🧮 Plumbing Calculators

30+ free online calculators for accurate plumbing measurements and specifications

🔵 Pipe Tools 💧 Water Tools 🔥 Heating Tools 📐 Drainage Tools 🛁 Tank Tools 🔄 Conversion Tools 💦 Leak Tools 🛠️ Installation 💰 Billing 🛡️ Safety

🔵 Pipe Tools

📏

Pipe Diameter Calculator

Calculate optimal pipe diameter based on flow rate and velocity requirements.

Use Calculator →
🧮

Pipe Volume Calculator

Calculate the volume of water in pipes based on diameter and length.

Use Calculator →
🌊

Flow Rate Calculator

Solve for flow rate, velocity, or pipe diameter with this versatile tool.

Use Calculator →
📐

Pipe Length Estimator

Estimate total pipe length needed for your plumbing project.

Use Calculator →
🔗

Fitting Count Calculator

Calculate the number of fittings needed for your pipe run.

Use Calculator →
⚖️

Pipe Weight Calculator

Calculate the weight of pipe based on material, diameter, and length.

Use Calculator →

💧 Water Tools

💧

Water Pressure Calculator

Determine water pressure at different elevations and configurations.

Use Calculator →
🌡️

GPM Calculator

Calculate gallons per minute based on pipe size and pressure.

Use Calculator →
📉

Head Loss Calculator

Calculate pressure loss due to friction in pipe runs.

Use Calculator →
💦

Water Velocity Calculator

Calculate water flow velocity in pipes.

Use Calculator →

🔥 Heating Tools

🔥

BTU Calculator

Calculate heating BTU requirements for accurate system sizing.

Use Calculator →
🏠

Heat Loss Estimator

Estimate heat loss for proper heating system sizing.

Use Calculator →
🪵

Radiator Sizing Calculator

Calculate radiator size needed for your room.

Use Calculator →

📐 Drainage Tools

📐

Slope Calculator

Calculate proper drainage slope for compliant installations.

Use Calculator →
🔍

Drain Pipe Sizing Calculator

Determine correct drain pipe size based on fixtures.

Use Calculator →
🚿

Fixture Count Calculator

Calculate drainage fixture units for building drains.

Use Calculator →

🛁 Tank Tools

🛁

Water Heater Size Calculator

Find the perfect water heater size for your household.

Use Calculator →
🧴

Tank Capacity Calculator

Calculate the capacity of cylindrical tanks.

Use Calculator →

🔄 Conversion Tools

📏

Pipe Size Converter

Convert between different pipe size standards (NPT, metric, etc.)

Use Calculator →
📊

Pressure Converter

Convert between PSI, bar, kPa, and other pressure units.

Use Calculator →
🌡️

Temperature Converter

Convert between Fahrenheit, Celsius, and Kelvin.

Use Calculator →

💦 Leak Tools

💧

Leak Rate Calculator

Calculate leak rate based on pressure drop and time.

Use Calculator →
📉

Pipe Volume Loss Calculator

Calculate water volume loss from leaks over time.

Use Calculator →

🛠️ Installation Tools

📐

Pipe Length Estimator

Estimate total pipe length needed for projects.

Use Calculator →
🔗

Fitting Count Calculator

Calculate fittings needed for pipe runs.

Use Calculator →

💰 Billing Tools

💵

Water Bill Estimator

Estimate your water bill based on usage.

Use Calculator →
📊

Water Usage Tracker

Track and project your water consumption.

Use Calculator →

🛡️ Safety Tools

🔄

Backflow Calculator

Calculate backflow prevention requirements.

Use Calculator →
⚠️

Siphonage Estimator

Estimate trap seal loss due to siphonage.

Use Calculator →
↑