Plumbing Calculators

Proper plumbing sizing ensures adequate water pressure, prevents pipe failures, and keeps your household running smoothly. Undersized pipes mean weak showers; an undersized water heater means cold mornings.

Use our free plumbing calculators to get the right pipe diameter and water heater capacity for your specific needs.

Pipe Size Calculator

Determine the correct pipe diameter based on flow rate and fixture count.

Water Heater Size Calculator

Calculate the right water heater capacity for your household needs.