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

Turks and Caicos Islands is approximately 948 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 6.33% the size of Turks and Caicos Islands.
Tip: This to-scale comparison of Turks and Caicos Islands vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: British Indian Ocean Territory vs. Turks and Caicos Islands

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.