# Rebar Size **URL:** \ **Category:** Project Planning & Design\ **Created:** [September 26, 2026, 2:30pm UTC](https://community.blackspectacles.com/t/rebar-size/7924 "2026-09-26T14:30:48Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![cameronklenski](https://yyz1.discourse-cdn.com/flex029/user_avatar/community.blackspectacles.com/cameronklenski/32/1948_2.png) [@cameronklenski](https://community.blackspectacles.com/u/cameronklenski)\ **Post date:** [September 26, 2026, 2:30pm UTC](https://community.blackspectacles.com/t/rebar-size/7924/1 "2026-09-26T14:30:48Z")
Concrete part 1 video illustrates the different rebar sizes. It explains that #12 rebar is 1 1/4". Shouldn’t this be 1 1/2" diameter? ---
**Author:** ![kiaragalicinao](https://yyz1.discourse-cdn.com/flex029/user_avatar/community.blackspectacles.com/kiaragalicinao/32/1607_2.png) [@kiaragalicinao](https://community.blackspectacles.com/u/kiaragalicinao)\ **Post date:** [October 1, 2026, 11:00pm UTC](https://community.blackspectacles.com/t/rebar-size/7924/2 "2026-10-01T23:00:59Z")
Hi @cameronklenski thanks for bringing this to our attention! I’ve passed it along to the team for review and I will let you know when I hear back. Kiara Galicinao, AIA, NCARB Product Coordinator **[Black Spectacles](https://www.blackspectacles.com/en-us/)** ---
**Author:** ![kiaragalicinao](https://yyz1.discourse-cdn.com/flex029/user_avatar/community.blackspectacles.com/kiaragalicinao/32/1607_2.png) [@kiaragalicinao](https://community.blackspectacles.com/u/kiaragalicinao)\ **Post date:** [October 6, 2026, 4:35pm UTC](https://community.blackspectacles.com/t/rebar-size/7924/3 "2026-10-06T16:35:09Z")
Hi again @cameronklenski! Thanks for your patience. We’ve confirmed that this was indeed an error and our team is working on fixing it. So sorry about the confusing, but we appreciate you letting us know! Kiara