Plumbing Directory In Construction & Engineering

Calculate the CFM rating needed for a bathroom exhaust fan from room volume.

Calculate the required slope for drain pipes using code-minimum grade per foot.

Calculate pipe size with inputs, formulas, and instant results.

Calculate gutter size and downspout spacing from roof area and local rainfall intensity.

Determine septic tank size requirements from bedroom count and daily wastewater flow.

Calculate the right sump pump size from pit dimensions, water inflow rate, and head height.

Size a tankless water heater from peak flow rate and temperature rise requirements.

Determine water main pipe size from fixture count, demand, and street pressure.

Calculate water pressure with inputs, formulas, and instant results.

Calculate salt usage and refill frequency for water softeners from hardness and household size.

Size water supply pipes based on fixture count and flow demand using code tables.