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Unit converters · Fluid

Flow rate converter

Convert volumetric flow rate between liters/second, gallons/minute, and dozens more units.

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How it works

Two steps, no account

1

Pick your units

Metric volume-per-time, US/UK gallons, oilfield barrels, or mass-flow of gasoline at 15.5°C.

2

Enter a value

The result updates instantly as you type, or as soon as you change either unit.

FAQ

Common questions

Is my data sent anywhere?
No. The conversion runs entirely in your browser — nothing is transmitted, logged, or stored.
What does "Gasoline at 15.5°C" mean for the mass-flow units?
The pound and kilogram mass-flow units in this converter assume gasoline's density at 15.5°C to translate between mass and volume. Actual fuel density varies by blend and temperature, so treat these as approximate.
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Flow Rate Converter

Our Flow Rate Converter helps you convert between different units of flow rate. Convert between metric, imperial, and industry-specific flow measurements with precision.

How to Use the Converter

1. Enter Value

  • Input your flow rate value
  • Select source unit
  • Choose target unit
  • View instant conversion

2. Available Units

Metric Units

  • Cubic meter per second (m³/s)
  • Cubic meter per day (m³/d)
  • Cubic meter per hour (m³/h)
  • Liter per second (L/s)
  • Milliliter per minute (mL/min)

Imperial/US Units

  • Gallon (US) per minute
  • Gallon (UK) per hour
  • Cubic foot per second
  • Cubic inch per minute

Industry Units

  • Barrel per day (bbl/d)
  • Acre-foot per year
  • Hundred cubic feet per day
  • Mass flow rates (kg/s, lb/h)

Key Features

Conversion Options

  • 50+ flow rate units
  • Time-based rates
  • Volume-based flows
  • Mass flow rates

Unit Categories

  1. Volume Flow

    • Cubic units
    • Liquid measures
    • Industrial standards
  2. Mass Flow

    • Gasoline flows
    • Weight-based rates
    • Temperature specific
  3. Time Bases

    • Per second
    • Per minute
    • Per hour
    • Per day

Use Cases

1. Industrial Applications

  • Pipeline design
  • Pump specifications
  • Process control
  • System monitoring

2. Engineering

  • HVAC systems
  • Water treatment
  • Oil and gas
  • Chemical processing

3. Utilities

  • Water supply
  • Gas distribution
  • Fuel delivery
  • Flow monitoring

Technical Features

  • Precision: High accuracy calculations
  • Real-Time: Instant conversions
  • Copy Function: Easy result sharing
  • Mobile Responsive: Works on all devices

Why Use Our Converter

1. Comprehensive Coverage

  • Multiple industries
  • International units
  • Common standards
  • Specialized rates

2. User-Friendly Design

  • Clear interface
  • Easy selection
  • Instant results
  • Copy functionality

3. Professional Accuracy

  • Precise calculations
  • Standard compliance
  • Verified conversions
  • Industry specific

Understanding Flow Rates

Common Applications

  1. Process Industry

    • Flow monitoring
    • Rate control
    • System design
    • Capacity planning
  2. Utility Services

    • Water distribution
    • Gas supply
    • Oil transport
    • Fuel delivery
  3. Environmental

    • Water management
    • Discharge monitoring
    • Treatment systems
    • Conservation planning

Best Practices

  1. Unit Selection

    • Choose appropriate units
    • Consider industry standards
    • Match specifications
    • Verify accuracy
  2. Conversion Process

    • Check base units
    • Verify calculations
    • Document changes
    • Maintain precision

Remember: Accurate flow rate conversions are crucial for engineering design, process control, and system monitoring across various industries.