Plumbing tools
Pipe sizing and pump duty made simple.
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Plumbing Quote Builder
Price materials and labor into a professional PDF quote.
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Plumbing Invoice Builder
Invoice a job — or turn a quote into an invoice.
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Plumbing Purchase Order
Order materials from suppliers as a branded PDF purchase order.
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Plumbing Job Card
Log on-site work, parts and hours — sign-off ready.
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Pipe Size Calculator
Pipe diameter for a required flow rate.
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Pump Head Calculator
Total head a pump must overcome.
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Drain Slope Calculator
Fall and gradient for a drainage pipe run.
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Water Heater (Geyser) Size Calculator
Cylinder litres for your household’s hot water.
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Water Heating Time & Cost Calculator
How long a water heater takes to heat — and what it costs.
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Pipe Volume Calculator
Litres of water held in a pipe run.
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Rainwater Tank Size Calculator
Tank litres from your roof, rainfall and usage.
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Water Pressure Converter
Convert psi, bar, kPa and feet of head.
Open toolExequtechOS
Do the whole job in one place
A calculation is just the start. ExequtechOS takes it from estimate to quote, job card, invoice and paid — for your whole team.
Get started with ExequtechOS- Turn these numbers into a client-ready quote
- Job cards, invoicing & inventory in one place
- Works offline in the field, syncs when you’re back