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Both calculators run independently — change the inputs on either side to compare results.

Fluid Flow Calculator

Computes volumetric flow rate, dynamic pressure, and total Bernoulli head for fluid moving through a pipe. Use it when sizing pumps, analysing pipe systems, or solving fluid mechanics problems.

Pipe Diameter (m)

Fluid Velocity (m/s)

Fluid Density

Pressure Difference (Pa)

Height Difference (m)

Fill in the required fields to see your result.

Physics

Thin Lens Calculator

Compute image distance, magnification, or lens power for converging and diverging thin lenses. Perfect for optics coursework, camera design, and eyeglass prescription analysis.

Object Distance (cm)

Focal Length (cm)

Lens Type

Fill in the required fields to see your result.

Key differences

	Fluid Flow Calculator	Thin Lens Calculator
Category	Physics	Physics
Inputs required	5	3
Result	Volumetric Flow Rate (m³/s)	Image Distance (cm)
What it does	Computes volumetric flow rate, dynamic pressure, and total Bernoulli head for fluid moving through a pipe. Use it when sizing pumps, analysing pipe systems, or solving fluid mechanics problems.	Compute image distance, magnification, or lens power for converging and diverging thin lenses. Perfect for optics coursework, camera design, and eyeglass prescription analysis.