Fluid Properties & Psychrometrics, in the Browser
Build P‑h diagrams, look up saturation properties, calculate humid-air states, and inspect key fluid data in the browser.
Core Tools
Pick a calculator and start with one click.
P-h Diagram
Calculate and visualize refrigerant state points on a P-h diagram with enthalpy, entropy, density, heat capacity, and phase.
Property Lookup
Generate saturation tables, compare fluid trends, and export CSV-ready data.
Humid Air Calculator
Humid-air states, RH, dew point, wet-bulb, humidity ratio, and psychrometric chart guidance.
Vapor Cycle
Inspect a basic vapor-compression refrigeration cycle with pressure-driven inputs, P-h visualization, and engineering results.
Fluid Data
Safety class, category, critical point, and environmental metrics.
Why It's Reliable
Property Engine
Powered by the CoolProp WASM engine.
Engineering Units
Common unit systems with reliable conversions.
Chart Validation
Interactive P‑h and psychrometric charts.
Local Performance
Runs in the browser for low-latency results.
Quick Start
Choose a fluid
Pick from popular refrigerants and working fluids.
Set the state
Enter temperature/pressure or other property pairs.
Read the results
Instant calculations with diagrams and tables.
Engineering Wiki
GWP/ODP, PT charts, refrigerant comparisons, and terminology—updated continuously.
Start Calculating Now
Jump straight into the tools and get results immediately.