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Pipe Flow Calculator (Hazen-Williams)

Determine water flow rate and velocity in pressurized pipes using the Hazen-Williams empirical equation. Ideal for civil engineers sizing water mains, irrigation lines, or fire-suppression systems.

Pipe Diameter (mm)

Pipe Length (m)

Head Loss (m)

Hazen-Williams Coefficient

Fill in the required fields to see your result.

Civil

Foundation Bearing Capacity Calculator

Calculate the safe bearing capacity of a shallow foundation given soil properties and foundation geometry. Essential for geotechnical engineers sizing footings to prevent shear failure or excessive settlement.

Soil Cohesion (kN/m²)

Internal Friction Angle (degrees)

Soil Unit Weight (kN/m³)

Foundation Depth (m)

Foundation Width (m)

Factor of Safety

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Key differences

	Pipe Flow Calculator (Hazen-Williams)	Foundation Bearing Capacity Calculator
Category	Civil	Civil
Inputs required	4	6
Result	Flow Rate (L/s)	Safe Bearing Capacity (kN/m²)
What it does	Determine water flow rate and velocity in pressurized pipes using the Hazen-Williams empirical equation. Ideal for civil engineers sizing water mains, irrigation lines, or fire-suppression systems.	Calculate the safe bearing capacity of a shallow foundation given soil properties and foundation geometry. Essential for geotechnical engineers sizing footings to prevent shear failure or excessive settlement.