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Pipe Flow Rate Calculator

Determine volumetric flow rate through a pipe using the Hazen-Williams equation for water distribution systems. Used by civil and mechanical engineers to size pipes and diagnose pressure loss.

Pipe Diameter (m)

Pipe Length (m)

Head Loss (m)

Hazen-Williams C Factor

Result Units

Fill in the required fields to see your result.

Engineering

HVAC Heat Load Calculator

Estimates the heating or cooling load for a room or building in BTU/hr based on floor area, ceiling height, insulation quality, temperature difference, and window area. Use it to size furnaces, air conditioners, and heat pumps.

Floor Area (sq ft)

Ceiling Height (ft)

Insulation Level

Temperature Difference (°F)

Window Area (sq ft)

Fill in the required fields to see your result.

Key differences

	Pipe Flow Rate Calculator	HVAC Heat Load Calculator
Category	Engineering	Engineering
Inputs required	5	5
Result	Flow Rate (L/s)	Total Heat Load (BTU/hr)
What it does	Determine volumetric flow rate through a pipe using the Hazen-Williams equation for water distribution systems. Used by civil and mechanical engineers to size pipes and diagnose pressure loss.	Estimates the heating or cooling load for a room or building in BTU/hr based on floor area, ceiling height, insulation quality, temperature difference, and window area. Use it to size furnaces, air conditioners, and heat pumps.