Darcy-Weisbach Equation Calculators

➔ Calculate Head Loss
➔ Calculate Acceleration Of Gravity
➔ Calculate Pipe Diameter
➔ Calculate Friction Factor
➔ Calculate Pipe Length
➔ Calculate Flow Velocity

Calculate Head Loss


HL = Head Loss
F = Friction Factor
V = Flow Velocity
L = Pipe Length
D = Pipe Diameter
g = Acceleration Of Gravity

Friction Factor:
Pipe Length:
Pipe Diameter:
Flow Velocity:
Acceleration Of Gravity:
Head Loss:
Foot

Calculate Acceleration Of Gravity


g = Acceleration Of Gravity
F = Friction Factor
V = Flow Velocity
L = Pipe Length
D = Pipe Diameter
HL = Head Loss

Friction Factor:
Head Loss:
Pipe Length:
Pipe Diameter:
Flow Velocity:
Acceleration Of Gravity:
Foot/Second

Calculate Pipe Diameter


D = Pipe Diameter
F = Friction Factor
V = Flow Velocity
L = Pipe Length
g = Acceleration Of Gravity
HL = Head Loss

Friction Factor:
Head Loss:
Pipe Length:
Flow Velocity:
Acceleration Of Gravity:
Pipe Diameter:
Foot

Calculate Friction Factor


F = Friction Factor
D = Pipe Diameter
HL = Head Loss
g = Acceleration Of Gravity
L = Pipe Length
V = Flow Velocity

Head Loss:
Pipe Length:
Pipe Diameter:
Flow Velocity:
Acceleration Of Gravity:
Friction Factor:

Calculate Pipe Length


L = Pipe Length
D = Pipe Diameter
HL = Head Loss
g = Acceleration Of Gravity
F = Friction Factor
V = Flow Velocity

Friction Factor:
Head Loss:
Pipe Diameter:
Flow Velocity:
Acceleration Of Gravity:
Pipe Length:
Foot

Calculate Flow Velocity


V = Flow Velocity
D = Pipe Diameter
HL = Head Loss
g = Acceleration Of Gravity
F = Friction Factor
L = Pipe Length

Friction Factor:
Head Loss:
Pipe Length:
Pipe Diameter:
Acceleration Of Gravity:
Flow Velocity:
Foot/Second

  • Head Loss: The Darcy-Weisbach equation can be used to determine head loss due to friction in a pipe, which is important for assessing pressure loss in fluid flow.

  • Acceleration of Gravity (g): This is a constant used in the equation and is typically 9.81 m/s² (standard value on Earth).

  • Pipe Diameter: The diameter of the pipe affects the flow rate and head loss. You can use the equation to solve for the pipe diameter if other variables are known.

  • Friction Factor: This factor depends on the Reynolds number and the relative roughness of the pipe. It determines how much frictional resistance the fluid faces as it flows.

  • Pipe Length: The length of the pipe plays a significant role in determining the total head loss due to friction. Longer pipes result in higher losses.

  • Flow Velocity: This refers to how fast the fluid is moving through the pipe, and it influences both the Reynolds number and head loss.