Cubic meter to US gallon Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert cubic meters [m³] to US gallons [US.liq.gal.] or US gallons [US.liq.gal.] to cubic meters [m³]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert cubic meters to US gallons
There are two simple ways to convert cubic meters [m³] to US gallons [US.liq.gal.]. In the first calculation method, the value in cubic meters [m³] is divided by the rounded conversion factor of 0.0038. The second method multiplies the value in cubic meters [m³] by the rounded conversion factor of 264.1721.
- US gallons [US.liq.gal.] ≈ cubic meters [m³] ÷ 0.0038
- US gallons [US.liq.gal.] ≈ cubic meters [m³] * 264.1721
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of cubic meters [m³] to US gallons [US.liq.gal.] can be achieved using the following calculation method.
- US gallons [US.liq.gal.] = cubic meters [m³] ÷ 586.74 ÷ 645.16 * 108
Convert US gallons to cubic meters
Converting US gallons [US.liq.gal.] to cubic meters [m³] is easy and can be done in two ways. The first method involves multiplication, in which the value in US gallons [US.liq.gal.] is multiplied by the rounded conversion factor of 0.0038. The second variant is a division. Here, the value in US gallons [US.liq.gal.] is divided by the rounded conversion factor of 264.1721.
- Cubic meters [m³] ≈ US gallons [US.liq.gal.] * 0.0038
- Cubic meters [m³] ≈ US gallons [US.liq.gal.] ÷ 264.1721
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of US gallons [US.liq.gal.] to cubic meters [m³] can be achieved using the following calculation method.
- Cubic meters [m³] = US gallons [US.liq.gal.] * 586.74 * 645.16 ÷ 108
Converter
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To all available units
Cubic meters
Liquid pints
Cubic meters
Liquid quarts
Cubic meters
US minims
Cubic meters
US pecks
Cubic micrometers
Acre-feet
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