How do you convert kilopascals to millipascals?

To convert kilopascals (kPa) to millipascals (mPa), multiply the pressure in kilopascals by 1,000,000 (millipascals = kilopascals × 1,000,000).

What is 5 kilopascals in millipascals?

5 kilopascals (5 kPa) is equal to 5,000,000 millipascals (5,000,000 mPa).

Which is larger, 1 kilopascal (kPa) or 1 millipascal (mPa)?

One kilopascal (kPa) is larger than one millipascal (mPa). Specifically, 1 kPa contains 1,000,000 mPa, whereas 1 mPa is 0.000001 kPa.

How do I convert back from millipascals (mPa) to kilopascals (kPa)?

To reverse the calculation from mPa to kPa, multiply your millipascal value by the inverse factor 0.000001 (or divide by 1,000,000). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round kPa to mPa results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 5 kPa ≈ 5,000,000.00 mPa). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Kilopascals to Millipascals Converter

Enter the pressure in kilopascals below to convert it to millipascals.

Millipascals to Kilopascals (mPa → kPa)

Convert Kilopascals to Millipascals

Enter a value in kilopascals (kPa) to convert to millipascals (mPa).

Value (kPa)

From

Result

•

5,000,000millipascals

5 kPa = 5,000,000 mPa

Result updates automatically

Get Widget

Equivalent Measurements Across UnitsFor 5 kPa

Pascals5,000 Pa

Bars0.05 bar

PSI0.72519 psi

Atmospheres0.04935 atm

Suggested Conversions

Reference:NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))

[1–3] ↓

Kilopascal to Millipascal Conversion Table

Table showing various kilopascal measurements converted to millipascals. Click any preset value or arrow to load it into the converter.

Kilopascals (kPa)	Millipascals (mPa)
0.0000001 kPa	0.1 mPa
0.0000002 kPa	0.2 mPa
0.0000003 kPa	0.3 mPa
0.0000004 kPa	0.4 mPa
0.0000005 kPa	0.5 mPa
0.0000006 kPa	0.6 mPa
0.0000007 kPa	0.7 mPa
0.0000008 kPa	0.8 mPa
0.0000009 kPa	0.9 mPa
0.00000001 kPa	0.01 mPa

How to Convert Kilopascals to Millipascals

To convert kilopascals to millipascals, multiply the pressure by the following conversion ratio: 1,000,000 millipascals/kilopascal.

Since one kilopascal is equal to 1,000,000 millipascals, you can use this simple formula to convert:

millipascals = kilopascals × 1,000,000

The pressure in millipascals is equal to the pressure in kilopascals multiplied by 1,000,000.

For example, here's how to convert 5 kilopascals to millipascals using the formula above.

millipascals = (5 kPa × 1,000,000) = 5,000,000 mPa

How Many Millipascals Are in a Kilopascal?

There are 1,000,000 millipascals in a kilopascal, which is why we use this value in the formula above.

1 kPa = 1,000,000 mPa|1 mPa = 0.000001 kPa

Our kilopascal to millipascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Kilopascals and millipascals are both units used to measure pressure. Keep reading to learn more about each unit.

What Is a Kilopascal?

A kilopascal is a unit of pressure equal to 1,000 pascals (Pa), the base unit for pressure. Equal to 1,000 Pascals (1 kN/m²). [1]

The kilopascal is classified as a metric and SI-compatible unit of pressure. Kilopascals can be abbreviated as kPa; for example, 1 kilopascal can be written as 1 kPa.

In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopascal (kPa) a convenient decimal multiple of the pascal (Pa).

In practice, kilopascals (kPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about kilopascals in our Pressure Converter.

What Is a Millipascal?

A millipascal is a unit of pressure equal to 1/1,000 of a pascal (0.001 Pa). One-thousandth of a Pascal. [2]

The millipascal is classified as a metric and SI-compatible unit of pressure. Millipascals can be abbreviated as mPa; for example, 1 millipascal can be written as 1 mPa.

In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the millipascal (mPa) a convenient decimal multiple of the pascal (Pa).

In practice, millipascals (mPa) are widely used across fine-tolerance laboratory, analytical, and micro-scale pressure measurements within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about millipascals in our Pressure Converter.

When converting pressure between kilopascals (kPa) and millipascals (mPa), keep full floating-point precision (1 kPa = 1,000,000 mPa; 1 mPa = 0.000001 kPa) during intermediate calculations and round only the final millipascal figure to match your instrument tolerance.

More Kilopascal & Millipascal Conversions

Need to calculate in the opposite direction? Use our millipascals to kilopascals calculator to switch your starting unit immediately. You can also explore related tools such as converting millipascals to kilopascals, converting kilopascals to psi, or converting kilopascals to bars.

Convert from Kilopascals

Convert to Millipascals

Frequently Asked Questions

There are 1,000,000 millipascals (mPa) in 1 kilopascal (kPa). Conversely, 1 millipascal (mPa) is equal to 0.000001 kilopascals (kPa).

Pressure Converter

Quick Info

Direct Factor: 1 kilopascal (kPa) equals 1,000,000 millipascals (mPa).
Inverse Factor: 1 millipascal (mPa) equals 0.000001 kilopascals (kPa).
Formula: millipascals = kilopascals × 1,000,000.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Kilopascal (kPa)

Equal to 1,000 Pascals (1 kN/m²).

Millipascal (mPa)

One-thousandth of a Pascal.

Pascal (Pa)

SI derived unit of pressure equal to 1 Newton per square meter (N/m²).

References

[1]NIST SP 811 · NIST SP 811 App. B.9 (Pressure & Stress)
Source
[2]NIST CUU · Derived SI Unit: Pascal (Pa)
Source
[3]BIPM · SI Brochure (9th Ed.) — Mechanics
Source

Related Categories

Add This Calculator to Your Site

Free HTML widget · 4 embed formats

Embed the interactive Kilopascals to Millipascals converter on your blog, classroom, or documentation page.

Customize & Get Embed Code

References

NIST · BIPM · ISO

[1]
NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Kilopascals (kPa) to Millipascals (mPa)
NIST SP 811 Standard
[2]
NIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Kilopascal (kPa) & Millipascal (mPa)
NIST CUU Specification
[3]
BIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (kPa to mPa)
BIPM Reference

Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories

A–Z Directory →Sitemap

Common ConvertersEveryday metric, imperial, and US customary converters for length, weight, volume, temperature, area, pressure, energy, speed, time, and data.