Best Water Flow Calculators Apps

Flow Test Calculator

by Larry Owens

Free

Calculate hydrant flow rates and determine maximum water system flow. This tool uses a standard variation of the Hazen-Williams formula for calculations. Imperial units are currently supported, with metric coming soon.

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.

Bell & Gossett - SystemSyzer

by Xylem Inc.

Free

This HVAC tool aids in piping system design, offering calculators for friction loss, velocity, and heat load. It includes a Cv tool and a specialized calculator for balancing contractors to determine valve settings and flow rates.

Water Distribution Calculator

Water Formula

Free

This tool simplifies water management by calculating water horsepower, brake horsepower, cost analysis, and motor horsepower. It offers instant, accurate results for field use, helping operators streamline workflows and make informed decisions.

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.

Pipe Flow Liquid Pipe Diameter

Find Size, Friction Loss Calc

Free

This app calculates the minimum internal pipe diameter required for a specific flow rate and maximum pressure loss. It offers comprehensive results, customizable databases for materials and fluids, and generates professional reports.

ERG 2020

by National Library of Medicine

Free

This app provides first responders with critical information for hazmat accidents. It offers an indexed list of dangerous goods, their hazards, and safety precautions to guide immediate response efforts.

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.

Water BoD-I-Y Calculator

water body calculator

Free

This app provides professional-grade tools for calculating water storage needs, from rainwater harvesting to designing retention systems. It offers eight essential calculators for various water management scenarios, supporting both imperial and metric units. Ideal for homesteaders, gardeners, and students, it works offline and uses industry-standard formulas.

HydroCalc - Manning Calculator

Open Channel Flow Calculator

$2.99

This tool calculates open channel and pipe flow using the Manning equation. It's designed for engineers, designers, and students to quickly evaluate hydraulic conditions without manual calculations or spreadsheets. The app works offline and supports various input options for flexible use.