Hectoliter 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 hectoliters [hl] to US gallons [US.liq.gal.] or US gallons [US.liq.gal.] to hectoliters [hl]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 hectoliter [hl] ≈ 26.4172 US gallons [US.liq.gal.]1 US gallon [US.liq.gal.] ≈ 0.0379 hectoliters [hl]

Convert hectoliters to US gallons

There are two simple ways to convert hectoliters [hl] to US gallons [US.liq.gal.]. In the first calculation method, the value in hectoliters [hl] is divided by the rounded conversion factor of 0.0379. The second method multiplies the value in hectoliters [hl] by the rounded conversion factor of 26.4172.

  • US gallons [US.liq.gal.] ≈ hectoliters [hl] ÷ 0.0379
  • US gallons [US.liq.gal.] ≈ hectoliters [hl] * 26.4172

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of hectoliters [hl] to US gallons [US.liq.gal.] can be achieved using the following calculation method.

  • US gallons [US.liq.gal.] = hectoliters [hl] ÷ 586.74 ÷ 645.16 * 107

Convert US gallons to hectoliters

Converting US gallons [US.liq.gal.] to hectoliters [hl] 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 0.0379. The second variant is a division. Here, the value in US gallons [US.liq.gal.] is divided by the rounded conversion factor of 26.4172.

  • Hectoliters [hl] ≈ US gallons [US.liq.gal.] * 0.0379
  • Hectoliters [hl] ≈ US gallons [US.liq.gal.] ÷ 26.4172

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 hectoliters [hl] can be achieved using the following calculation method.

  • Hectoliters [hl] = US gallons [US.liq.gal.] * 586.74 * 645.16 ÷ 107

Converter

Decimal places

How it's calculated

Factor: 
≈ 26.417
US gallons = Hectoliters ÷ 586.74 ÷ 645.16 * 107
Hectoliters = US gallons * 586.74 * 645.16 ÷ 107

To all available units

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