g/cm³ to lb/gal Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert g/cm³ to lb/gal, multiply by 8.345404. For example, 10 g/cm³ is 83.45404 lb/gal. One gram per cubic centimeter equals 8.345404 lb/gal.

Use the g/cm³ to lb/gal Converter

g/cm³ to lb/gal formula and what each symbol means

lb/gal = g/cm³ × 8.345404

Symbols used in the formula
SymbolMeaning
g/cm³Gram per cubic centimeter
lb/galPound per US gallon

g/cm³ to lb/gal examples

1 g/cm³

1 g/cm³ × 8.345404 = 8.345404 lb/gal.

10 g/cm³

10 g/cm³ × 8.345404 = 83.45404 lb/gal.

100 g/cm³

100 g/cm³ × 8.345404 = 834.5404 lb/gal.

g/cm³ compared with lb/gal

One g/cm³ is 8.345 times as large as one lb/gal, so your number gets bigger when you convert g/cm³ to lb/gal and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.

About g/cm³ and lb/gal

Gram per cubic centimeter (g/cm³): Equal to 1,000 kg/m³ and widely used for solids and liquids. Pound per US gallon (lb/gal): Pounds per US gallon, about 119.83 kg/m³.

Where g/cm³ to lb/gal conversions are used

Materials, liquids and fuels are compared by density in kg/m³, g/cm³ or lb/ft³. Engineering and shipping calculations convert between mass and volume with density.

How to calculate g/cm³ to lb/gal step by step

  1. Enter the value in g/cm³ (the starting unit).
  2. Multiply by 8.345404, because 1 g/cm³ = 8.345404 lb/gal.
  3. The product is the value in lb/gal. To go back, divide by 8.345404 or multiply by 0.1198264.

Popular density conversions

How to read your g/cm³ to lb/gal result

Quick estimate: multiply by about 8.3 to get lb/gal from g/cm³; this is within 0.6% of the exact factor. These units are numerically convenient: 1 g/cm³ = 1,000 kg/m³ = 1 kg/L.

G/CM³LB/GAL
18.345404
216.69081
541.72702
1083.45404
20166.9081
50417.2702
100834.5404
1,0008,345.404

lb/gal to g/cm³: quick table

LB/GALG/CM³
10.1198264
50.5991321
101.198264
252.995661
505.991321
10011.98264
25029.95661
50059.91321

Common mistakes when calculating g/cm³ to lb/gal

  • Forgetting that 1 g/cm³ equals 1,000 kg/m³, not 100.
  • Dividing when you should multiply: from g/cm³ to lb/gal multiply by 8.345404; from lb/gal to g/cm³ divide by 8.345404.

g/cm³ to lb/gal FAQ

How many lb/gal are in 1 g/cm³?

1 g/cm³ equals 8.345404 lb/gal.

How many g/cm³ are in 1 lb/gal?

1 lb/gal equals 0.1198264 g/cm³.

Is 1 g/cm³ = 8.345404 lb/gal an exact conversion?

The factor is shown rounded to 7 significant figures (8.345404). The calculator above uses more digits.

What is a pound per US gallon (lb/gal)?

Pounds per US gallon, about 119.83 kg/m³.

How can I estimate g/cm³ to lb/gal in my head?

Quick estimate: multiply by about 8.3 to get lb/gal from g/cm³; this is within 0.6% of the exact factor.

What is 15 g/cm³ in lb/gal?

15 g/cm³ = 125.1811 lb/gal (since 15 × 8.345404).

What is 75 g/cm³ in lb/gal?

75 g/cm³ = 625.9053 lb/gal (since 75 × 8.345404).

What is 300 g/cm³ in lb/gal?

300 g/cm³ = 2,503.621 lb/gal (since 300 × 8.345404).

How many decimals should I keep when converting g/cm³ to lb/gal?

Match the precision of your original measurement. For example, 83.45404 lb/gal rounds to 83.5 lb/gal at 3 significant figures; keep more digits only for engineering or scientific work.

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Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors