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

Transformer Losses Calculator

Calculate the operating efficiency of a power transformer at any load factor, accounting for both iron (no-load) and copper (load-dependent) losses. Use this to compare transformer performance and estimate energy costs.

Rated Power (kVA)

Load Factor

Power Factor

No-Load Losses (Iron) (kW)

Full-Load Losses (Copper) (kW)

Fill in the required fields to see your result.

Engineering

Pipe Pressure Drop Calculator

Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout.

Friction Factor

Pipe Length (m)

Pipe Diameter (m)

Flow Velocity (m/s)

Fluid Density (kg/m³)

Fill in the required fields to see your result.

Key differences

	Transformer Losses Calculator	Pipe Pressure Drop Calculator
Category	Engineering	Engineering
Inputs required	5	5
Result	Transformer Efficiency (%)	Pressure Drop (Pa)
What it does	Calculate the operating efficiency of a power transformer at any load factor, accounting for both iron (no-load) and copper (load-dependent) losses. Use this to compare transformer performance and estimate energy costs.	Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout.