Second Moment of Area

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The following units are included in this section:

 

ID

Unit

Definition

Wikipedia page and other notes

1

bisq. metre (m⁴)

-

https://en.wikipedia.org/wiki/Metre

Page refers to metre, not bisquare metre

2

bisq. centimetre (cm⁴)

10-8 m4

https://en.wikipedia.org/wiki/Centimetre

Page refers to centimetre, not bisquare centimetre

3

bisq. millimetre (mm⁴)

10-12 m4

https://en.wikipedia.org/wiki/Millimetre

Page refers to millimetre, not bisquare millimetre

4

bisq. kilometre (km⁴)

1012 m4

https://en.wikipedia.org/wiki/Kilometre

Page refers to kilometre, not bisquare kilometre

5

bisq. inch (in⁴)

(1/2,402,510) m4

https://en.wikipedia.org/wiki/Inch

Page refers to inch, not bisquare inch

6

bisq. foot (ft⁴)

(0.304804) m4

https://en.wikipedia.org/wiki/Foot_(unit)

Page refers to foot, not bisquare foot

7

bisq. yard (yd⁴)

(0.91444) m4

https://en.wikipedia.org/wiki/Yard

Page refers to yard, not bisquare yard

8

bisq. mile (mi⁴)

(1609.3444) m4

https://en.wikipedia.org/wiki/Mile

Page refers to mile, not bisquare mile

9

bisq. decimetre (dm⁴)

10-4 m4

https://en.wikipedia.org/wiki/Decimetre

Page refers to decimetre, not bisquare decimetre

10

bisq. decametre (dam⁴)

104 m4

https://en.wikipedia.org/wiki/Decametre

Page refers to decametre, not bisquare decametre

11

bisq. nautical mile (nmi⁴)

(18524) m4

https://en.wikipedia.org/wiki/Nautical_mile

Page refers to nautical mile, not bisquare nautical mile

12

bisq. angstrom (Å⁴)

10-40 m4

https://en.wikipedia.org/wiki/Angstrom

Page refers to angstrom, not bisquare angstrom

13

bisq. hectometre (hm⁴)

108 m4

https://en.wikipedia.org/wiki/Hectometre

Page refers to hectometre, not bisquare hectometre

14

bisq. micrometre (μm⁴)

10-24 m4

https://en.wikipedia.org/wiki/Micrometre

Page refers to micrometre, not bisquare micrometre

15

bisq. nanometre (nm⁴)

10-36 m4

https://en.wikipedia.org/wiki/Nanometre

Page refers to nanometre, not bisquare nanometre

16

bisq. thousandth of an inch (mil⁴)

2.544×10-20 m4

https://en.wikipedia.org/wiki/Thousandth_of_an_inch

Page refers to thousandth of an inch, not bisquare thousandth of an inch

 

All the above definitions of the various units are EXACT.

Note: In the above, a period (.) is used to indicate the decimal place and a comma (,) is used to separate groups of thousands.

 

Type of conversion relationship: DIRECTLY PROPORTIONAL (y=ax)

Example conversion diagram (see two units in bold above):

Second Moment of Area