Santa Barbara is about 2.3 times smaller than Dublin.

Dublin is approximately 118 sq km, while Santa Barbara is approximately 50 sq km, making Santa Barbara 42.85% the size of Dublin.
Tip: This to-scale comparison of Dublin vs. Santa Barbara 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.