Practical engineering tools, project controls, calculators and training resources developed for piping designers and engineers.
Project Controls
Practical tools for planning, estimating, scheduling, progress measurement and controlling piping engineering work.
Plant Design & Deliverables
Piping Project Controls
A practical hub for managing piping engineering scope, resources, schedules and project performance.
Piping Man-Hour Estimator
Estimate piping design and engineering effort using practical project-based inputs.
Piping Estimate Summary
Summarise piping engineering estimates and key project resource requirements.
Control Level Schedule
Structure piping engineering activities into practical control-level schedules.
Physical Progress Calculator
Calculate and track physical progress against planned engineering work.
Scope of Work
Define and structure piping engineering scope, deliverables and project responsibilities.
Design Change Notice
Record and communicate changes affecting piping engineering scope, design and delivery.
Historical Data Log
Maintain project history and records to support future planning, estimating and review.
Project Workspace
A common project record for the project-control tools. Records stay in this browser.
Engineering Calculators
Practical calculators and reference tools for everyday piping design and engineering work.
Piping Design
Wall Thickness
ASME B31.3 Equation (3a) pressure design thickness from values you enter.
Bend Wall Thickness
Intrados, extrados and sidewall thickness for a pipe bend from ASME B31.3 paragraph 304.2.1 and the factors you enter.
Pipe Offset
Travel, run and cut length for a simple offset or a rolling offset.
Bend Cutting
Mitre and elbow cut geometry from the angle, diameter and radius you enter.
Cut Length
Cut length between two fittings from the centre distance, the take-outs and the gaps you enter.
Weld Inches
Estimate shop weld inches and the field welds on a straight pipe run.
Branch Reinforcement
Area replacement for one welded branch from the values you enter.
Stud Bolt Length
Stud length from the flange, gasket, nut and projection you enter.
Insulation Thickness
Heat loss and outside surface temperature for one insulation layer, from the conductivity and surface coefficient you enter.
Line Spacing Calculator
Calculate practical centre-to-centre spacing between parallel piping lines based on pipe sizes and clearances.
Pipe Rack Designer
Lay out lines on pipe rack tiers, check spacing and tier clearances, and export the drawing to PDF.
Pipe Span Calculator (chart-based)
Spans and weights from the PipingDesigners pipe span chart, by size, schedule, corrosion allowance, service and temperature.
Support Span Calculator
Calculate practical support spacing and review support requirements for piping systems.
Rack and Process Spans (beam theory)
Allowable span from beam theory using the weight and the end condition you enter.
Support Details
Typical trunnion, stanchion and dummy leg support details with dimensioned sketches.
Pipe Leg
Guided-cantilever leg, L-bend, and Z-bend lengths.
Pipe Loop
Symmetrical U-loop size from the guided-cantilever method.
Line Sizing
Velocity, minimum NPS and maximum flow from the catalogue inside diameter, with Reynolds number and API RP 14E erosional velocity.
Pipe Diameter
Inside diameter from a flow rate and a velocity you accept.
Valve Cv
Liquid Cv and Kv from the flow and pressure drop you enter, with a simple gas estimate.
Design Checklists
Tick lists for a plot plan, equipment layout, piping arrangement, isometric checking, a material take-off and tie-ins.
30 / 60 / 90% Model Review Checklists
Fill-in model review checklists for the 30%, 60% and 90% stages, each tied to an indicative LOD, with sign-off and a PDF download.
Isometric Release Gate Checklist
Fill-in release check for an isometric before it is issued, with HOLD and ACTION rows, sign-off and a PDF download.
Standards Index
Searchable list of common piping codes and standards, with a one-line scope and a publisher link.
Piping Quiz
Ten-question quizzes on fittings, flanges, codes, P&ID symbols and supports. Scores stay in the browser.
P&ID Programs Calculator
Practical calculations and reference functions supporting common P&ID and piping design activities.
Calculators & Unit Conversion
Unit Converter
Convert length, area, volume, mass, temperature, pressure, flow, density, force, energy, power, velocity and torque.
NPS / DN / OD Cross Reference
Cross-reference nominal pipe size, DN and outside diameter, with an imperial or metric view.
Pipe by Schedule
Outside diameter and wall thickness by NPS and schedule, including stainless 5S, 10S, 40S and 80S.
Pipe by Wall Thickness
Reverse search of the pipe-schedule extract by wall thickness.
Pipe Volume & Weight Calculator
Calculate pipe internal volume, fluid capacity, pipe weight and related quantities.
Pipe Properties
Reference pipe dimensions, wall thickness, weights and key physical properties by size and specification.
Paint and Insulation
Bare area, insulated area, insulation volume and paint quantity for one run of pipe.
Components & Materials
Flange Datasheet
Flange dimensions by size, pressure class and flange type, for ASME B16.5 and B16.47.
Flange Pressure-Temperature Ratings
Allowable pressure at a temperature, or the temperature limit at a pressure, by material group and class.
Gaskets and RTJ Rings
Spiral-wound, flat ring and RTJ ring gasket dimensions, including R, RX and BX rings.
Line Blanks
Spectacle blinds, spacers and blind disks from an interim manufacturer chart.
Butt-Weld Fittings
Elbow, tee, reducer, cap and long-pattern stub end dimensions from interim manufacturer charts.
Socket-Weld and Threaded Fittings
Forged elbows, tees, couplings, caps, unions and outlets from interim manufacturer charts.
Valve Face-to-Face
Gate, globe, check and ball face-to-face lengths from an interim manufacturer chart.
Butterfly Valve Face-to-Face
Wafer and lug butterfly face-to-face from an interim manufacturer drawing.
Orifice Flanges
Class 300 welding-neck and slip-on orifice flanges from an interim manufacturer catalog.
Steel Sections
W, UB, UC, HE, IPE, PFC, angles, hollow sections and flats from mill tables.
NPT Thread Form
Pitch, taper and sharp height computed from the public thread form.
Component Weight
Look up the stored weight of a pipe, fitting, flange or valve. A catalogue with no stored weight says no weight on record.
Line BOM
Add catalogue components and a quantity. Each row shows the stored description, size, class and weight.
Stainless Tube & Fitting Dimensions
Reference dimensions for stainless steel tube, fittings and related components used in hygienic piping systems.
Quick Reference
Pipe, flange, fitting, gasket, stud, blank and valve figures for one size, each linked to its tool.
Flanges
A round plate attached to a pipe, fitting or valve so the joint can be assembled and taken apart.
Gaskets & Bolts
A gasket forms the seal between flange faces, and the bolts hold that joint.
Flange Tools – Downloads
Downloads that sit with the flange articles: a comparison chart, flange data, a pressure-temperature worksheet and an RTJ chart.
Training & Resources
Practical learning material, reference information and resources for developing piping design and engineering capability.
In development
Piping Design Fundamentals
Practical training and reference material covering the fundamentals of piping design.
Piping Engineering Training
Structured learning material covering engineering principles, calculations and project delivery.
Piping Design Resources
Checklists, templates, reference material and other practical resources for piping professionals.
No tools match.
Want the engineering behind a tool? The Tool Companion Articles index lists every tool alongside the article that explains its method, data and assumptions.