Student tools
Engineering tools, free to use.
Self-service calculators and reference data built for mechanical-engineering coursework. The same numbers you would look up in textbook appendices are computed instantly and ready to cite in your homework workflow.
Thermodynamics
Steam Tables & Psychrometrics
Water and steam properties from the IAPWS-IF97 industrial formulation, plus a full moist-air psychrometric calculator.
- Saturation by T or p
- Quality (two-phase) states
- Superheated and compressed states
- RH, wet bulb, dew point, enthalpy
Heat transfer
Material Property Library
Thermophysical properties of common metals, building materials, and fluids with interpolation at your working temperature.
- 29 curated materials and fluids
- k, density, cp, viscosity, Pr vs. temperature
- Interpolation at any T in range
- Side-by-side comparison
Heat transfer
Heat Exchanger Sizing & Rating
Size an exchanger with LMTD or rate an existing exchanger with epsilon-NTU across six flow arrangements.
- LMTD sizing with F factor
- Epsilon-NTU rating and outlet temperatures
- Counter, parallel, shell, crossflow
- Feasibility checks built in
Experiments and lab reports
Uncertainty Propagation
Enter an experimental result equation and measurements to calculate combined uncertainty using the Kline-McClintock method.
- Your own result equation
- Kline-McClintock first-order method
- Per-variable contribution breakdown
- Know which measurement to improve
These tools use standard formulations and representative textbook property data. They are intended for coursework and preliminary design. Always verify against primary sources for professional or safety-critical work.