# Hydraulics and Waterworks Calc — Aquifer,weir,Capillar,Siphon

> Hydraulics and waterworks engineering calculation tool with 94 calculators. (iPhone/iPad app by V PUGAZHENTHI.)

- Source: https://appshunter.io/ios/app/hydraulics-and-waterworks-calc/id602612855 (this page in markdown: same URL + `.md`)
- Developer: [V PUGAZHENTHI](https://appshunter.io/developer/491898049)
- Category: Productivity, Education
- Price: $4.99
- Rating: 4.17/5 from 12 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.1 · 4 MB
- Languages: Dutch, English, French, German, Italian, Portuguese, Chinese, Spanish
- Released: 2013-02-19
- Data updated: 2026-07-16
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/hydraulics-and-waterworks-calc/id602612855/reviews.md

## What is Hydraulics and Waterworks Calc?

The Hydraulics Calculator offers 94 calculators 
to simplify your hydraulics, waterworks, and 
civil engineering calculations — available in 
both Metric (SI) and Imperial (USCS) units.

Key Features:

Smart auto-fill pickers for pipe materials, 
fluid properties, channel linings, soil types, 
pipe fittings, orifice/weir coefficients and 
runoff coefficients
Flow regime indicators — Froude number 
(Subcritical/Critical/Supercritical) and 
Reynolds number (Laminar/Transitional/Turbulent)
Hydraulic jump classification
Built-in reference tables for all material 
and fluid properties

General Hydraulics
- Capillary Rise
- Viscosity / Kinematic Viscosity
- Hydrostatic Pressure
- Pressure Head / Velocity Head / True Velocity Head
- Specific Energy Head / Head Loss (Bernoulli Equation)
- Total Energy (Elemental Volume of Fluid)
- Total Head of Flowing Fluid
- Average Velocity of Flow
- Summation of Forces (X direction)

Dimensionless Numbers
- Froude Number
- Reynolds Number
- Weber Number

Friction Losses
- Head Loss due to Friction (General / Darcy-Weisbach)
- Chezy Velocity / Chezy Coefficient
- Manning Flow Velocity (including pipe diameter)
- Flow Rate, Head Loss, and Pipe Diameter (Manning)
- Hazen-Williams Flow Velocity and Friction Loss

Pipe Flow and Fittings
- Head Loss across Pipe Diameter Changes
- Brightmore Equation for Pipe Contractions
- Head Loss from Pipe Fittings
- Loss Coefficient

Orifice and Fluid Flow
- Orifice Flow Rate / Coefficient of Contraction
- Initial Velocity of Fluid Jets
- Gage Pressure in Conical Tubes
- Wave Velocity in Pipes (Water Hammer)
- Pipe Material Stress
- Section Factor

Hydraulic Jumps
- Force, Momentum Change, and Head Loss

Temperature Effects on Pipes
- Stress and Length Movement due to Temperature

Culverts and Channels
- Elevation Differences (Headwater and Tailwater)
- Velocity and Flow Rates in Culverts
- Open Channel Flow — Rectangular, Triangular,
  Parabolic, and Trapezoidal Channels

Circular Channels
- Cross-Sectional Area, Critical Depth,
  Top Width, and Flow Rate

Weirs
- Flow Rate — Rectangular, Triangular,
  Trapezoidal, and Broad Crested Weirs

Sediment and Water Movement
- Sediment Transport (Schoklitsch Formula)
- Evaporation Rate (Meyer Equation)
- Wind Factor

Rainfall and Groundwater
- Peak Discharge (Rational Formula)
- Rainfall Intensity (Steel Formula)
- Groundwater Flow (Darcy's Law)

Specialized Calculations
- Fire Demand Rate
- Gravity and Artesian Well Flow Rates
- Economic Pipe Diameter
- Venturi Flow Meter
- Power from Water Flow

## Key features

- 94 specialized calculators
- Metric and Imperial unit support
- Smart auto-fill pickers
- Flow regime indicators
- Built-in reference tables
- Hydraulic jump classification

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/hydraulics-and-waterworks-calc/id602612855/reviews.md

### 1/5 — Waste of money

*2015-07-04*

Don't bother downloading this and wasting your money. You still need to calculate simple things that should be built into the software. Some of the formulas are wrong or give incorrect answers especially the rational method.

## Frequently asked questions about Hydraulics and Waterworks Calc

### What is Hydraulics and Waterworks Calc?

Hydraulics and Waterworks Calc is a paid application offering 94 calculators for various hydraulics, waterworks, and civil engineering computations. It supports both Metric (SI) and Imperial (USCS) units and was last updated on May 14, 2026.

### What kind of calculations can I perform with Hydraulics and Waterworks Calc?

You can perform a wide range of calculations including capillary rise, head loss, friction losses, orifice flow, culvert flow, weir flow, sediment transport, and groundwater flow. It also includes calculations for dimensionless numbers like Froude and Reynolds numbers.

### Does Hydraulics and Waterworks Calc have ads?

No, Hydraulics and Waterworks Calc does not contain advertisements. It is a paid application designed to provide an uninterrupted user experience for engineering calculations.

### What devices is Hydraulics and Waterworks Calc compatible with?

Hydraulics and Waterworks Calc is available for iPhone and iPad devices. It is suitable for users who need to perform calculations on the go.

### How often is Hydraulics and Waterworks Calc updated?

The application was last updated on May 14, 2026, indicating a commitment to maintaining and improving its features. The current version is 7.2.

### What is the price of Hydraulics and Waterworks Calc?

Hydraulics and Waterworks Calc is available for a one-time purchase of $4.99. This price grants access to all 94 calculators and features without any recurring fees.

### What is the age rating for Hydraulics and Waterworks Calc?

Hydraulics and Waterworks Calc has an age rating of 4+. This indicates it is suitable for a broad audience, including younger users who may be learning about engineering concepts.

### How does Hydraulics and Waterworks Calc handle different unit systems?

The application supports both Metric (SI) and Imperial (USCS) units, allowing users to perform calculations according to their specific project requirements or regional standards.

## Version history (last 5 releases)

### 7.2 — 2026-05-14

- Smart auto-fill pickers for pipe materials, 
  fluids, soils, fittings and runoff coefficients
- Flow regime indicators — Froude, Reynolds 
  and Hydraulic Jump classification

### 7.1 — 2025-02-15

- Fixed an issue where some calculators were not working properly on iPhone devices running lower iOS versions.

### 7.0 — 2025-01-22

• Optimized for iOS 18 compatibility.
 • Updated interface for improved performance and usability.

### 6.2 — 2022-04-18

- The formulas are presented in a structured format for better understanding.

### 6.0 — 2020-11-22

- updated for iOS 14
- fixed an error in Peak Discharge (Rational Formula)

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All apps by V PUGAZHENTHI: https://appshunter.io/developer/491898049

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-16.*