Kilopascal To Torr Converter

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ConvertReference Technical Standards Team

All values and formulas are validated through our editorial review process and cross-checked against internationally recognized reference standards (NIST, BIPM, CODATA).

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Last reviewed: December 08, 2025

Conversion Factors

1 kilopascal = 7.5006168270417 torr
1 torr = 0.133322368421053 kilopascal

(Exact factors: 7.5006168270417 and 0.133322368421053)

Sources: NIST · BIPM

About This Kilopascal And Torr Converter

Convert between kilopascals and torr with ease. See the corresponding value in torr for any kilopascal reference. Use the swap button to switch between units. It's fast, clear, and ready for quick pressure checks.

What Are Kilopascals And Torrs?

What Is A Kilopascal?

Kilopascal (kPa) is a unit of pressure in the SI system. It equals 1000 pascals (1 kPa = 1000 N/m^2). The pascal is a derived SI unit. Common symbol: kPa. Real-world example: a car tire pressure is typically about 250–300 kPa, and standard atmospheric pressure is ~101 kPa.

What Is A Torr?

A torr is a non-SI unit of pressure defined as 1 millimeter of mercury (1 mmHg) at 0 °C. It equals 101325 Pa / 760 ≈ 133.322 Pa. System: a pressure unit (not SI, but accepted with SI). Symbol: torr. Relationship: 1 atm = 760 torr. Real-world example: standard atmospheric pressure at sea level is about 760 torr.

When To Use Kilopascal Vs Torr

Kilopascal Usage

Kilopascal (kPa) is the standard pressure unit in many SI-using countries. It appears in weather data, consumer devices, health measurements, and scientific contexts. Primary users include Canada, the United Kingdom, Germany, and Australia.

Torr Usage

Used in science and medicine to express pressure relative to a vacuum, often in laboratory and research settings. Torr is used in the United States, Germany, Japan, and India.

How To Convert Between Kilopascals And Torrs

Conversion Formulas

Kilopascal to Torr:
kilopascal × 7.5006168270417 = torr

Torr to Kilopascal:
torr × 0.133322368421053 = kilopascal

Step-by-Step Guide

Kilopascal to Torr

Take your value in kilopascals.
Multiply by 7.5006168270417.
The result is in torrs.

Torr to Kilopascal

Take your value in torrs.
Multiply by 0.133322368421053.
The result is in kilopascals.

Example: Convert 0.05 kilopascals to torrs.

Exact: 0.05 × 7.5006168270417 = 0.375030841352085 torrs.
Rounded: approximately 0.375031 torrs.

Example: Convert 5 torrs to kilopascals.

Exact: 5 × 0.133322368421053 = 0.666611842105263 kilopascals.
Rounded: approximately 0.666612 kilopascals.

History & Context

Kilopascal and torr are units of pressure with long histories. The kilopascal is part of the metric system and comes from the pascal, named after Blaise Pascal, a scientist who studied how pressure spreads in liquids and air. The prefix kilo adds a larger value on the same scale. The torr is named after Evangelista Torricelli, who built experiments with a glass tube and mercury to study air pressure, helping scientists measure pressure before modern standards. Torricelli's work gave a practical unit used in weather, physics, and industry for many years. The kilopascal and the torr show how science turned air and force into standard measures.

Practical Use

When engineers evaluate a hydraulic braking system, they may need to convert kilopascals to torr to compare modern metric readings with older specifications that use torr. In vacuum chambers or thin-film processes, technicians often read pressure in torr and convert to kilopascals to ensure equipment settings match SI-based manuals. A quick online converter page makes these two-way conversions fast for engineers and technicians who juggle both unit systems. This helps ensure consistency in documentation, safety limits, and performance data across different teams.

Common Mistakes When Converting Between Kilopascals And Torrs

Treating kilopascals and torr as the same unit.
Using non-torr pressure units as if they were torr.
Assuming a direct one-to-one conversion between kPa and torr without understanding the unit relationship.
Relying on rough estimates instead of performing proper unit-aware conversions.

Mental Shortcuts For Quick Conversions

kPa→Torr: multiply by 7.5 (1 kPa ≈ 7.5 Torr). Torr→kPa: divide by 7.5 (1 Torr ≈ 0.133 kPa). Note: these are rough estimates; use a precise converter in most situations.

Kilopascals And Torrs Conversion Graph

Conversion Table For Kilopascal And Torr

Common conversion values
Kilopascals	Torrs
0.01	0.0750062
0.05	0.375031
0.1	0.750062
0.2	1.50012
0.5	3.75031
1	7.50062
2	15.0012
5	37.5031
10	75.0062
20	150.012

Values are rounded for display; internal calculations use the exact conversion factors between kilopascal and torr (7.5006168270417 and 0.133322368421053).

Dataset & API Access

Programmatic Access

Free JSON API with stable endpoints and predictable keys for automated bidirectional conversions.

Endpoint: https://convertreference.org/api/v1/convert/kilopascal-to-torr.json

Content Type: application/json

Documentation: View API docs

Licensing

License: CC0 1.0 Universal (Public Domain)

See all datasets

Data & Editorial Process

All numerical values and formulas are generated from the Pint scientific unit library (v0.25), using constants consistent with the BIPM SI Brochure (9th Edition) and NIST Special Publication 811. Explanatory text is drafted with AI assistance and reviewed by ConvertReference editors for clarity and accuracy. This converter is completely free to use, and all calculations are performed locally in your browser and never sent to a server.

2025-12-08 – Generated: Page created using Pint v0.25 verified constants.
2025-12-08 – Reviewed: Verified by ConvertReference editors; no numerical changes required.

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