Quick 2D Technical Drawing
Sketch a plate or disk. Add exact dimensions, holes and thread callouts, then export a review drawing.
A4 SVG / PDF · editable project · geometry DXFCreate a drawing ↗THE ENGINEERING WORKBENCH
Less searching.
More getting it done.
Calculate, compare and plot with nine focused tools. Start with the task; open the details when you need them.
Try:
THE BROWSER TOOLKIT
Choose a tool. Get to work.
Simple inputs first. Formulas, assumptions and details when you need them.
Engineering Unit Converter
Pressure, temperature, flow and more. Search 36 quantities and inspect the conversion factors.
36 quantities · batch CSVConvert unitsFits & Tolerances
Choose H8/g6 or other classes at a nominal diameter, or enter manual limits. Inspect clearance and tolerance zones.
Class lookup · 3 < Ø ≤ 120 mmCheck a fitMetric Tap Drill
Estimate a pre-drill diameter from nominal thread size and pitch for a cutting tap.
D − P estimate · not a tooling prescriptionEstimate a drillSection Properties
Calculate section area, second moments of area and mass from simple geometric dimensions.
Geometry · axes · material densityExplore a sectionMachining Speed & Feed
Relate cutting speed, tool diameter, spindle speed and tooth feed for a machining setup.
RPM · cutting speed · feedCalculate speed & feedPower, Torque & Speed
Connect shaft power, torque and speed. Explore a gearbox ratio and efficiency.
kW · N·m · rpmCalculate power & torqueFatigue & Fracture Workbench
Define load cycles, compare mean-stress corrections, accumulate Miner damage and estimate K / ΔK.
Goodman / Soderberg · Miner · Mode I KOpen fatigue workbenchScientific Graph Studio
Import Excel or CSV, style up to four panels and download a scientific figure as SVG or PNG.
Web beta · palettes · editable projectsCreate a figureNo matching tools yet.
Try a shorter term, choose another category, or reset the search. Looking for H8/g6? Search “fits”; choose nominal diameter and hole/shaft classes.
No account. No installation. Tool calculations run in your browser. Read how data is handled →
A SMALL LAB FOR EVERYDAY ENGINEERING
A clear path from input to output.
- 01
Choose the task
Search by the job, a unit or a familiar term. No software setup needed.
- 02
Enter your values
Use labeled units and the tool’s example to check your starting point.
- 03
Check the meaning
Inspect formulas, assumptions and limits before relying on a result.
- 04
Keep the result
Copy an answer or use the output options available in that tool.
Useful answers. Clear boundaries.
The fit calculator uses dimensions you supply; it does not look up ISO H8/g6 values. Tap drill estimates apply to cutting taps, not forming taps. Fatigue calculations define load cycles, not fatigue life. Always review each tool’s assumptions and sources.
These tools support engineering work; they do not certify a design or replace the relevant standard, manufacturer guidance or independent verification. Work is not saved automatically across visits—download or copy what you need to keep.
Need help with a workflow? →BUILT AROUND REAL WORK
One less repetitive task.
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