Material DensityPounds to US Gallons

Pounds to US Gallons for Water

Snapshot

For Water, 1 Pound equals about 0.120187 US Gallons.

  • Material basis: Water at 997 kg/m^3.
  • Example: For 0.1 Pounds of Water, the result is 0.012019 US Gallons.

Interactive conversion

Converter Calculator

Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.

0.120187 US Gallons (Water)

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API and AI agent access

Pounds to US Gallons for Water. Material: water.

Machine-readable identifiers

Conversion family
material-density
Source unit
pound
Target unit
gallon_us
Material
water

Use these identifiers in the API request. Sources and model limits also apply to software clients.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "material-density",
  "value": 1,
  "from": "pound",
  "to": "gallon_us",
  "material": "water"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "material-density",
    "value": 1,
    "from": "pound",
    "to": "gallon_us",
    "result": {
      "raw": 0.120186988282,
      "display": "0.120187"
    },
    "canonicalPath": "/material-density/pounds-to-us-gallons/water/"
  }
}
API, OpenAPI and WebMCP documentation

Explanation

Pounds of Water convert to us gallons using one fixed density basis of 997 kg/m^3. Match temperature, composition and material grade to the stated reference conditions.

Approximate liquid water density near room temperature.

Common Conversion Values

Pounds (Water)US Gallons (Water)
0.1 0.012019
1/4 0.030047
1/2 0.060093
1 0.120187
2 0.240374
5 0.600935
10 1.20187
25 3.004675
50 6.009349
100 12.018699

Methodology

Water density and calculation basis

Evidence status: publishable.

Approximate density of air-free water at 25 °C, rounded to the nearest kg/m³.

temperature: 25 °C

composition: Air-free water

Source basis: NIST, NISTIR 7383 (2019), Selected Procedures for Volumetric Calibrations. GLP 10, Table 2, printed p.6 / PDF p.15, 25 °C air-free row. https://nvlpubs.nist.gov/nistpubs/ir/2019/NIST.IR.7383-2019.pdf Applicability: adopted-context.

For this direction, volume is calculated as mass divided by density after normalizing the units to kilograms and cubic meters. The resulting page multiplier is 0.120187 gal (US) per lb.

Use a measured density for a specific batch, grade or supplier; the table value is a reference, not a product specification.