Water and Waste Management
250 Formulas for engineers
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
WATER & WASTE MANAGEMENT, part of MultiEducator's "Formulator" line, is the
essential tool for any Water & Waste Management engineer or engineering
student. This comprehensive application contains over 245 specialized
engineering formulas covering all major areas of water and wastewater
engineering, plus nearly 900 conversion formulas — over 1,100 formulas in
total.
Engineering categories include: Water Flow, Groundwater, Sewage Treatment,
Pollution, Activated Sludge & Sludge Digestion, Water Supply, Facilities
(Chemical Dosing, Distribution, Disinfection & Laboratory), Storm Runoff,
Sewer Pipe, Waste (Gases, Liquid & Solid), River Pollution, Hydraulics
(Hazen-Williams, Darcy-Weisbach, Bernoulli), Pumping (Horsepower, NPSH,
Affinity Laws), Water Treatment (Chlorine Dosage, CT Values, Chemical Feed
Rates, Filtration), and Wastewater Operations (BOD Loading, SVI, F/M Ratio,
MCRT, Detention Time, Removal Efficiency).
The app also includes conversion calculators for Area & Volume, Pressures,
Linear Measure, Weights, Liquid Measures, Cubic Measures, BTU, Horsepower,
Watts, Power, Hydraulic, HVAC, Flows, and over 460 Metric conversions — plus
eight temperature scale converters.
All formulas display results in both US and Metric units with a single toggle.
Calculations can be saved, exported, and shared. Toggle between US and Metric
units instantly. If you need a formula we haven't included, just email us and
we'll add it in the next update.
Minor bug fix
The developer, Historycentral.com, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Historycentral.com Inc
- Size
- 18.9 MB
- Category
- Productivity
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Water & Waste Pro $4.99
- Copyright
- © 2026 Historycentral.com
