Gallons per second (gal/s) to Gallons per minute (gal/min) conversion

1 gal/s = 60 gal/mingal/mingal/s
Formula
gal/min = gal/s × 60

Understanding Gallons per second to Gallons per minute Conversion

Gallons per second (gal/s\text{gal/s}) and gallons per minute (gal/min\text{gal/min}) are both units of volumetric flow rate, which describe how much liquid moves through a system over time. Converting between these units is useful in plumbing, pump sizing, irrigation, industrial fluid handling, and water system monitoring, where equipment specifications may use different time bases.

Because both units measure the same kind of quantity, the conversion only changes the time interval from seconds to minutes. This makes it easy to compare flow rates across devices, reports, and engineering references.

Conversion Formula

The verified relationship between these units is:

1 gal/s=60 gal/min1 \ \text{gal/s} = 60 \ \text{gal/min}

So, to convert gallons per second to gallons per minute, use:

gal/min=gal/s×60\text{gal/min} = \text{gal/s} \times 60

The reverse relationship is:

1 gal/min=0.01666666666667 gal/s1 \ \text{gal/min} = 0.01666666666667 \ \text{gal/s}

Which gives the reverse formula:

gal/s=gal/min×0.01666666666667\text{gal/s} = \text{gal/min} \times 0.01666666666667

Step-by-Step Example

Suppose a transfer pump moves water at 3.75 gal/s3.75 \ \text{gal/s}.

Write the formula:

gal/min=gal/s×60\text{gal/min} = \text{gal/s} \times 60

Substitute the value:

gal/min=3.75×60\text{gal/min} = 3.75 \times 60

Calculate:

gal/min=225\text{gal/min} = 225

So, 3.75 gal/s=225 gal/min3.75 \ \text{gal/s} = 225 \ \text{gal/min}.

Real-World Examples

  • A large utility pump delivering 2 gal/s2 \ \text{gal/s} is operating at 120 gal/min120 \ \text{gal/min}, a scale commonly used in water transfer and treatment systems.
  • A fire protection line flowing at 8.5 gal/s8.5 \ \text{gal/s} corresponds to 510 gal/min510 \ \text{gal/min}, a useful comparison when checking pump and hose capacity.
  • An industrial wash system using 1.2 gal/s1.2 \ \text{gal/s} has a flow rate of 72 gal/min72 \ \text{gal/min}, which may match equipment specifications listed per minute.
  • A high-capacity irrigation pump moving 4.4 gal/s4.4 \ \text{gal/s} delivers 264 gal/min264 \ \text{gal/min}, making it easier to compare against agricultural pump charts.

Interesting Facts

  • The gallon is a non-SI unit of volume, and its exact size depends on the system being used, such as the U.S. gallon or the imperial gallon. Background on the gallon is available from Wikipedia: https://en.wikipedia.org/wiki/Gallon
  • Flow rate is commonly expressed as volume per unit time, and unit conversions like seconds to minutes are routine in engineering and measurement practice. NIST provides guidance on units and measurement systems here: https://www.nist.gov/pml/owm/metric-si/unit-conversion

Summary

Gallons per second and gallons per minute express the same physical concept: volume flow rate. The verified conversion is simple:

1 gal/s=60 gal/min1 \ \text{gal/s} = 60 \ \text{gal/min}

To convert from gallons per second to gallons per minute, multiply by 6060:

gal/min=gal/s×60\text{gal/min} = \text{gal/s} \times 60

This conversion is especially useful when comparing pumps, pipelines, water systems, and fluid equipment that may report flow in different time units.

How to Convert Gallons per second to Gallons per minute

To convert Gallons per second to Gallons per minute, use the fact that there are 60 seconds in 1 minute. Since the rate is per second, multiply by 60 to change it to per minute.

  1. Identify the conversion factor:
    Use the verified relationship between the two units:

    1 gal/s=60 gal/min1\ \text{gal/s} = 60\ \text{gal/min}

  2. Write the conversion formula:
    Multiply the value in Gallons per second by 60:

    gal/min=gal/s×60\text{gal/min} = \text{gal/s} \times 60

  3. Substitute the given value:
    Insert 2525 for the Gallons per second value:

    gal/min=25×60\text{gal/min} = 25 \times 60

  4. Calculate the result:
    Multiply to get the final rate:

    25×60=150025 \times 60 = 1500

  5. Result:

    25 gal/s=1500 gal/min25\ \text{gal/s} = 1500\ \text{gal/min}

A quick way to remember this conversion is that going from per second to per minute means multiplying by 60. If converting the other way, divide by 60 instead.

Gallons per second to Gallons per minute conversion table

Gallons per second (gal/s)Gallons per minute (gal/min)
00
160
2120
3180
4240
5300
6360
7420
8480
9540
10600
15900
201200
251500
301800
402400
503000
603600
704200
804800
905400
1006000
1509000
20012000
25015000
30018000
40024000
50030000
60036000
70042000
80048000
90054000
100060000
2000120000
3000180000
4000240000
5000300000
10000600000
250001500000
500003000000
1000006000000
25000015000000
50000030000000
100000060000000

What is Gallons per Second (GPS)?

Gallons per second (GPS) is a measurement unit that tells you how many gallons of a liquid are moving past a certain point every second. It's a rate, showing volume over time. It is commonly used in the US to measure high volume flow rates.

How is GPS Formed?

GPS is formed by dividing a volume measured in gallons by a time measured in seconds.

GPS=Volume(Gallons)Time(Seconds)GPS = \frac{Volume (Gallons)}{Time (Seconds)}

For example, if 10 gallons of water flow out of a pipe in 2 seconds, the flow rate is 5 gallons per second.

Conversions and Relationships

GPS can be converted to other common flow rate units:

  • 1 Gallon ≈ 0.00378541 Cubic Meters
  • 1 GPS ≈ 0.00378541 m3/sm^3/s
  • 1 GPS ≈ 3.78541 Liters/second

Real-World Applications and Examples

  • Firefighting: Fire hoses and sprinkler systems are often rated in GPS to indicate their water delivery capacity. A typical fire hydrant might deliver 500-1000 GPS.
  • Pumping Stations: Large pumping stations, such as those used in water treatment plants or flood control, can have flow rates measured in thousands of GPS.
  • Industrial Processes: Many industrial processes, such as chemical manufacturing or oil refining, involve the movement of large volumes of fluids, and GPS is used to measure flow rates in these processes.
  • River Flow: While not a direct measurement, river discharge rates can be expressed in terms relatable to GPS (e.g., converting cubic feet per second to GPS for easier understanding).
    • The average flow rate of the Mississippi River is around 600,000 cubic feet per second, which is approximately 4.5 million GPS.
  • Pool filling: Average garden hose has 5-10 gallons per minute. This means it will take around 30 minutes to fill a 150 gallon pool. This is 0.08 - 0.17 GPS.

Historical Context and Interesting Facts

While no single person is specifically associated with the "invention" of GPS as a unit, its use is tied to the development of fluid mechanics and hydraulics. Understanding flow rates became crucial with the rise of industrialization and the need to efficiently manage and transport fluids.

The measurement of flow rates dates back to ancient civilizations that developed aqueducts and irrigation systems. However, the standardization of units like GPS is a more recent development, driven by the need for precise measurements in engineering and scientific applications.

What is Gallons Per Minute (GPM)?

Gallons per minute (GPM) is a unit of measurement that expresses the volume of a liquid that flows past a specific point in one minute. It's commonly used to quantify the rate of fluid transfer or consumption.

Understanding Gallons

A gallon is a unit of volume in the United States customary and imperial systems of measurement. There are different types of gallons, but the U.S. liquid gallon is most relevant here:

  • 1 U.S. liquid gallon = 231 cubic inches
  • 1 U.S. liquid gallon ≈ 3.785 liters

Therefore, 1 GPM is equivalent to 3.785 liters per minute.

Calculating GPM

The flow rate (Q) in GPM can be calculated using different methods, depending on the available information. Here are a couple of common scenarios:

  • From Volume and Time:

    If you know the volume (V) of liquid that flows in a specific time (t), you can calculate GPM using the following formula:

    Q=VtQ = \frac{V}{t}

    Where:

    • Q = Flow rate in gallons per minute (GPM)
    • V = Volume in gallons
    • t = Time in minutes
  • From Velocity and Area:

    If you know the average velocity (v) of the liquid flow and the cross-sectional area (A) of the pipe or channel, you can calculate GPM using the following formula:

    Q=vAQ = v \cdot A

    Where:

    • Q = Flow rate (convert to GPM using appropriate conversion factors)
    • v = Average velocity (e.g., feet per second)
    • A = Cross-sectional area (e.g., square feet)

    Conversion Factors: Remember to use appropriate conversion factors to ensure your final answer is in GPM.

Real-World Examples of GPM

  • Water Usage in Homes: Showerheads and faucets often have flow rates specified in GPM. For example, a low-flow showerhead might have a flow rate of 2.5 GPM or less.
  • Pumps: Pumps used in various applications (e.g., sump pumps, water pumps for irrigation) are often rated by their GPM capacity. A sump pump might be rated to pump 15 GPM or more.
  • Industrial Processes: In manufacturing and chemical processing, GPM is crucial for controlling the flow of liquids in pipelines, reactors, and other equipment. Specific processes might require flow rates ranging from a few GPM to hundreds or even thousands of GPM.
  • HVAC Systems: Chillers and cooling towers in HVAC systems use GPM to measure the flow rate of coolant water.
  • Irrigation: Sprinkler systems are often rated in GPM to ensure sufficient water distribution for plant growth.

Interesting Facts and Connections

  • Plumbing Codes: Plumbing codes often specify maximum allowable flow rates for fixtures (e.g., faucets, showerheads) in order to conserve water.
  • Water Conservation: Reducing GPM is a key strategy for water conservation efforts in residential, commercial, and industrial settings.
  • Hydraulic Engineering: GPM is a fundamental unit in hydraulic engineering for designing and analyzing fluid flow systems.

Additional Resources

For more information on flow rate and related concepts, refer to the following resources:

Frequently Asked Questions

What is the formula to convert Gallons per second to Gallons per minute?

To convert Gallons per second to Gallons per minute, multiply the flow rate by 6060. The formula is gal/min=gal/s×60 \text{gal/min} = \text{gal/s} \times 60 .

How many Gallons per minute are in 1 Gallon per second?

There are 6060 Gallons per minute in 11 Gallon per second. This comes directly from the verified conversion: 1gal/s=60gal/min1 \, \text{gal/s} = 60 \, \text{gal/min}.

Why do you multiply by 60 when converting gal/s to gal/min?

You multiply by 6060 because one minute contains 6060 seconds. Since the rate is measured per second, converting it to per minute increases the value by a factor of 6060.

Where is converting Gallons per second to Gallons per minute used in real life?

This conversion is commonly used in water systems, pump specifications, irrigation, and industrial fluid handling. A device may be rated in gal/s \text{gal/s} , while reports or operating manuals may require gal/min \text{gal/min} .

Can Gallons per minute be converted back to Gallons per second?

Yes, the conversion can be reversed by dividing by 6060. If you know the value in gal/min \text{gal/min} , use gal/s=gal/min÷60 \text{gal/s} = \text{gal/min} \div 60 .

Does this conversion factor change based on the type of liquid?

No, the factor does not change because it is only a unit conversion between time intervals. The verified relationship remains 1gal/s=60gal/min1 \, \text{gal/s} = 60 \, \text{gal/min} regardless of the liquid.

Complete Gallons per second conversion table

gal/s
UnitResult
Cubic Millimeters per second (mm3/s)3785411.7842063 mm3/s
Cubic Centimeters per second (cm3/s)3785.4117842063 cm3/s
Cubic Decimeters per second (dm3/s)3.7854117842063 dm3/s
Cubic Decimeters per minute (dm3/min)227.12470705238 dm3/min
Cubic Decimeters per hour (dm3/h)13627.482423143 dm3/h
Cubic Decimeters per day (dm3/d)327059.57815543 dm3/d
Cubic Decimeters per year (dm3/a)119458510.92127 dm3/a
Millilitres per second (ml/s)3785.4117842063 ml/s
Centilitres per second (cl/s)378.54117842063 cl/s
Decilitres per second (dl/s)37.854117842063 dl/s
Litres per second (l/s)3.7854117842063 l/s
Litres per minute (l/min)227.12470705238 l/min
Litres per hour (l/h)13627.482423143 l/h
Litres per day (l/d)327059.57815543 l/d
Litres per year (l/a)119458510.92127 l/a
Kilolitres per second (kl/s)0.003785411784206 kl/s
Kilolitres per minute (kl/min)0.2271247070524 kl/min
Kilolitres per hour (kl/h)13.627482423143 kl/h
Cubic meters per second (m3/s)0.003785411784206 m3/s
Cubic meters per minute (m3/min)0.2271247070524 m3/min
Cubic meters per hour (m3/h)13.627482423143 m3/h
Cubic meters per day (m3/d)327.05957815543 m3/d
Cubic meters per year (m3/a)119458.51092127 m3/a
Cubic kilometers per second (km3/s)3.7854117842063e-12 km3/s
Teaspoons per second (tsp/s)768 tsp/s
Tablespoons per second (Tbs/s)256 Tbs/s
Cubic inches per second (in3/s)231.00106477053 in3/s
Cubic inches per minute (in3/min)13860.063886232 in3/min
Cubic inches per hour (in3/h)831603.83317392 in3/h
Fluid Ounces per second (fl-oz/s)128 fl-oz/s
Fluid Ounces per minute (fl-oz/min)7680 fl-oz/min
Fluid Ounces per hour (fl-oz/h)460800 fl-oz/h
Cups per second (cup/s)16 cup/s
Pints per second (pnt/s)8 pnt/s
Pints per minute (pnt/min)480 pnt/min
Pints per hour (pnt/h)28800 pnt/h
Quarts per second (qt/s)4 qt/s
Gallons per minute (gal/min)60 gal/min
Gallons per hour (gal/h)3600 gal/h
Cubic feet per second (ft3/s)0.1336806244556 ft3/s
Cubic feet per minute (ft3/min)8.020837467337 ft3/min
Cubic feet per hour (ft3/h)481.25024804022 ft3/h
Cubic yards per second (yd3/s)0.004951126961594 yd3/s
Cubic yards per minute (yd3/min)0.2970676176956 yd3/min
Cubic yards per hour (yd3/h)17.824057061738 yd3/h

Volume flow rate conversions