Turks and Caicos Islands is about 16 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Turks and Caicos Islands is approximately 948 sq km, making Turks and Caicos Islands 1,480% larger than British Indian Ocean Territory.
Tip: This to-scale comparison of British Indian Ocean Territory vs. Turks and Caicos Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Turks and Caicos Islands vs. British Indian Ocean Territory