It's about one-eighty-fifth as big as Hawaii (Island).
In other words, 30,000 acres is 0.0116373 times the size of Hawaii (Island), and the size of Hawaii (Island) is 85.93060 times that amount.(a.k.a. Hawaii, a.k.a. The Big Island) (Hawaii)
The largest of the main Hawaiian Islands and the largest island in the United States, Hawaii measures 2,577,930 acres in total area. It is known for its continuously erupting (for the past two decades, as of 2011) volcano, Kīlauea, and for the black sand beaches formed by the lava flow.
It's about one-one-hundredth as big as Sitka.
In other words, 30,000 acres is 0.009665766 times the size of Sitka, and the size of Sitka is 103.45790 times that amount.(a.k.a. the City and Borough of Sitka) (Alaska)
The second-largest city in both Alaska and the United States, Sitka measures 3,103,737 acres in total area. The city is known as a major west coast seaport.
It's about one-one-hundredth as big as Glacier Bay National Park.
In other words, 30,000 acres is 0.009135 times the size of Glacier Bay National Park, and the size of Glacier Bay National Park is 109.50 times that amount.(a.k.a. Glacier Bay National Park and Preserve) (Hoonah-Angoon Census area, and Yakutat City and Borough, Alaska)
Containing nine tidewater glaciers, Glacier Bay National Park covers 3,284,000 acres of which 2,659,000 acres is designated a Wilderness Area. Glacier Bay is home to the 33.8 km (21 mi) long Margerie Glacier.
It's about one-one-hundredth as big as Connecticut.
In other words, 30,000 acres is 0.00845608 times the size of Connecticut, and the size of Connecticut is 118.2580 times that amount.(United States)
The "Constitution State" or the "Nutmeg State," Connecticut measures 3,547,740 acres in total area. The northern boundary between Connecticut and Massachusetts is an otherwise straight line marked by the 1,606.180 acres "Southwick Jog" — a notch of Massachusetts extending southward into Connecticut near Congamond Lakes.
It's about one-one-hundred-fiftieth as big as Lake Ontario.
In other words, 30,000 acres is 0.006403 times the size of Lake Ontario, and the size of Lake Ontario is 156.20 times that amount.(a.k.a. Lac Ontario) (surface area)
The smallest of North America's Great Lakes (by surface area), Lake Ontario has a total area of 4,685,000 acres. It borders the cities of Toronto, Ontario, Canada and Rochester, New York.
It's about 150 times as big as The Forbidden City.
In other words, the size of The Forbidden City is 0.0063 times 30,000 acres.(a.k.a. Forbidden Palace, a.k.a. Purple Forbidden City, a.k.a. Zijin Cheng, a.k.a. Zǐjinchéng, a.k.a. 紫禁城) (Beijing, China)
The imperial palace complex of the Forbidden City consists of 980 buildings covering 180 acres. The City was the home of Chinese Emperors and their cabinets from its construction in 1420 until the fall of the last ruling dynasty in 1912.
It's about one-one-hundred-fiftieth as big as Wales.
In other words, 30,000 acres is 0.005856 times the size of Wales, and the size of Wales is 170.770 times that amount.(a.k.a. Cymru) (total area)
The area of the country of Wales (in the United Kingdom) is 5,123,000 acres. More than 188,960 acres, or about 4% of the country's land area, is made up of the fifty-plus islands in the Irish and Celtic Seas off the coast of the Welsh mainland.