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IAPWS

JSON →
library 1.5.5 ·python
✓ verified Jun 7, 2026
scienceengineering

Python implementation of international standards from the International Association for the Properties of Water and Steam (IAPWS). Provides thermodynamic properties of water and steam based on IAPWS-IF97 and related formulations. Current version: 1.5.5, updated 2024. Release cadence is irregular.

Resources

githubgithub.com/jjgomera/iapws ↗
homepagegithub.com/jjgomera/iapws ↗

API endpoints

full doc /v1/registry/iapws
install /v1/registry/iapws/install