GRT
GRT stands for:
- General Relativity Theory, see General Relativity Theory
- Golden Reader Tool , software application for reading ICAO-compliant passports with RFID
- Limit rate of transformation , in production theory the slope of the production possibility curve
- Gross Registered Ton, see GRT
- IATA code for Gujrat Airport , Pakistan
grt stands for:
- Garo (language) (ISO-639-3 code), language in India