Engineering calculators and references
EnggTools for practical project work and industry standards overview
A growing platform for calculation tools, engineering articles, standards explainers, and original study resources built around real engineering workflows.
Practical engineering support
Built around real calculation workflows
First build priority
Tools that will anchor the platform
Tolerance Stackup
Analyze dimensional variation, fit risk, and assembly limits with clearer assumptions and future saved projects.
Live Now!
Weekly Planner
Plan you daily routine work, add tasks, subtask, notes and track hours for each and every task. Best for coorporate employees, freelancers and students who want to efficiently use their time.
Plan your week now!
Bolt Pretension and Torque
Estimate preload, torque, friction effects, and report assumptions for bolted joints.
Calculator ready
Lifting Calculations
Build safe calculation helpers for sling angle, load share, lifting lugs, and site checks.
Planned
Pressure Vessel BPVC Helper
Explain selected pressure vessel concepts with careful assumptions, limitations, and official-code verification notes.
Planned
B31.3 Piping Calculation Helper
Support selected process piping calculation concepts with visible assumptions and examples.
Planned
B31.8 Pipeline Calculation Helper
Support selected pipeline pressure and calculation concepts with engineering context.
Planned
Engineering Articles
Original practical guides, calculation explanations, and engineering judgment notes.
Guides and examples
Standards Explained
Plain-language summaries of industrial standards without reproducing protected code text.
Copyright-safe interpretation
Study Resources
Original notes, templates, references, and user-specific PDF markup features.
Original and licensed only