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Gallons per Hour to Liters per Hour Converter (gph to l/h)

1 gph = 3.785411784 l/h. Type any value to convert gallons per hour to liters per hour.

1 gph = 3.785411784 l/h

Formula: l/h = gph × 3.785411784

Common values
Decimals
In every unit 9 units
Cubic meter per second (m³/s) 0.000001051503273 m³/s
Cubic meter per hour (m³/h) 0.003785411784 m³/h
Liter per second (l/s) 0.001051503273 l/s
Liter per minute (l/min) 0.0630901964 l/min
Liter per hour (l/h) 3.785411784 l/h
Gallon per minute (US) (gpm) 0.01666666667 gpm
Gallon per hour (US) (gph) 1 gph
Cubic foot per minute (cfm) 0.002228009259 cfm
Cubic foot per second (ft³/s) 0.00003713348765 ft³/s

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Gallons per hour to liters per hour table

Formula: l/h = gph × 3.785411784

Gallon per hour (US) (gph)Liter per hour (l/h)
0.1 gph0.3785411784 l/h
0.25 gph0.946352946 l/h
0.5 gph1.892705892 l/h
1 gph3.785411784 l/h
2 gph7.570823568 l/h
3 gph11.35623535 l/h
4 gph15.14164714 l/h
5 gph18.92705892 l/h
6 gph22.7124707 l/h
7 gph26.49788249 l/h
8 gph30.28329427 l/h
9 gph34.06870606 l/h
10 gph37.85411784 l/h
12 gph45.42494141 l/h
15 gph56.78117676 l/h
20 gph75.70823568 l/h
25 gph94.6352946 l/h
30 gph113.5623535 l/h
40 gph151.4164714 l/h
50 gph189.2705892 l/h
60 gph227.124707 l/h
75 gph283.9058838 l/h
100 gph378.5411784 l/h
150 gph567.8117676 l/h
200 gph757.0823568 l/h
250 gph946.352946 l/h
500 gph1,892.705892 l/h
1,000 gph3,785.411784 l/h

How to use: Gallons per Hour to Liters per Hour

  1. 1 Type the value in gallons per hour.
  2. 2 The result in liters per hour appears at once – or type in the liters per hour field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of flow rate.

About this tool

Gallon per hour (US) (gph) is a unit of flow rate (US customary); 1 gph = 0.000001051503273 m³/s. Liter per hour (l/h) is a unit of flow rate (metric, accepted for use with the SI); 1 l/h = 2.777777778 × 10⁻⁷ m³/s.

To convert gallons per hour to liters per hour, multiply the value by 3.785411784 (l/h = gph × 3.785411784). Example: 100 gph = 378.5411784 l/h.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert gallons per hour to liters per hour?

To convert gallons per hour to liters per hour, multiply the value by 3.785411784: l/h = gph × 3.785411784. For example 100 gph = 378.5411784 l/h.

What is 1 gph in liters per hour?

1 gph = 3.785411784 l/h. The other way round, 1 l/h = 0.2641720524 gph.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of flow rate here?

Yes – choose any of the 9 units of flow rate in the From and To lists, or switch to another measurement at the top.

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