Skip to main content
ESTIMATION ENGINE: ONLINE

Find The Right Engineering Calculation

Search focused calculations for flow, chemistry, membranes, equipment, and treatment performance

01 — Browse By Task

Browse By Task

Choose the engineering action closest to the decision in front of you.

02 — Tool Library

Tool Library

One focused collection of engineering calculations, filtered by the question, task, or process context in front of you.

1–8 of 46

Filter by Category
Filter by Availability
Activated Carbon Sizing Analyze contaminant loading and calculate precise carbon usage rates and vessel geometry. Municipal Drinking Water Purification · Oxidation or Adsorption Seawater Desalination · Screening & Pretreatment High-Purity Water for Advanced Manufacturing · Pretreatment Available Adsorption Activated Sludge Designer Design conventional activated-sludge carbon removal, with optional nitrification, using one traceable biological calculation core. Available Wastewater Treatment Adsorption Isotherm Screening Screen Freundlich, Langmuir, and BET fits against laboratory data with separate mathematical-fit and physical-usability status. Municipal Drinking Water Purification · Oxidation or Adsorption PFAS / Activated Carbon Treatment · Adsorption Sizing Available Adsorption BNRMatrix Biological Nutrient Removal Screen A²/O biological nutrient removal sizing, recycle, solids, hydraulics, and preliminary aeration from declared influent and effluent targets. Available Wastewater Treatment Chemical Dosing Basis Calculator Calculate active-chemical demand and commercial-product feed separately, with explicit product purity/strength carried through continuous and batch results. Municipal / Industrial Wastewater Treatment · Chemical Systems Municipal Drinking Water Purification · Disinfection Seawater Desalination · Disinfection Available Chemistry Chemical Feed & Storage Designer Calculate active and commercial-product feed, solution volume, storage, and optional pump-capability screening per chemical. Municipal / Industrial Wastewater Treatment · Chemical Systems Municipal Drinking Water Purification · Municipal Drinking Water Purification Available Chemistry Chlorine / Chloramine CT & Residual Designer Calculate theoretical and baffled contact time, measured residual CT, and separate segment-based exposure summaries. Available Chemistry
Chlorine / Chloramine CT & Residual Designer — Wastewater Extension Add wastewater disinfection and dechlorination context to the current contact/residual screen without applying drinking-water CT credit. Municipal / Industrial Wastewater Treatment · Disinfection Coming Soon Wastewater Treatment
Clarifier Designer Screen clarifier geometry, surface overflow and weir loading, detention, and one-basin-out operation. Municipal / Industrial Wastewater Treatment · Primary Treatment Municipal Drinking Water Purification · Clarification & Filtration Available Tanks & Basins
Clarifier Designer — Secondary Wastewater Mode Add complete secondary-clarifier geometry and hydraulic checks with an explicit biological RAS/WAS and effluent-solids boundary. Municipal / Industrial Wastewater Treatment · Secondary Solids Separation Coming Soon Wastewater Treatment
Clearwell & Storage Turnover Designer Calculate storage turnover and an interval-by-interval clearwell inventory trajectory. Available Tanks & Basins Coagulation & Flocculation Designer Classify jar-test dose replicates, bounded screening interpolation, rapid-mix sizing, and flocculation hydraulics. Available Chemistry Cooling Tower Water Balance & LSI Calculator Calculate evaporation, drift, blowdown, and makeup water balance for cooling towers, with a Langelier Saturation Index model that dynamically flags scaling and corrosion risk in the circulating water. Available Tanks & Basins DAF Designer Screen dissolved-air flotation recycle hydraulics, loading, released-air mass, air-to-solids ratio, and contact time. Municipal / Industrial Wastewater Treatment · Primary Treatment Municipal Drinking Water Purification · Clarification & Filtration Available Tanks & Basins FluxMatrix Clarifier & Solids Separation Screen secondary-clarifier settling, solids flux, and RAS operating windows from basin geometry and loading conditions. Available Wastewater Treatment GAC Breakthrough & Bed-Life Designer Calculate browser-based GAC bed hydraulics and request authoritative empirical or Yoon–Nelson breakthrough results from the Worker. Municipal / Industrial Wastewater Treatment · Tertiary & Advanced Treatment Municipal Drinking Water Purification · Oxidation or Adsorption Available Adsorption Granular Media Filter Designer Review normal and one-filter-out loading, multilayer media headloss, and backwash water requirements. Available Water Treatment
Granular Media Filter Designer — Wastewater Tertiary Mode Adapt the current filter hydraulic, run, backwash, and clean-bed checks to wastewater tertiary service without claiming TSS removal. Municipal / Industrial Wastewater Treatment · Tertiary & Advanced Treatment Coming Soon Wastewater Treatment
High-Strength Anaerobic Wastewater Treatment Designer Screen a characterized, biodegradable high-strength industrial feed against a selected anaerobic reactor basis; treatability and post-treatment evidence remain explicit. Municipal / Industrial Wastewater Treatment · Biological Treatment & Nutrient Removal Coming Soon Wastewater Treatment
Industrial Physicochemical Pretreatment Designer Build an industrial conditioning and precipitation basis from declared titration, dose, removal, and provenance inputs. Package chemical demand, modeled solids, and downstream separation handoffs without predicting treatment performance. Available Wastewater Treatment Ion Exchange Preliminary Sizing & CEDI Proxy Retain preliminary ion-exchange resin sizing and regeneration chemistry while estimating aggregate CEDI ionic load/current; module and rectifier selection are not modeled. Available Chemistry NF System Designer Model nanofiltration mass balance with independent monovalent (salt) and divalent (hardness) rejection tracking across up to 3-stage arrays, plus a solver for the bypass blend needed to hit a target finished hardness. Municipal / Industrial Wastewater Treatment · Tertiary & Advanced Treatment High-Purity Water for Advanced Manufacturing · Pretreatment Available Membranes NutriMatrix Nutrient & Chemical Dosing Screen supplemental carbon, phosphorus precipitation, alkalinity, sludge impacts, and operating cost for wastewater treatment. Available Chemistry OxyMatrix — Aeration & Oxygen Transfer Engineering Evaluate biological oxygen demand, oxygen-transfer performance, diffuser air requirements and blower sizing for preliminary wastewater aeration design. Available Wastewater Treatment Ozone Dosing & CT Screening Size the ozone generator for a target applied dose, then run a preliminary CT comparison using water temperature, generic baffling, and residual inputs. Municipal Drinking Water Purification · Disinfection Seawater Desalination · Disinfection Available Chemistry PCFforge Piping Topology Workbench Review pipeline topology, guarded geometry corrections, branch continuity, and material take-offs from PCF or JSON models. Available Hydraulics Pipe Friction & Pressure Drop Calculator Model friction loss, fitting/valve losses, and elevation change for a single pipe run across common pipe materials, with temperature-dependent water properties. Municipal Drinking Water Purification · Distribution & Final Quality High-Purity Water for Advanced Manufacturing · Distribution & Monitoring Pipeline and Hydraulic Design · Equipment Selection Review Available Hydraulics Pipeline Air Valve Geometry Screening Run preliminary geometry screening for air-valve placement from pipe length or an elevation profile; airflow, pressure, capacity, HGL, and transient review remain required. Available Hydraulics Plant Water & Mass Balance Solve a plant-wide steady-state water and constituent balance across process, waste, and declared recycle streams. Municipal / Industrial Wastewater Treatment · Plant Water / Mass Balance Municipal Drinking Water Purification · Municipal Drinking Water Purification Available Water Treatment
Plant Water & Mass Balance — Wastewater Network Extension Extend the current one-constituent balance to named wastewater water, solids, recycle, transformation, and sidestream-return boundaries. Municipal / Industrial Wastewater Treatment · Plant Water / Mass Balance Coming Soon Wastewater Treatment
Pneumatic Actuator Torque Comparator Compare opening and closing valve torque requirements with entered air and spring torque curves across the full stroke; generic inputs do not select a final actuator. Available Mechanical / Equipment RO System Designer Model permeate flow, recovery ratio, and concentrate TDS across multi-stage RO arrays, with membrane fouling and osmotic pressure checks. Municipal / Industrial Wastewater Treatment · Tertiary & Advanced Treatment Seawater Desalination · Product & Concentrate Boundary High-Purity Water for Advanced Manufacturing · Reverse Osmosis Available Membranes Source Water Design Basis & Variability Build an observed source-water design basis with explicit data mapping, censoring policies, weighted statistics, and condition summaries. Available Water Treatment UF/MF System Designer Size an ultrafiltration or microfiltration membrane array from design flow, balance backwash water against system recovery, and lay out membrane trains with a live array topology visualization. Municipal / Industrial Wastewater Treatment · Tertiary & Advanced Treatment Municipal Drinking Water Purification · Clarification & Filtration Seawater Desalination · UF/MF Option Available Membranes Unit Converter Convert flow rate, pressure, concentration, membrane flux, and other water treatment engineering units instantly across 9 dedicated category converters. Municipal Drinking Water Purification · Distribution & Final Quality Seawater Desalination · Product & Concentrate Boundary PFAS / Activated Carbon Treatment · Pretreatment Available Utilities UV Disinfection Designer Use entered UVT capacity reference points to screen reactor count, standby units, and operating power. Available Water Treatment
UV Disinfection Designer — Wastewater Extension Add wastewater effluent quality and reactor validation context to the current UV capacity screen; no dose or pathogen credit is inferred. Municipal / Industrial Wastewater Treatment · Disinfection Coming Soon Wastewater Treatment
Wastewater Effluent, Reuse & Discharge Review Synthesize user-entered treatment results against declared reuse or discharge targets and show gaps; it will not provide legal or permit advice. Municipal / Industrial Wastewater Treatment · Effluent / Reuse / Discharge Review Coming Soon Wastewater Treatment
Wastewater Equalization Designer Review active equalization storage and operating inventory from an entered influent and controlled outlet schedule. Available Water Treatment
Wastewater Hydraulic Profile & Pumping Designer Extend plant HGL review to wastewater channels, control structures, flow cases, EGL/TDH, and declared pump-duty checks. Municipal / Industrial Wastewater Treatment · Hydraulics / Pumping Coming Soon Wastewater Treatment
Wastewater Influent Basis Convert wastewater flow and water-quality data into a hydraulic and mass-loading design basis for downstream treatment. Available Wastewater Treatment Wastewater Preliminary Treatment Designer Screen headworks flow cases, channel hydraulics, rated screen/grit capacity, redundancy, and optional screenings/grit handling from explicit project and vendor data. Available Water Treatment
Wastewater Sludge & Residuals Designer Combine primary sludge, biological WAS, chemical solids, and headworks/tertiary residuals, then screen thickening, dewatering, storage, handling, and returns. Municipal / Industrial Wastewater Treatment · Residuals & Sludge Coming Soon Wastewater Treatment
Water Stability & Carbonate Chemistry Calculate carbonate-only speciation and transparent pHs, LSI, and RSI screening values. Available Water Treatment Water Treatment Plant Hydraulic Profile Track hydraulic grade through entered pipe, pump, fixed-loss, and basin-boundary segments. Municipal / Industrial Wastewater Treatment · Hydraulics / Pumping Municipal Drinking Water Purification · Municipal Drinking Water Purification Available Utilities Water Treatment Residuals & Sludge Designer Estimate captured raw solids, chemical solids yield, optional backwash and other residuals, and wet-slurry volume. Municipal / Industrial Wastewater Treatment · Residuals & Sludge Municipal Drinking Water Purification · Municipal Drinking Water Purification Available Water Treatment

04 — Technical Guidance

Need The Engineering Basis Behind The Calculation?