Hydraulics Calculator

Hydraulics Calculator contains 126 Calculators and Converters, that can quickly and easily calculate and convert different Hydraulics, Water works and Civil Engineering parameters.
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* Available in Metric and Imperial Units ***

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* Available in English, Français, Español, Italiano, Deutsch, Português & Nederlands ***


• Capillary Rise
• Viscosity
• Kinematic Viscosity
• Hydrostatic Pressure
• Pressure Head
• Velocity Head
• True Velocity Head
• Specific Energy Head
• Head Loss (Bernoulli Equation)
• Total Energy
- Elemental Volume of Fluid
• Total Head of Flowing Fluid
• Average Velocity of Flow
• Summation of all Forces (X direction)


• Froude Number
• Reynolds Number
• Weber Number
• Head Loss due to Friction
• Head Loss due to Friction (Darcy-Weisbach Formula)
• Chezy Velocity
• Chezy Coefficient


• Manning Flow Velocity
• Manning Flow Velocity using Pipe Diameter
• Flow Rate (Manning Formula)
• Head Loss due to Friction (Manning Formula)
• Pipe Diameter (Manning Formula)


• Mean Flow Velocity (Hazen-Williams)
• Mean Flow Velocity
- Pipes Flowing Full (Hazen-Williams)
• Fluid Flow Rate (Hazen-Williams)
• Head Loss due to Friction (Hazen-Williams)
• Pipe Diameter (Hazen-Williams)


• Head Loss across a sudden enlargement of Pipe Diameter (Bernoulli Equation & Archer Equation)
• Head Loss due to Gradual Conical Enlargement
• Head Loss across a sudden contraction of Pipe
• Head Loss across a sudden contraction of Pipe (Brightmore Equation)
• Head Loss
- Pipe Fittings


• Loss Coefficient
• Orifice Flow Rate
• Coefficient of Contraction
• Initial Velocity of Fluid Jets
• Gage Pressure at Tube Entrance (Conical Tubes)
• Velocity of Wave in a Pipe (Water Hammer)
• Internal Pressure in Pipe
• Stress on Pipe Material
• Section Factor
• Critical Depth of Flow
- Open Channel Flow


• Force
- Hydraulic Jump
• Rate of Change of Momentum
- Hydraulic Jump
• Head Loss
- Hydraulic Jump
• Stress on Pipe due to Temperature Change
• Movement in Length of Pipe due to Temperature Change
• Resultant Force on Bend in Pipe


• Elevation Difference between Headwater and Tailwater (Entrance and Exit Submerged)
• Velocity of Flow in Culvert (Entrance and Exit Submerged)
• Elevation Difference between Headwater and Tailwater (Entrance Submerged/Unsubmerged & Free Exit)
• Velocity of Flow in Culvert (Entrance Submerged/Unsubmerged & Free Exit)


• Flow Rate
- Open Channel Flow
• Average Velocity
- Rectangular Channels
• Critical Depth
- Rectangular Channels
• Flow Rate
- Rectangular Channels
• Discharge of Fluid per Unit Length
- Rectangular Channels
• Minimum Specific Energy
- Rectangular Channels


• Average Velocity
- Triangular Channels
• Critical Depth
- Triangular Channels
• Flow Rate
- Triangular Channels


• Average Velocity
- Parabolic Channels
• Critical Depth
- Parabolic Channels
• Flow Rate
- Parabolic Channels


• Average Velocity
- Trapezoidal Channels
• Critical Depth
- Trapezoidal Channels
• Flow Rate
- Trapezoidal Channels
• Minimum Specific Energy
- Trapezoidal Channels


• Area of Cross Section
- Circular Channels
• Critical Depth
- Circular Channels
• Top Width
- Circular Channels
• Flow Rate
- Circular Channels


• Flow Rate
- Rectangular Weir
• Flow Rate
- Triangular Weir (Notch Angle of 90 degrees)
• Flow Rate
- Triangular Weir (Notch Angle of 60 degrees)
• Flow Rate
- Triangular Weir (Notch Angle of 30 degrees)
• Flow Rate
- Trapezoidal Weir
• Flow Rate
- Broad Crested Weir


• Quantity of Sediment transported as Bed Load (Schoklitsch Formula)
• Evaporation Rate (Meyer Equation)
• Wind Factor
• Peak Discharge (Rational Formula)
• Rainfall Intensity (Steel Formula)


• Flow Rate
- Groundwater (Darcy's Law)
• Fire Demand Rate
• Flow Rate
- Gravity Well (Dupuit Formula)
• Flow Rate
- Artesian Well
• Economic Pipe Diameter
• Flow Rate
- Venturi Flow Meter
• Power obtained from Water Flow

Hydraulics Calculator also contains 32 Converters related to Hydraulics & Waterworks.