🔧
Plumbing Calculators
Pipe sizing, flow rate, and drain slope calculators.
Water Heater Size Calculator
PlumbingFind the right water heater size (gallons or BTU) for your household based on peak hour demand.
Open calculator →
Pipe Size Calculator
PlumbingFind the correct pipe diameter for water supply lines based on flow rate (GPM) and velocity limits.
Open calculator →
Drain Slope Calculator
PlumbingCalculate the required drop for drain pipes to achieve proper slope. Ensures code-compliant gravity drainage.
Open calculator →