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in3\text{in}^{3}

cubic inch

VolumeSection modulusexact by definition

The cubic inch is the volume of a cube one inch on a side, exactly 1.6387064 × 10⁻⁵ m³ or about 16.39 mL. It survives in American engine displacement figures and in the definition of the US gallon, which is exactly 231 cubic inches. The factor is exact by definition.

1 in3\text{in}^{3} (Volume)0.016387064 L\text{L}
1 in3\text{in}^{3} (Section modulus)16,387.064 mm3\text{mm}^{3}
As a unit of section modulus

The cubic inch is exactly 1.6387064 × 10⁻⁵ cubic metres, since the inch is exactly 0.0254 m. It is the section modulus unit of US steel design, where AISC tables list SxS_x and ZxZ_x in cubic inches. A W12×26 beam has an elastic section modulus of about 33.4 in³.

One cubic inch in every volume unit

16,387.1cubic millimeter (mm³)
16,387.1microliter (μL)
16.3871milliliter (mL)convert →
16.3871cubic centimeter (cm³)
3.32468US teaspoon (tsp)
1.63871centiliter (cL)
1.10823US tablespoon (tbsp)
1cubic inch (in³)this unit
0.576744imperial fluid ounce (imp fl oz)
0.554113US fluid ounce (fl oz)convert →
0.163871deciliter (dL)
0.0692641US cup (cup)
0.034632US pint (pt)convert →
0.0288372imperial pint (imp pt)
0.017316US quart (qt)convert →
0.0163871liter (L)convert →
0.0163871cubic decimeter (dm³)
0.0144186imperial quart (imp qt)
0.00694444board foot (fbm)
0.004329US gallon (gal)convert →
0.00360465imperial gallon (imp gal)convert →
0.000578704cubic foot (ft³)convert →
0.000465025US bushel (bu)
0.000163871hectoliter (hL)
0.000139645US beer barrel (bbl beer)
0.000103072oil barrel (bbl)
0.0000214335cubic yard (yd³)convert →
0.0000163871cubic meter (m³)convert →
0.0000163871kiloliter (kL)
0.00000578704hundred cubic feet (CCF)
0.00000452112cord (cord)
1.32852e-08acre-foot (ac·ft)
4.32900e-09million US gallons (MG)
1.63871e-14cubic kilometer (km³)

One cubic inch in every section modulus unit

16,387,100,000,000cubic micrometer (μm³)
16,387.1cubic millimeter (mm³)
16.3871cubic centimeter (cm³)
16.3871thousand cubic millimeters (10³ mm³)
1cubic inch (in³)this unit
0.000578704cubic foot (ft³)
0.0000163871cubic meter (m³)
Convert cubic inch to
in3 → mlin3 → lin3 → m3in3 → galin3 → impgalin3 → qtin3 → ptin3 → floz

All volume units →

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