Armenia is about 496 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Armenia is approximately 29,743 sq km, making Armenia 49,472% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (3.1 million more people live in Armenia).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Armenia uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.