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Psi Converter

Convert Psi to Newton Square Millimeter and more • 57 conversions

Result

0

1 0
Conversion Formula
1 = ---
Quick Reference
1 = 1
10 = 10
50 = 50
100 = 100
500 = 500
1000 = 1000

Unit Explanations

Pounds per Square Inchpsi

Source Unit

Psi or 'pounds per square inch' is a unit used to measure pressure. It defines the pressure resulting from a force of one pound-force applied to an area of one square inch. As a non-SI unit, it is commonly used in the United States and other countries still employing the Imperial system. Psi is vital in various engineering and mechanical applications, providing a practical measure for pressure in car tires, hydraulic systems, and more. It offers a direct relationship to other pressure units through conversion factors.

1 psi = 1 lbf/in²

Current Use

Today, psi is extensively used in various fields, particularly in the United States. It is prevalent in automotive applications, where it measures tire pressure, ensuring safety and performance. Additionally, psi is crucial in aerospace, measuring cabin pressure and hydraulic systems. In industrial settings, it is used for pressure gauges, compressors, and pneumatic tools. Despite the global trend towards SI units, psi's practical relevance maintains its usage in specific regions and industries.

Fun Fact

Psi is still a preferred unit in U.S. automotive manuals.

Newton per Square MillimeterN/mm²

Target Unit

The newton per square millimeter (N/mm²) is a metric unit of pressure that measures the amount of force applied per unit area. It is derived from the SI unit of force, the newton (N), and the area unit, the square millimeter (mm²). One newton represents the force required to accelerate one kilogram of mass at a rate of one meter per second squared. The newton per square millimeter is often used in engineering and material science to express tensile strength, yield strength, and other mechanical properties of materials.

N/mm² = N / mm²

Current Use

Today, the newton per square millimeter is widely used in engineering, particularly in the fields of material science and structural engineering. It is common in specifications for materials, especially metals and polymers, to indicate their tensile strength and compressive strength. This unit is particularly useful in assessing the mechanical properties of materials used in construction, automotive, and aerospace industries, where precise measurements are critical for safety and performance.

Fun Fact

A newton per square millimeter is equivalent to 1 megapascal (MPa), which is a common unit in engineering.

Decimals:
Scientific:OFF

Result

0

1
0
Conversion Formula
1 = ...
1→1
10→10
100→100
1000→1000

📐Conversion Formula

= × 1.00000

How to Convert

To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.

Quick Examples

1
=
1.000
10
=
10.00
100
=
100.0

💡 Pro Tip: For the reverse conversion (), divide by the conversion factor instead of multiplying.

psi

Pounds per Square Inch

pressureNon-SI

Definition

Psi or 'pounds per square inch' is a unit used to measure pressure. It defines the pressure resulting from a force of one pound-force applied to an area of one square inch. As a non-SI unit, it is commonly used in the United States and other countries still employing the Imperial system. Psi is vital in various engineering and mechanical applications, providing a practical measure for pressure in car tires, hydraulic systems, and more. It offers a direct relationship to other pressure units through conversion factors.

History & Origin

The psi unit emerged from the need to measure pressure in the Imperial system, prevalent in the United States and other regions before the widespread adoption of the metric system. It is a derivative unit representing the pressure exerted by a force of one pound-force on a square inch of surface area. The concept of pressure measurement has evolved over time, with psi becoming a standard term in industries reliant on precise pressure control.

Etymology: The term 'psi' stands for 'pounds per square inch,' combining 'pound,' a unit of force, and 'square inch,' a unit of area.

1959: Adoption of psi as a standard ...

Current Use

Today, psi is extensively used in various fields, particularly in the United States. It is prevalent in automotive applications, where it measures tire pressure, ensuring safety and performance. Additionally, psi is crucial in aerospace, measuring cabin pressure and hydraulic systems. In industrial settings, it is used for pressure gauges, compressors, and pneumatic tools. Despite the global trend towards SI units, psi's practical relevance maintains its usage in specific regions and industries.

AutomotiveAerospaceManufacturing

💡 Fun Facts

  • Psi is still a preferred unit in U.S. automotive manuals.
  • Psi is used in the pressure ratings of paintball guns.
  • The average human bite exerts about 200 psi.

📏 Real-World Examples

32 psi
Car tire pressure
3000 psi
Hydraulic system pressure
15 psi
Pressure cooker operation
3000 psi
Scuba tank pressure
120 psi
Industrial air compressor

🔗 Related Units

Pascal (1 psi = 6894.76 pascals)Bar (1 psi = 0.0689476 bar)Atmosphere (1 psi = 0.068046 atmospheres)Torr (1 psi = 51.7149 torr)
N/mm²

Newton per Square Millimeter

pressureNon-SI

Definition

The newton per square millimeter (N/mm²) is a metric unit of pressure that measures the amount of force applied per unit area. It is derived from the SI unit of force, the newton (N), and the area unit, the square millimeter (mm²). One newton represents the force required to accelerate one kilogram of mass at a rate of one meter per second squared. The newton per square millimeter is often used in engineering and material science to express tensile strength, yield strength, and other mechanical properties of materials.

History & Origin

The newton was named after Sir Isaac Newton in the late 19th century, recognizing his contributions to classical mechanics. It became part of the metric system as the standard unit for force, while the square millimeter is a metric area unit derived from the millimeter, which has been in use since the metric system was established in the late 18th century. The combination of these two units to form N/mm² has allowed for a practical means of expressing pressure in various scientific and engineering applications.

Etymology: The term 'newton' is derived from the Latin 'Newtonius', and the prefix 'milli-' indicates a factor of one-thousandth in metric measurements.

1889: The newton was officially defi...1960: The introduction of the Intern...

Current Use

Today, the newton per square millimeter is widely used in engineering, particularly in the fields of material science and structural engineering. It is common in specifications for materials, especially metals and polymers, to indicate their tensile strength and compressive strength. This unit is particularly useful in assessing the mechanical properties of materials used in construction, automotive, and aerospace industries, where precise measurements are critical for safety and performance.

EngineeringManufacturingConstruction

💡 Fun Facts

  • A newton per square millimeter is equivalent to 1 megapascal (MPa), which is a common unit in engineering.
  • The human body can withstand pressures of around 1 N/mm² in soft tissues without injury.
  • Some materials, like diamond, have tensile strengths exceeding 100 N/mm², making them incredibly strong.

📏 Real-World Examples

500 N/mm²
The tensile strength of a steel cable
30 N/mm²
The compressive strength of concrete
200 N/mm²
The pressure exerted by a hydraulic press
300 N/mm²
The yield strength of aluminum alloys
2 N/mm²
The pressure rating for tire inflation

🔗 Related Units

Pascal (1 N/mm² = 1,000,000 Pa.)Megapascal (1 N/mm² = 1 MPa.)Bar (1 N/mm² = 10 bar.)Pound per Square Inch (1 N/mm² ≈ 145.038 psi.)

Frequently Asked Questions

How do I convert to ?

To convert to , multiply your value by 1. For example, 10 equals 10 .

What is the formula for to conversion?

The formula is: = × 1. This conversion factor is based on international standards.

Is this to converter accurate?

Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.

Can I convert back to ?

Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.

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