Convert Pascal to Kilopascal
1 pascal = 0.001 kilopascal (kPa). For example, 10 pascal = 0.01 kilopascal and 100 pascal = 0.1 kilopascal. Type any value below to convert pascal to kilopascal both ways — it runs entirely in your browser.
Quick answer: Pascal to Kilopascal
1 Pascal = 0.001 Kilopascal (Pa → kPa). To convert pascal to kilopascal, multiply by 0.001. To convert kilopascal to pascal, multiply by 1,000. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common pascal-to-kilopascal questions.
How to convert Pascal to Kilopascal
To convert pascal to kilopascal, multiply the number of pascal by the conversion factor 0.001, because 1 Pa = 0.001 kPa. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 kPa = 1,000 Pa, so you divide by 0.001 (or multiply by 1,000) to turn kilopascal back into pascal.
kPa = Pa × 0.001 ·
Pa = kPa × 1,000
- Write down the value you want to convert, in pascal.
- Multiply it by 0.001.
- The result is the same area/length/quantity expressed in kilopascal.
Pascal to Kilopascal — worked examples
Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 pascal is 0.005 kilopascal because 5 Pa × 0.001 = 0.005 kPa.
| Pascal | Calculation | Kilopascal |
|---|---|---|
| 1 Pa | 1 Pa × 0.001 = 0.001 kPa | 0.001 kPa |
| 2 Pa | 2 Pa × 0.001 = 0.002 kPa | 0.002 kPa |
| 3 Pa | 3 Pa × 0.001 = 0.003 kPa | 0.003 kPa |
| 5 Pa | 5 Pa × 0.001 = 0.005 kPa | 0.005 kPa |
| 7 Pa | 7 Pa × 0.001 = 0.007 kPa | 0.007 kPa |
| 10 Pa | 10 Pa × 0.001 = 0.01 kPa | 0.01 kPa |
| 12 Pa | 12 Pa × 0.001 = 0.012 kPa | 0.012 kPa |
| 15 Pa | 15 Pa × 0.001 = 0.015 kPa | 0.015 kPa |
| 20 Pa | 20 Pa × 0.001 = 0.02 kPa | 0.02 kPa |
| 25 Pa | 25 Pa × 0.001 = 0.025 kPa | 0.025 kPa |
| 50 Pa | 50 Pa × 0.001 = 0.05 kPa | 0.05 kPa |
| 100 Pa | 100 Pa × 0.001 = 0.1 kPa | 0.1 kPa |
Common Pascal to Kilopascal conversions
These are the pascal-to-kilopascal values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:
- 1 pascal = 0.001 kilopascal
- 2 pascal = 0.002 kilopascal
- 2.5 pascal = 0.0025 kilopascal
- 3 pascal = 0.003 kilopascal
- 4 pascal = 0.004 kilopascal
- 5 pascal = 0.005 kilopascal
- 6 pascal = 0.006 kilopascal
- 7 pascal = 0.007 kilopascal
- 8 pascal = 0.008 kilopascal
- 9 pascal = 0.009 kilopascal
- 10 pascal = 0.01 kilopascal
- 12 pascal = 0.012 kilopascal
- 15 pascal = 0.015 kilopascal
- 20 pascal = 0.02 kilopascal
- 25 pascal = 0.025 kilopascal
- 30 pascal = 0.03 kilopascal
- 50 pascal = 0.05 kilopascal
- 75 pascal = 0.075 kilopascal
- 100 pascal = 0.1 kilopascal
- 200 pascal = 0.2 kilopascal
- 500 pascal = 0.5 kilopascal
- 1000 pascal = 1 kilopascal
Pascal to Kilopascal conversion chart (both directions)
The chart below converts pascal to kilopascal and kilopascal to pascal side by side, so it works whichever way you need. 1 pascal = 0.001 kilopascal, and 1 kilopascal = 1,000 pascal.
| Pascal → Kilopascal | Kilopascal → Pascal |
|---|---|
| 0.25 Pa = 0.00025 kPa | 0.25 kPa = 250 Pa |
| 0.5 Pa = 0.0005 kPa | 0.5 kPa = 500 Pa |
| 1 Pa = 0.001 kPa | 1 kPa = 1,000 Pa |
| 2 Pa = 0.002 kPa | 2 kPa = 2,000 Pa |
| 3 Pa = 0.003 kPa | 3 kPa = 3,000 Pa |
| 4 Pa = 0.004 kPa | 4 kPa = 4,000 Pa |
| 5 Pa = 0.005 kPa | 5 kPa = 5,000 Pa |
| 6 Pa = 0.006 kPa | 6 kPa = 6,000 Pa |
| 7 Pa = 0.007 kPa | 7 kPa = 7,000 Pa |
| 8 Pa = 0.008 kPa | 8 kPa = 8,000 Pa |
| 9 Pa = 0.009 kPa | 9 kPa = 9,000 Pa |
| 10 Pa = 0.01 kPa | 10 kPa = 10,000 Pa |
| 12 Pa = 0.012 kPa | 12 kPa = 12,000 Pa |
| 15 Pa = 0.015 kPa | 15 kPa = 15,000 Pa |
| 20 Pa = 0.02 kPa | 20 kPa = 20,000 Pa |
| 25 Pa = 0.025 kPa | 25 kPa = 25,000 Pa |
| 30 Pa = 0.03 kPa | 30 kPa = 30,000 Pa |
| 40 Pa = 0.04 kPa | 40 kPa = 40,000 Pa |
| 50 Pa = 0.05 kPa | 50 kPa = 50,000 Pa |
| 75 Pa = 0.075 kPa | 75 kPa = 75,000 Pa |
| 100 Pa = 0.1 kPa | 100 kPa = 100,000 Pa |
| 150 Pa = 0.15 kPa | 150 kPa = 150,000 Pa |
| 200 Pa = 0.2 kPa | 200 kPa = 200,000 Pa |
| 250 Pa = 0.25 kPa | 250 kPa = 250,000 Pa |
| 500 Pa = 0.5 kPa | 500 kPa = 500,000 Pa |
| 1000 Pa = 1 kPa | 1000 kPa = 1,000,000 Pa |
Pascal vs Kilopascal: which is bigger?
A kilopascal is the larger unit: one kilopascal equals 1,000 pascals. Put another way, you need 1,000 pascals to make a single kilopascal.
What is a Pascal? History, origin and usage
The pascal is named after Blaise Pascal, who in 1648 had his brother-in-law carry a mercury barometer up the Puy de Dôme in central France and watch the mercury column fall as he climbed. That experiment showed air has weight and that the pressure it exerts drops with height. The unit itself is much younger: the name was adopted by the General Conference on Weights and Measures in 1971, replacing the older habit of writing pressures as "newtons per square metre".
The pascal is the SI unit of pressure and the base every other unit on this page is defined against. On its own it is awkwardly small for daily life — a sheet of paper resting on a table presses down with only a few pascals — so real-world figures are almost always given with a prefix: hectopascals for weather, kilopascals for tyres and gas, megapascals for concrete and hydraulics.
One pascal is one newton spread over one square metre, which is about the pressure of a five-rupee coin lying flat on a table. Because pressure is force divided by area, the same push concentrated into a smaller area gives a much higher pressure — which is why a drawing pin goes into a wall and your thumb does not.
What is a Kilopascal? History, origin and usage
The kilopascal came into general use as countries converted their engineering standards to SI through the 1970s and 1980s. Canada, Australia and much of Europe moved tyre-pressure labels and gas-cylinder markings to kPa in that period, which is why a car built for one market often carries a door sticker in kPa and one built for another carries the same number in psi or bar.
Kilopascals are the workaday metric pressure unit: tyre pressures, medical gas supplies, water systems, ventilation and most mechanical engineering specifications. A car tyre is typically inflated to somewhere around 200 to 250 kPa.
One kilopascal is 1,000 pascals, and 100 kilopascals is very nearly one atmosphere — which is a useful mental shortcut, though the exact figure is 101.325 kPa, not 100.
Convert 1 Pascal to other units
It can help to see a pascal next to the other units it is commonly compared with. One pascal (Pa) is equal to:
| 1 Pascal equals | Unit |
|---|---|
| 0.01 hPa | Hectopascal |
| 0.001 kPa | Kilopascal |
| 0.000001 MPa | Megapascal |
| 0.01 mbar | Millibar |
| 0.00001 bar | Bar |
| 0.000009869233 atm | Standard atmosphere |
| 0.007500617 Torr | Torr |
| 0.007500616 mmHg | Millimetre of mercury |
| 0.0002952998 inHg | Inch of mercury |
| 0.1019716 mmH₂O | Millimetre of water |
| 0.004014631 inH₂O | Inch of water |
| 0.0001450377 psi | Pound per square inch |
| 0.00001019716 kgf/cm² | Kilogram-force per square centimetre |
Convert 1 Kilopascal to other units
One kilopascal (kPa) is equal to:
| 1 Kilopascal equals | Unit |
|---|---|
| 1,000 Pa | Pascal |
| 10 hPa | Hectopascal |
| 0.001 MPa | Megapascal |
| 10 mbar | Millibar |
| 0.01 bar | Bar |
| 0.009869233 atm | Standard atmosphere |
| 7.500617 Torr | Torr |
| 7.500616 mmHg | Millimetre of mercury |
| 0.2952998 inHg | Inch of mercury |
| 101.9716 mmH₂O | Millimetre of water |
| 4.014631 inH₂O | Inch of water |
| 0.1450377 psi | Pound per square inch |
| 0.01019716 kgf/cm² | Kilogram-force per square centimetre |
Tips for converting Pascal to Kilopascal
- To go from pascal to kilopascal, multiply by 0.001; to go back, divide by 0.001 (or multiply by 1,000).
- For a quick mental estimate, remember that 1 pascal ≈ 0.001 kilopascal, so 10 pascal ≈ 0.01 kilopascal.
- The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
- Both fields update live as you type — change either side to convert in that direction.
How to use this Pascal to Kilopascal converter
Type a number into the Pascal field and the equivalent in Kilopascal appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Kilopascal field to convert the other way (kilopascal to pascal). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.
Accuracy and method
Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 Pa = 0.001 kPa), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for pascal-to-kilopascal conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.
Sources
- BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.
- NIST — Definitions of the SI base units — the US National Institute of Standards and Technology reference for the SI base units, used here as an independent cross-check on the base-unit definition.
Pressure factors here come from fixed definitions, anchored to the pascal: a bar is exactly 100,000 Pa, one atmosphere is exactly 101,325 Pa, a torr is exactly a 760th of an atmosphere, and psi is built from the exact pound and the exact inch. Two of them — psi and the torr — work out to decimals that repeat forever, so where a number is shown rounded it is marked, not quietly trimmed.
Frequently asked questions
- How many kilopascal are in 1 pascal?
- 1 pascal = 0.001 kilopascal (kPa). To convert any number of pascal to kilopascal, multiply by 0.001.
- How do I convert pascal to kilopascal?
- Multiply the number of pascal by 0.001. For example, 10 pascal = 10 × 0.001 = 0.01 kilopascal, and 25 pascal = 0.025 kilopascal.
- How many pascal are in 1 kilopascal?
- 1 kilopascal = 1,000 pascal. So to convert kilopascal back to pascal, multiply by 1,000.
- What is the formula to convert pascal to kilopascal?
- kilopascal = pascal × 0.001. The reverse formula is pascal = kilopascal × 1,000.
- How much is 100 pascal in kilopascal?
- 100 pascal = 0.1 kilopascal. (And 1000 pascal = 1 kilopascal.)
- Which is bigger, a pascal or a kilopascal?
- A kilopascal is larger: 1 kilopascal = 1,000 pascal.
- Is this pascal to kilopascal converter accurate?
- Yes — every value is computed from the exact 0.001 kPa per Pa factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
- Can I convert kilopascal to pascal too?
- Yes. The converter works both ways — enter a value in either field. 1 kilopascal = 1,000 pascal.