Newtons per Square Millimeter to PSI Converter

1 N/mm² = 145.03773773 psi. Type any value below for the exact psi figure.

N/mm²
145.03773773psi

1 N/mm² = 145.03773773 psi

Conversion summary

1 N/mm² = 145.03773773 psi

Formula
PSI = Newton per Square Millimeter × 145.03773773
Category
Pressure
Units
N/mm² → psi

How do you convert newtons per square millimeter to PSI?

To convert newtons per square millimeter to PSI, multiply the number of newtons per square millimeter by 145.03773773. 1 N/mm² = 145.038 psi.

Conversion formula

PSI = Newton per Square Millimeter × 145.03773773

Newtons per Square Millimeter to PSI conversion table

Newtons per Square Millimeter (N/mm²)PSI (psi)
1 N/mm²145.038 psi
5 N/mm²725.189 psi
10 N/mm²1,450.38 psi
20 N/mm²2,900.75 psi
25 N/mm²3,625.94 psi
30 N/mm²4,351.13 psi
40 N/mm²5,801.51 psi

What is PSI?

PSI stands for pound-force per square inch. It is a common pressure unit in Anglo-American technical practice.

Short history of PSI

PSI remained deeply embedded in automotive, hydraulic and field-service traditions even after SI usage spread more widely.

Open the PSI unit guide

Frequently asked questions

What is 1 Newton per Square Millimeter in PSI?

1 N/mm² = 145.03773773 psi.

How do you convert Newton per Square Millimeter to PSI?

To convert newtons per square millimeter to PSI, multiply the number of newtons per square millimeter by 145.03773773. 1 N/mm² = 145.038 psi.

Frequently asked questions

How many PSI are in 1 newton per square millimeter?

1 N/mm² = 145.038 psi.

How do you convert newtons per square millimeter to PSI?

To convert newtons per square millimeter to PSI, multiply the number of newtons per square millimeter by 145.03773773. 1 N/mm² = 145.038 psi.

How many newtons per square millimeter are in 1 PSI?

1 psi = 0.00689476 N/mm².

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Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Pressure and Gas Flow Unit Conversions
  3. NIST: Guide to the SI — Conversion Factors