It's about 0.0000000008 times as big as Grand Canyon National Park.
In other words, 0.00403 dunams is 0.0000000008173462570 times the size of Grand Canyon National Park, and the size of Grand Canyon National Park is 1,223,471,680 times that amount.(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
Containing the 446 km (277 mi) Grand Canyon gorge, Grand Canyon National Park covers 4,930,590 dunams.
It's about 0.0000000008 times as big as Anchorage.
In other words, 0.00403 dunams is 0.00000000079325660 times the size of Anchorage, and the size of Anchorage is 1,260,626,000 times that amount.(formally the Municipality of Anchorage, a.k.a. MOA) (Alaska)
The fourth-largest city in Alaska and in the country, Anchorage measures 5,080,323 dunams in total area. The city is the home of a large energy industry, a hub for air and overseas cargo traffic, and home to nearly half of Alaska's population.
It's about 0.0000000007 times as big as Prince Edward Island.
In other words, 0.00403 dunams is 0.0000000007090190 times the size of Prince Edward Island, and the size of Prince Edward Island is 1,410,400,000 times that amount.(a.k.a. PEI, a.k.a. P.E.I., a.k.a. Île-du-Prince-Édouard, a.k.a. Eilean a' Phrionnsa, a.k.a. Garden of the Gulf, a.k.a. Birthplace of the Confederation, a.k.a. Île Saint-Jean)
Prince Edward Island, located off Canada's eastern coast in the Gulf of St. Lawrence, measures 5,683,910 dunams in total area. Significant among Prince Edward Island's industries is agriculture, with the island producing 1.3 billion kg (1.4 million tons) of potatoes each year — almost 21% the output of the US state of Idaho with 3% as much land.
It's about 0.0000000007 times as big as Delaware.
In other words, 0.00403 dunams is 0.000000000625079520874010 times the size of Delaware, and the size of Delaware is 1,599,796,452.46060 times that amount.(United States)
The "First State," Delaware measures 6,447,180 dunams in total area. Its 19.3 km (12 mi) border with Pennsylvania, referred to as "Twelve-Mile Circle" is the only circular state boundary in the United States.
It's about 0.0000000005 times as big as Juneau.
In other words, 0.00403 dunams is 0.00000000050500660 times the size of Juneau, and the size of Juneau is 1,980,172,000 times that amount.(a.k.a. the City and Borough of Juneau) (Alaska)
The capital of Alaska and third-largest city in both Alaska and the United States, Juneau measures 7,980,094 dunams in total area. Juneau is a port of call for many cruise ships voyaging off the Alaskan coast during the summer season.
It's about 0.0000000005 times as big as Puerto Rico.
In other words, 0.00403 dunams is 0.000000000454340 times the size of Puerto Rico, and the size of Puerto Rico is 2,200,990,000 times that amount.(formally the Commonwealth of Puerto Rico, a.k.a. Estado Libre Asociado de Puerto Rico) (United States)
A self-governing territory of the United States located in the Caribbean Sea, Puerto Rico is an archipelago with 8,870,000 dunams in total land area. The island is known as a popular tourist destination.
It's about 0.0000000004 times as big as Hawaii (Island).
In other words, 0.00403 dunams is 0.0000000003862930 times the size of Hawaii (Island), and the size of Hawaii (Island) is 2,588,710,000 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 10,432,500 dunams 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.