
It's about 35,000,000 times as big as a Penny.
In other words, 10,000 square meters is 35,100,000 times the size of a Penny, and the size of a Penny is 0.00000002850 times that amount.
(United States onecent coin) (a.k.a. Lincoln penny, a.k.a. Cent, a.k.a. One cent piece)The Lincoln penny, in its current design since 1909, has a diameter of 19.05 mm (0.75 in) and an area of 0.000285 square meters.
It's about 0.00000003 times as big as Montana.
In other words, 10,000 square meters is 0.0000000262578790 times the size of Montana, and the size of Montana is 38,083,807 times that amount.
(United States)The "Treasure State," Montana measures 380,838,070,000 square meters in total area. The northwest corner of Montana is home to Flathead Lake, the largest freshwater lake in the continental United States with a surface area of 496,000,000 square meters.
It's about 40,000,000 times as big as a Dime.
In other words, 10,000 square meters is 39,700,000 times the size of a Dime, and the size of a Dime is 0.000000025190 times that amount.
(United States tencent coin) (a.k.a. Roosevelt dime)The dime, in its current design since 1946, has a diameter of 17.91 mm (0.705 in) and an area of 0.0002519 square meters.
It's about 0.00000003 times as big as California.
In other words, 10,000 square meters is 0.0000000235865980 times the size of California, and the size of California is 42,396,958 times that amount.
(United States)The "Golden State," California measures 423,969,580,000 square meters in total area. California is home to both the highest point — Mt. Whitney at 4,421 m (14,505 ft) — and lowest point — Death Valley at 85.5 m (282 ft) below sea level — in the continental United States, the two of which are separated by just 123 km (76 mi).
It's about 0.00000002 times as big as Texas.
In other words, 10,000 square meters is 0.0000000143756420 times the size of Texas, and the size of Texas is 69,562,111 times that amount.
(United States)The "Lone Star State," Texas measures 695,621,130,000 square meters in total area. Texas covers so much area that Texarkana — a city in the state's northeastern corner — is about 30 km closer to Chicago, Illinois, than it is to El Paso — in the western corner of Texas.
It's about 150,000,000 times as big as a Nailhead.
In other words, 10,000 square meters is 128,600,000 times the size of a Nailhead, and the size of a Nailhead is 0.0000000077760 times that amount.
(for 11gauge wire nai)An 11gauge nailhead measures 0.000077740 square meters. Nails have been used since ancient times; archaeologists have discovered Ancient Egyptian nails that are over 5,000 years old.
It's about 0.000000006 times as big as Alaska.
In other words, 10,000 square meters is 0.00000000582121550 times the size of Alaska, and the size of Alaska is 171,785,430 times that amount.
(United States)The "Last Frontier," Alaska measures 1,717,854,300,000 square meters in total area. Alaska is home to over 100,000 glaciers — half of the world's total — including the Bering Glacier complex near the southeastern border of Alaska, which covers 5,830,000,000 square meters. 
