PSI to Kilopascal Converter

Convert PSI to kilopascals instantly with our free online tool. Perfect for Canadian tire stickers, engineering datasheets, and hydrostatic tests. Accurate PSI to kPa results.

Pressure Converter
1 psi = 6.89476 kpa

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

psi

PSI

kpa

Kilopascal

PSI to Kilopascal Conversion Formula

To convert PSI to kilopascals, multiply the PSI value by 6.89476. One PSI equals 6,894.76 pascals and one kilopascal equals 1,000 pascals.

1 psi = 6.89476 kpa

PSI and Kilopascal Explained

PSI (psi)

PSI (pound-force per square inch) is the imperial pressure unit expressing one pound of force applied to one square inch. In SI terms it equals 6,894.76 pascals, or 6.89476 kilopascals. The unit scales so conveniently for American hardware that it persists across tire gauges, compressor regulators, and plumbing codes: a car tire sits near 32 PSI, a shop compressor near 90 PSI, and a hydraulic hose may carry 3,000 PSI. Readings labeled PSIG are gauge values measured above local atmosphere.

Where it is used: PSI is the working pressure unit of the United States — automotive, plumbing, compressed-air, and pressure-washer equipment all quote it.

Origin: The unit comes from 19th-century British engineering, combining the imperial pound-force with the square inch, and it remains entrenched in US customary practice.

Kilopascal (kpa)

The kilopascal (kPa) is 1,000 pascals — a thousand newtons of force per square meter — and the most practical SI pressure unit for everyday magnitudes. Familiar pressures land in comfortable hundreds: car tires near 220 kPa, residential water around 450 kPa, and standard sea-level air at 101.325 kPa. Higher domains use its siblings, with 1,000 kPa making one megapascal and 100 kPa making one bar, so metric documentation slides between prefixes without awkward decimals.

Where it is used: Kilopascals appear on Canadian tire stickers and weather reports, in SI engineering datasheets, building codes, and medical device specifications.

Origin: The prefix kilo joined the pascal after the unit entered the SI in 1971, quickly becoming the default for pressures too large for raw pascals but too small for megapascals.

PSI to Kilopascal Conversion Table

PSI (psi) Kilopascal (kpa)
1 psi 6.89476 kpa
2 psi 13.78952 kpa
5 psi 34.4738 kpa
10 psi 68.9476 kpa
14.7 psi 101.352972 kpa
15 psi 103.4214 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
100 psi 689.476 kpa
150 psi 1034.214 kpa
200 psi 1378.952 kpa

Kilopascal to PSI Conversion Table

Kilopascal (kpa) PSI (psi)
10 kpa 1.4503768079 psi
20 kpa 2.9007536158 psi
50 kpa 7.2518840395 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
300 kpa 43.5113042368 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 in Everyday Objects

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

  PSI (psi) Kilopascal (kpa)
A compact spare tire 60 psi 413.6856 kpa
A light-truck tire 55 psi 379.2118 kpa
A portable inflator preset 36 psi 248.21136 kpa
A fire-line hydrotest 200 psi 1378.952 kpa
A road-race tire 50 psi 344.738 kpa
An entry pressure washer 1450 psi 9997.402 kpa

When You Need PSI to Kilopascal Conversions

Canadian Tire Stickers

Your Ontario-bought sedan lists 220 kPa cold on the door jamb while the US station gauge reads PSI — enter 32 to confirm you are at 220.6 kPa.

Hydraulic Hose Datasheets

A hose stamped 3,000 PSI must slot into a metric procurement form: 3,000 PSI converts to 20,684.3 kPa, written 20.7 MPa by the supplier.

Sprinkler System Hydrotests

A fire line held at 200 PSI for the two-hour test gets logged as 1,379.0 kPa on the municipality inspection sheet.

Turbo Boost Tuning

A shop raises boost from 8 PSI to 15 PSI and reports the change to the metric ECU tuner as 55.2 kPa to 103.4 kPa of manifold pressure.

How to Use

  1. 1

    Enter PSI Value

    Type the PSI reading from your gauge — common entries include car tires (30-36 PSI), bike tires (40-65 PSI), and shop compressors (90-175 PSI)

  2. 2

    View kPa Result

    The kilopascal equivalent appears instantly. For example, 35 PSI converts to about 241.3 kPa

  3. 3

    Copy or Swap

    Copy the result or click Swap to convert kilopascals back to PSI

  4. 4

    Match the Metric Sticker

    Canadian door jambs list 220-250 kPa — the same as 32-36 PSI — so compare your converted value before inflating

Why Use Be Converter?

Instant Conversion

Get precise PSI to kPa results in real-time as you type — perfect for translating US gauge readings into metric specs

High Accuracy

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

Conversion Table

Quick reference with common values like 32 PSI (220.6 kPa), 35 PSI (241.3 kPa), and 90 PSI (620.5 kPa)

Bidirectional

Easily swap between PSI and kilopascals with one click for reverse conversions

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Frequently Asked Questions

How many kPa is 1 PSI?
1 PSI equals 6.89476 kPa. So 30 PSI = 206.8 kPa and 40 PSI = 275.8 kPa, bracketing the 220-250 kPa range printed on Canadian tire stickers.
What is 32 PSI in kPa?
32 × 6.89476 = 220.632 kPa, which is why Canadian owner manuals print 220 kPa for the same 32 PSI cold tire pressure listed in US manuals.
What is the difference between PSI and kPa?
PSI (pounds per square inch) is the imperial unit used in the United States, while the kilopascal is the SI metric unit used in Canada and most engineering documentation. 1 kPa = 0.145038 PSI, so metric tire gauges climb about seven times faster than PSI dials.
How do I convert air compressor pressure from PSI to kPa?
Multiply PSI by 6.89476. A typical shop compressor at 90 PSI equals 620.5 kPa, a portable inflator at 120 PSI equals 827.4 kPa, and a two-stage unit at 175 PSI equals 1,206.6 kPa.
Is kPa the same as bar?
No. One bar equals exactly 100 kPa, or about 14.5 PSI. The kilopascal is the SI unit used in engineering and Canadian documentation, while bar is a non-SI metric unit common on European gauges. Your 32 PSI tire is 220.6 kPa but only 2.2 bar.
How many kPa is 40 PSI?
40 PSI × 6.89476 = 275.8 kPa. That is a typical full-size pickup or SUV tire pressure, right where TPMS sensors expect 250-280 kPa on metric vehicles.
Why does my Canadian tire gauge show kPa?
Canada adopted the metric system, so door-jamb stickers, manual specs, and many station gauges read in kilopascals. The gauges usually carry dual scales — 220 kPa lines up with 32 PSI on the outer ring.
What kPa should my passenger car tires be?
Most passenger cars specify 220-250 kPa cold (32-36 PSI). Check the sticker on the driver-side door jamb; for example, a car recommending 35 PSI needs 241.3 kPa on a metric gauge.

About PSI to Kilopascal Converter

Our free online PSI to kilopascal converter delivers instant, accurate translations between the US imperial pressure unit and the SI metric standard. Whether you are matching a Canadian door-jamb sticker, entering US gauge readings into an engineering datasheet, documenting a fire-line hydrostatic test, or comparing compressor output across metric and imperial manuals, this tool handles it precisely. PSI dominates American tire gauges and shop equipment, while kilopascals rule Canadian specifications and SI engineering documentation. Our converter applies the exact factor where 1 PSI equals 6.89476 kPa.

Expert Tips for PSI to Kilopascal Conversion

1

For quick tire work: 30 PSI ≈ 206.8 kPa, 32 PSI ≈ 220.6 kPa, 35 PSI ≈ 241.3 kPa, 36 PSI ≈ 248.2 kPa — the metric versions of the classic US pressures

2

Mental math shortcut: add half again plus a bit — 40 PSI is about 276 kPa (40 + 40 × 0.7). Exact factor is 6.89476 kPa per PSI

3

Hydraulic and hose ratings often jump scales: a 3,000 PSI hydraulic hose is 20,684.3 kPa, usually written 20.7 MPa on metric datasheets

4

Fire-sprinkler hydrostatic tests at 200 PSI must be logged as 1,379.0 kPa on municipal forms; rounding to 1,400 kPa is generally acceptable for field paperwork

5

Turbo boost gauges mix units too: 15 PSI of boost equals 103.4 kPa, useful when a US tune meets an ECU that logs in kilopascals