Best Flow Test Calculator Apps

Hydrant Flow Test Calculator

Compute hydrant flow test data

Free

This tool simplifies hydrant flow testing by calculating total GPM from pitot pressures. It allows for outlet settings, flow extrapolation with a Supply vs Demand curve, and plotting demand points for PASS/FAIL results. Save test data with location and project details for future reference.

Pipe Flow Wizard - Calculator

Flow Rate & Pressure Loss Calc

Free

Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.

SCADACore AGA Flow Calculator

by SCADACore Inc.

Free

Calculate gas flow through an Orifice Meter using AGA 8 compressibility and AGA 3 flow calculations. Supports both metric and imperial units, remembers input values, and generates shareable PDF reports.

Pipe Flow Liquid Pressure Drop

Find Loss, Friction Loss Calc

Free

This app calculates friction and fitting losses in liquid flow systems using the Darcy-Weisbach equation. It offers extensive databases for fluids, pipes, and fittings, with customizable units and reporting options. Verified against published data, it's designed for engineers needing accurate pressure drop calculations.

Flow Rate Help

Velocity + Diameter Calculator

$0.99

Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.

Orifice Flow Rate Calculator

Natural Gas

Free

Easily calculate natural gas orifice flow rates using the AGA 3 standard. This utility app allows users to determine MCF production for a given duration, save calculations, and export data to CSV. It functions offline, requiring no cell service.

Moody Chart Calculator

by Ali Batayneh

Free

This utility app calculates a friction factor based on Reynolds Number and Relative Roughness. It provides a straightforward tool for engineering calculations.

Pipe Flow Liquid Flow Rate

Find Flow, Friction Loss Calc

Free

Calculate fluid flow rate in pipes, including friction and fitting losses, using accurate engineering equations. Features extensive databases for liquids, pipes, and fittings, with customizable units and reporting options.

Flow Conversions

Water flow conversions

Free

Easily convert water flow rates between various units of measurement. This utility app provides a straightforward way to calculate and understand different flow rate values.

Stack Testers Flow Friend

Stack testing mobile toolkit.

Free

This mobile toolkit assists environmental engineers with on-site calculations for stack testing. Quickly determine velocity and volume flow by inputting stack size and gas conditions, eliminating the need for manual calculations or laptops. It also aids in calculating differential pressure cell mA output for data logging.

Neptune Slurry Calculator

Slurry Calculator

Free

Calculate essential slurry and pump parameters for the sand and aggregate industries. This tool offers dynamic head, horsepower, mass balance, and flow calculations, along with unit conversions.

Uniform Flow Light

by YamaSoftPLanning,Ltd.

Free

Calculate water channel flow parameters like surface width, area, and velocity. The free version supports circular and rectangular channel shapes.

Water Demand Calculator

Calculate Peak Water Demand

Free

This tool helps engineers and plumbers accurately size water systems by calculating peak water demand. It accounts for water-efficient fixtures and appliances, allowing for custom flow rate adjustments and the addition of unlisted fixtures. Results can be saved and emailed.