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Plumbing Calculators & Articles

Free online Plumbing calculators and engineering guides for MEP professionals. Standard-based formulas, worked examples and practical site tips.

⚡ All Plumbing Calculators 8📘 All Plumbing Articles 0

All Plumbing Calculators

Standard-based tools with PDF results. Free to use, no signup.

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Plumbing

Borewell Pump HP Calculator

Find the right borewell pump HP from water level, delivery height, flow and efficiency, with motor current and a downloadable PDF result.

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Plumbing

Daily Water Demand Calculator

Estimate the daily water demand of a building from occupancy, landscaping and losses, with domestic and flushing split and storage volume.

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Plumbing

Pipe Sizing Calculator

Find the pipe diameter and standard size for a water flow and design velocity, or check the velocity and flow of an existing pipe.

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Plumbing

Pump Head (TDH) and Pump Power Calculator

Calculate the total dynamic head (TDH) of a pump from flow, pipe size, length and levels, and find the pump shaft power and the motor size.

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Plumbing

STP Size Calculator

Find the sewage treatment plant (STP) size in KLD from building occupancy, with peak flow, reactor volume and equalization tank volume.

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Plumbing

Water Tank Filling Time Calculator

Find how long a water tank takes to fill, or the flow needed to fill it in a set time, with outflow, partial levels and a PDF result.

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Plumbing

Water Tank Size Calculator (OHT and Underground)

Find the size of an overhead tank (OHT) or underground tank from daily water demand, or find the capacity of a rectangular or cylindrical tank from its dimensions.

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Plumbing

WTP Size Calculator

Find the water treatment plant (WTP) size from building occupancy, with raw water flow, filter diameter, raw water tank volume and chlorine need.

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All Plumbing Articles

Guides, tutorials and design basics from site to office.

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We are writing practical guides and tutorials for this category. Fresh articles will be published here very soon.
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