21.8 PSI, while 200 kPa is 29.0 PSI; most residential relief valves open near 210 kPa (30.5 PSI)

4

For field estimates divide kPa by 7 and add 2 percent; for anything recorded on paper use the exact 0.145038 factor instead

5

Pneumatic maintenance gauges often show pressure drop in kPa — a 70 kPa filter drop (10.2 PSI) is the usual trigger to replace the element