*To convert specific gravity to weight per gallon, multiply the specific gravity by the weight of a gallon of water. The weight of a gallon of water is approximately 8.34 pounds per gallon (lb/gal). So, the formula is: Weight per gallon (lb/gal) = Specific gravity x 8.34 lb/gal. This gives you the weight per gallon of the substance based on its specific gravity.*

## Specific Gravity to Weight per Gallon Calculator

Here’s a table showing the conversion of specific gravity to weight per gallon for various substances, assuming the density of water is 8.34 pounds per gallon:

Specific Gravity | Weight per Gallon (lb/gal) |
---|---|

0.5 | 4.17 |

0.8 | 6.67 |

1.0 | 8.34 |

1.2 | 10.01 |

1.5 | 12.51 |

2.0 | 16.68 |

You can use this table to convert specific gravity to weight per gallon for different substances. Simply multiply the specific gravity by 8.34 to get the weight per gallon.

## FAQs

**How do you convert specific gravity to weight per gallon?** Specific gravity is a dimensionless value, so it cannot be directly converted to weight per gallon without knowing the density of the substance in question. Weight per gallon depends on both the specific gravity and the density of the material. You can calculate it using the formula: Weight per gallon (lb/gal) = Specific gravity x Density of water (8.34 lb/gal).

**How do you convert specific gravity to weight?** Specific gravity does not directly convert to weight since it is a ratio of the density of a substance to the density of water (at 4°C or 39.2°F). To calculate weight, you would need to know the volume of the substance and then use the formula: Weight (lb) = Volume (gal) x Weight per gallon (lb/gal).

**Is specific gravity the same as weight per gallon?** No, specific gravity and weight per gallon are not the same. Specific gravity is dimensionless and represents the ratio of the density of a substance to the density of water. Weight per gallon is a unit of weight (mass) per unit of volume (gallon) and depends on both specific gravity and the density of water.

**How do you calculate weight per gallon?** Weight per gallon can be calculated using the formula: Weight per gallon (lb/gal) = Specific gravity x Density of water (8.34 lb/gal). You need to know the specific gravity of the substance you’re interested in.

**Is specific gravity equal to weight?** No, specific gravity is not equal to weight. Specific gravity is a dimensionless ratio, while weight is a measure of the force of gravity acting on an object’s mass. Weight depends on both the mass of an object and the strength of the gravitational field.

**What is 0.8 specific gravity to density?** Specific gravity of 0.8 represents the ratio of the density of a substance to the density of water. To find the density of the substance, you can use the formula: Density (g/cm³) = Specific gravity x Density of water (1 g/cm³). In this case, the density would be 0.8 g/cm³.

**What is the formula for mass density using specific gravity?** The formula to calculate density using specific gravity is: Density (ρ) = Specific Gravity (SG) x Density of Water at a specified temperature (ρw). The density of water at 4°C (39.2°F) is commonly used as the reference density (1 g/cm³ or 1000 kg/m³).

**How do you convert specific gravity to mass volume?** Specific gravity is not directly converted to mass volume. Specific gravity is a relative measure of density, while mass volume would depend on the actual mass and volume of the substance. You can find mass volume by multiplying the density (calculated from specific gravity) by the volume of the substance.

**What is the weight of a gallon of water?** The weight of a gallon of water is approximately 8.34 pounds (lb) or about 3.78 kilograms (kg).

**How do you calculate specific gravity from weight in water?** Specific gravity can be calculated from the weight of an object in water by using the formula: Specific Gravity (SG) = Weight in Air (Wair) / (Weight in Air (Wair) – Weight in Water (Wwater)). This formula is commonly used to determine the specific gravity of an object or substance.

**Is specific gravity the same as weight density?** No, specific gravity is not the same as weight density. Specific gravity is a dimensionless ratio, while weight density (mass density) is a measure of mass per unit volume (e.g., kg/m³ or lb/ft³).

**Can you calculate specific gravity?** Yes, you can calculate specific gravity using the formula mentioned earlier: Specific Gravity (SG) = Weight in Air (Wair) / (Weight in Air (Wair) – Weight in Water (Wwater)).

**What is the conversion of weight to gallons?** The conversion of weight to gallons depends on the substance’s specific gravity and the density of water. To convert weight (in pounds) to gallons, you can use the formula: Gallons (gal) = Weight (lb) / (Specific Gravity x Density of water (8.34 lb/gal)).

**What is the equivalent weight of 1 gallon?** The equivalent weight of 1 gallon depends on the substance’s specific gravity and the density of water. For water at its standard density, 1 gallon is approximately 8.34 pounds (lb) or about 3.78 kilograms (kg).

**How do you calculate weight formula?** The formula to calculate weight is: Weight (W) = Mass (m) x Acceleration due to gravity (g). The standard value for acceleration due to gravity on Earth’s surface is approximately 9.81 m/s².

**What is 9.81 gravity?** 9.81 is the approximate value of the acceleration due to gravity (in meters per second squared, m/s²) on the surface of the Earth. It is often rounded to 9.8 m/s² for simplicity in calculations.

**Why do we use specific gravity instead of density?** Specific gravity is often used because it provides a convenient way to compare the density of a substance to the density of water, which has a specific gravity of 1. This makes it easier to understand the relative density of different materials without needing to work with specific units.

**Is a liquid of specific gravity 0.8 heavier than water?** No, a liquid with a specific gravity of 0.8 is not heavier than water. It is less dense than water. Water has a specific gravity of 1, so any substance with a specific gravity less than 1 is less dense than water and will float on water.

**What is 1 specific gravity density?** A specific gravity of 1 corresponds to the same density as water. In the International System of Units (SI), this is approximately 1000 kilograms per cubic meter (kg/m³) or 1 gram per cubic centimeter (g/cm³).

**What does a specific gravity of 1.060 mean?** A specific gravity of 1.060 means that the substance is 1.060 times denser than water at the specified temperature. It is denser than water.

**What is the formula for gravity mass weight?** Gravity, mass, and weight are related by the formula: Weight (W) = Mass (m) x Acceleration due to gravity (g).

**What is the difference between density and specific weight?** Density is a measure of mass per unit volume (e.g., kg/m³ or lb/ft³), while specific weight (also known as weight density) is a measure of weight per unit volume (e.g., N/m³ or lb/ft³). Specific weight takes into account the gravitational force acting on the material.

**How do you convert liters to kilograms with specific gravity?** To convert liters to kilograms using specific gravity, you can use the formula: Mass (kg) = Volume (L) x Specific Gravity (SG) x Density of Water (1 kg/L). This assumes that the density of the substance is equivalent to the density of water.

**How do you find weight from density?** To find weight from density, you can use the formula: Weight (W) = Volume (V) x Density (ρ) x Acceleration due to gravity (g).

**How do you calculate weight in water?** To calculate weight in water, you can subtract the weight of an object in air from its weight in water. Weight in Water (Wwater) = Weight in Air (Wair) – Buoyant Force.

**How much does 1 gallon of water weigh in liters?** 1 gallon of water weighs approximately 3.78 kilograms (kg) or 3780 grams (g) when converted to liters.

**How much does 2 gallons of water weigh?** 2 gallons of water weigh approximately 7.56 kilograms (kg) or 7560 grams (g).

**What is the specific gravity of 10 kg of water?** The specific gravity of pure water is always 1. So, the specific gravity of 10 kg of water is also 1.

**Is specific gravity heavier than water?** Specific gravity is a relative measure of density and does not directly indicate whether a substance is heavier or lighter than water. A specific gravity less than 1 means the substance is less dense than water and will float, while a specific gravity greater than 1 means it is denser and will sink.

**What is the standard specific gravity of water?** The standard specific gravity of pure water at its maximum density (at 4°C or 39.2°F) is 1.

**What is the specific gravity of water and unit weight?** The specific gravity of water is 1, and the unit weight of water is approximately 9.81 kilonewtons per cubic meter (kN/m³) or 62.43 pounds per cubic foot (lb/ft³) at standard conditions.

**What is the difference between specific gravity and specific weight of water?** Specific gravity is a dimensionless ratio comparing the density of a substance to the density of water. Specific weight (weight density) is a measure of the weight (force) of a substance per unit volume and includes the effect of gravity. They are related but have different units and interpretations.

**What is the relation between specific gravity and density?** Specific gravity is the ratio of the density of a substance to the density of water. It provides a way to compare the density of different materials by expressing them relative to the density of water.

**Why is the specific gravity of water 1?** The specific gravity of water is defined as 1 because it serves as a reference point for comparing the densities of other substances. By convention, water at its maximum density (at 4°C or 39.2°F) is used as the standard for specific gravity calculations.

**What is the formula for the specific gravity of a liquid?** The formula for the specific gravity (SG) of a liquid is: Specific Gravity (SG) = Density of the Liquid / Density of Water.

**What is the accurate method of determining specific gravity?** One accurate method of determining specific gravity is to use a hydrometer. A hydrometer is a calibrated instrument that measures the density or specific gravity of a liquid by floating in it. Another method involves using a balance to measure the weight of a known volume of the liquid and comparing it to the weight of an equal volume of water.

**How do you measure specific gravity without a hydrometer?** You can measure specific gravity without a hydrometer by using other methods, such as the displacement method (submerging an object in a liquid and measuring the volume of liquid displaced) or by using a balance to compare the weight of the liquid to the weight of an equal volume of water.

**How do you convert kg to gallons using density?** To convert kilograms (kg) to gallons (gal) using density, you can use the formula: Volume (gal) = Mass (kg) / (Density of the substance x Density of water).

**Does a gallon of water weigh the same as a gallon of gasoline?** No, a gallon of water and a gallon of gasoline do not weigh the same. Water is denser than gasoline, so a gallon of water weighs more than a gallon of gasoline.

**How does 5 gallons of water weigh?** Five gallons of water weigh approximately 41.7 pounds (lb) or about 18.9 kilograms (kg).

**Is pounds per gallon density?** Pounds per gallon (lb/gal) is a measure of density. It represents the weight (mass) of a substance per unit volume (gallon).

**Do all liquids weigh the same per gallon?** No, all liquids do not weigh the same per gallon. The weight per gallon of a liquid depends on its density, and different liquids have different densities. Therefore, liquids with different compositions will have different weights per gallon.

**Do all gallons of liquid weigh the same?** No, all gallons of liquid do not weigh the same. The weight of a gallon of liquid depends on the density of the specific liquid in question.

**What is the difference between weight and gravity?** Weight is the force exerted on an object due to gravity, while gravity is the natural force of attraction between two masses. Weight depends on both the mass of an object and the strength of the gravitational field it is in.

**What is gravity and weight?** Gravity is a fundamental force of nature that causes objects with mass to be attracted to each other. Weight, on the other hand, is the force of gravity acting on an object’s mass.

**What is weight divided by gravity?** Weight divided by gravity (often denoted as “W/g”) is equal to the mass of an object. It is a way to express an object’s mass in terms of the gravitational force acting on it.

**What is 9.8 gravity to KG?** The value 9.8 is commonly used to approximate the acceleration due to gravity (in meters per second squared, m/s²) on the surface of the Earth. If you divide the weight of an object (in newtons, N) by 9.8 m/s², you can find its mass in kilograms (kg).

**Should I use 9.8 or 9.81 gravity?** You can use either 9.8 or 9.81 as an approximation for the acceleration due to gravity on Earth’s surface, depending on the level of precision required for your calculations. 9.81 m/s² is a more accurate value, but 9.8 m/s² is often used for simplicity.

**What does 1 g of gravity mean?** 1 g of gravity refers to an acceleration of 9.8 meters per second squared (9.8 m/s²) on the surface of the Earth. It is often used as a unit of gravitational acceleration.

**What is 0.8 specific gravity to density?** A specific gravity of 0.8 means that the substance is 0.8 times denser than water. To find the density, you can multiply the specific gravity by the density of water at the same conditions. So, the density would be 0.8 times the density of water.

**What is the unit of specific gravity?** Specific gravity is a dimensionless quantity and does not have a specific unit. It is simply a ratio of densities.

**Is viscosity the same as specific gravity?** No, viscosity and specific gravity are not the same. Viscosity is a measure of a fluid’s resistance to flow, while specific gravity is a measure of the relative density of a substance compared to the density of water.

**What liquid has a specific gravity of 1?** Water at its maximum density (at 4°C or 39.2°F) has a specific gravity of 1.

**Will a specific gravity less than 1 float?** Yes, a substance with a specific gravity less than 1 will typically float on water because it is less dense than water.

**How do you find density from specific gravity?** You can find density from specific gravity using the formula: Density (ρ) = Specific Gravity (SG) x Density of Water (ρw). The density of water is typically 1 g/cm³ or 1000 kg/m³.

**How do you convert specific gravity to specific weight?** To convert specific gravity to specific weight, you can use the formula: Specific Weight (γ) = Specific Gravity (SG) x Density of Water (γw). The density of water is typically about 9.81 kilonewtons per cubic meter (kN/m³) or 62.43 pounds per cubic foot (lb/ft³).

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