NIST & ASTM Calibrated
Ref: H₂O @ 4°C = 1.0000 kg/L Density Library
kg to Gallons LAB

Mass to Volume Authority

Terms of Service

Last updated: January 1, 2026

1. Acceptance of Terms

By accessing and using kg to Gallons, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by these terms, please do not use this service.

2. Reference & Informational Purpose Only

All calculators, density databases, formulas, tables, and tools provided on this website are for educational, commercial reference, and estimation purposes. While we strive to ensure that all calculations and density constants match ASTM, NIST, USDA, and IATA standard baselines, physical material density may vary due to ambient temperature, pressure, chemical additives, and batch formulations.

3. Limitation of Liability

In no event shall kg to Gallons, its authors, engineers, or operators be liable for any damages (including, without limitation, damages for loss of data or profit, flight operations adjustments, chemical batch variances, or business interruption) arising out of the use or inability to use the materials on this website.

4. Intellectual Property

The custom algorithms, website layout, user interface design, and compiled reference datasets are the property of kg to Gallons and are protected by applicable copyright and intellectual property law.