g-cm3 to lb-in3 | Exact Decimal + Formula

1 Gram / Cubic Centimeter = 0.036127 Pound / Cubic Inch

One pound / cubic inch equals about 27.7 grams / cubic centimeter (exactly 27.6799 g/cm³). Real-world use: minerals, metals, and scientific density tables. This page expresses those values in pounds / cubic inch, which is used for metals and alloys in US engineering specifications. Use the calculator above, then check the reference table for common values from 0.001 to 1000.

About Gram / Cubic Centimeter and Pound / Cubic Inch

Gram / Cubic Centimeter (g/cm³)

Grams per cubic centimeter equals 1,000 kg/m³; water is exactly 1 g/cm³ at 4°C.

Where it's used: Minerals, metals, and scientific density tables.

Pound / Cubic Inch (lb/in³)

Pounds per cubic inch is used for dense materials; steel is about 0.284 lb/in³.

Where it's used: Metals and alloys in US engineering specifications.

Density Converter

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Precision

Formula

lb/in³ = g/cm³ × 0.036127298

To convert Gram / Cubic Centimeter to Pound / Cubic Inch, use the formula displayed above.

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Gram / Cubic Centimeter to Pound / Cubic Inch: Quick Reference Table

Gram / Cubic Centimeter	Pound / Cubic Inch (Decimal)	Fraction	Real-world equivalent
0.001 g/cm³	0.000036 lb/in³	-	fractional unit measurement
0.01 g/cm³	0.000361 lb/in³	-	fractional unit measurement
0.1 g/cm³	0.003613 lb/in³	-	fractional unit measurement
0.5 g/cm³	0.018064 lb/in³	-	fractional unit measurement
1 g/cm³	0.036127 lb/in³	-	fractional unit measurement
2 g/cm³	0.072255 lb/in³	-	fractional unit measurement
5 g/cm³	0.180636 lb/in³	-	fractional unit measurement
10 g/cm³	0.361273 lb/in³	-	fractional unit measurement
25 g/cm³	0.903182 lb/in³	-	fractional unit measurement
50 g/cm³	1.806365 lb/in³	-	standard single unit scale
100 g/cm³	3.61273 lb/in³	-	standard single unit scale
250 g/cm³	9.031825 lb/in³	-	standard single unit scale
500 g/cm³	18.063649 lb/in³	-	multiple unit increments
1000 g/cm³	36.127298 lb/in³	-	multiple unit increments

g/cm³ to lb/in³ Formula and Examples

Direct Formula lb/in³ = g/cm³ × 0.036127298

Inverse Formula g/cm³ = lb/in³ × 27.6799

Mental Math Shortcut

Divide the value by roughly 27.7 to quickly estimate the converted result.

Common Gram / Cubic Centimeter to Pound / Cubic Inch Calculations

5 g/cm³ = 0.180636 lb/in³
10 g/cm³ = 0.361273 lb/in³
50 g/cm³ = 1.806365 lb/in³
100 g/cm³ = 3.61273 lb/in³
500 g/cm³ = 18.063649 lb/in³

Precision & Practical Use

For example, 10 g/cm³ = 0.361273 lb/in³ — roughly fractional unit measurement.

Results are computed to up to 9 decimal places. Round to the precision of your measuring instrument — for most density applications, 2–3 significant figures are plenty.

Related Specialist Density Calculators & Niche Tools

Density (mass per unit volume) is a critical property in brewing, winemaking, chemistry, and material science. Converting density metrics helps track material purity and fermentation progress.

In brewing and viticulture, liquid density is measured in Specific Gravity (SG) or degrees Brix to calculate sugar content and potential alcohol. Laboratory technicians convert solute concentration densities using ppm/mgL calculators. Our density tools automate the non-linear conversions between refractive indexes and relative density values, giving brewers and lab scientists instant, error-free results.

Brix to Specific Gravity Convert sugar concentrations. Specific Gravity Calc Convert specific gravity to density. Concentration ppm/mgL Convert solution concentrations.

How to Convert Gram / Cubic Centimeter to Pound / Cubic Inch

How many pound / cubic inches are in one gram / cubic centimeter?

One Gram / Cubic Centimeter (g/cm³) equals 0.036127 Pound / Cubic Inch (lb/in³). To convert gram / cubic centimeters to pound / cubic inches, multiply the gram / cubic centimeter value by 0.036127.

How do I convert Gram / Cubic Centimeter to Pound / Cubic Inch?

Multiply your gram / cubic centimeter value by 0.036127 to get the result in Pound / Cubic Inch: lb/in³ = g/cm³ × 0.036127. For example, 5 g/cm³ = 0.180636 lb/in³.

What is the formula for converting g/cm³ to lb/in³?

The conversion formula is lb/in³ = g/cm³ × 0.036127. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for g/cm³ to lb/in³?