This is the only information that we have to get across the "bridge" between the two systems.
What is 2.54cm = 1 inch
100
This is the formula for the area of a circle.
What is pi*r^2.
100
These are the world's seven continents.
What are North America, South America, Europe, Asia, Africa, Australia, and Antarctica.
200
This is the number of cm in 3.82m.
What is 382.
200
This is the number of yards in 4 1/4 miles.
What is 7480.
200
This is the number of inches in 3m.
What is 118.11.
200
This is the formula for area of a triangle.
What is (base*height)/2.
200
This is the capital city of Germany.
What is Berlin.
300
This is the base unit for length in the metric system.
What is the metre.
300
This is the number of yards in 7 inches.
What is 0.19.
300
This is the number of inches in 0.81 km.
What is 31889.76
300
This is the formula for the surface area of a cube.
What is 8*L^2.
300
This is the world's largest ocean.
What is the Pacific.
400
Micrometres (aka microns) are often used to measure computer parts. There are 1000 micrometres in a millimetre. This is the number of microns in 2.3cm.
What is 23000 microns.
400
A nautical mile is 1.85km. This is the number of "regular" miles in a nautical mile.
What is 1.15.
400
The tallest man in the world lived to be 8'11". This is his height in cm.
What is 271.78 cm.
400
The front of a doghouse is a 4'x4' square topped by a semiricle with diameter 4'. This is the total area of the front of the doghouse.
What is 41.13 sq ft.
400
This is the city (worldwide) with the most skyscrapers (buildings over 100m).
What is Hong Kong.
500
The world's tallest building is in Dubai. It is 828m. The world's second tallest building is in the United States. It is 628.8m. This is the difference between their height in km.
What is 0.20 km.
500
The longest road tunnel in the world is in Norway. It is 15.2 miles long. The longest rail tunnel is in Japan, and it is 33.5 miles long. The tunnel in Norway would have to be this much longer, in yards, to be the same length as the tunnel in Japan.
What is 32208 yards.
500
This is the number of mm in 0.0065 miles.
What is 104607.36 mm.
500
A rectangle has two sides measuring 4' and two sides measuring 3'. This is the area of the rectangle in square metres.
What is 1112.68m.
500
This is the third largest country in the world (by land mass).