# square inch

> unit of area

**Wikidata**: [Q1063786](https://www.wikidata.org/wiki/Q1063786)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Square_inch)  
**Source**: https://4ort.xyz/entity/square-inch


## References

1. Freebase Data Dumps. 2013
2. Quora
3. Recommendation N. 20 - Codes for Units of Measure Used in International Trade - Revision 13 (Annexes I to III)