Earth Circumference facts
While investigating facts about Earth Circumference In Miles and Earth Circumference In Km, I found out little known, but curios details like:
One of the largest animals to ever fly, the Quetzalcoatlus, had a flight range of around 10,000 miles almost half the circumference of Earth.
how earth circumference measured?
That, in 200 BCE, Eratosthenes measured the Earth's circumference to an accuracy of 98.4% by measuring the angle of the sun in two different cities
What is the circumference of the earth in miles?
In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is the circumference of the earth at the equator. Here are 45 of the best facts about Earth Circumference Calculator and Earth Circumference Meters I managed to collect.
what's earth's circumference?

Before 194 BC, using sticks and shadows, Eratosthenes of Cyrene calculated the Earth's circumference with an error between 2 and 15%, and calculated the tilt of the Earth and the distance of the Sun to the Earth with near perfect accuracy.

The ancient Greek astronomer Eratosthenes of Cyrene, proved that the earth was round in 240 B.C. and also came up with latitude/longitude and was able to calculate the earth's circumference within 2%.

If you have a rope long enough to wrap around the entire circumference of the globe. The rope is 24,901.55 miles long. If you now want to lengthen the rope so that it can hover one foot off the ground at all points on earth. It only takes just 6.28 feet more of rope.

The largest earthquake to ever be recorded hit Chile in 1960, measuring M9.5. The earthquake lasted for 10 minutes with tsunamis of 8 & 10m. The fault rupture was 800km long, 1/50 of the circumference of the earth.

A string one meter longer than the circumference of the earth at the equator, encircling the earth at a uniform height, would have more than six inches clearance.

Eratosthenes, a Greek mathematician around 200 BCE, measured the circumference of Earth using only a stick, a sun, and another city

Ancient Greek scientist Eratosthenes calculated the circumference of the Earth with remarkable accuracy, invented the leap day and geography, created the first map of the world incorporating parallels and meridians

Eratosthenes ( ~200 be), who calculated the Earth's circumference with remarkable accuracy at 25 000 miles, using a rod and a hole/well. Modern day measurement of the earth’s circumference is 24,859.734 mi at the Poles and 24,901.461 mi at the Equator.

Eratosthenes (276194 BCE) and his many accomplishments: first to accurately calculate and record the Earth's circumference, discover a method for finding prime numbers, explain the annual flooding of the Nile, coin the term "geography", and use longitude and latitude on a map.
Why is it important to know the circumference of the earth?
You can easily fact check why did greek scientists study the circumference of earth quizlet by examining the linked wellknown sources.
A 3rd Century BCE Greek Scholar Eratosthenes Estimated the Earth's Circumference to be 24,662 Miles. Modern Estimates are 24,901 Miles. He was only 250 miles off!
Uluru is 1.2 miles wide and 2.2 miles long. The circumference is 5.8 miles.
Until 2013 there was a regularlyscheduled flight from Newark to Singapore which took 18.5 hours and traveled 40% of the circumference of the Earth. Special lockers were installed on the planes "to store the corpses of any passengers that die en route."
The total length of blood vessels in an average human adult is twice Earth's circumference at the equator.  source
Earth's circumference is greatest when measured around the?
Greek mathematician Erastosthenes, who measured the Earth's circumference with an error margin of less than 1% using a stick.
How many miles is the circumference of the earth?
The difference between knots and mph/kph. A nautical mile is based on the circumference of the earth, and is equal to one minute of latitude. It is slightly more than a landmeasured mile (1 nautical mile = 1.1508 land miles). A knot is 1 nautical mile per hour.
Sam Alexander. A Michigan ferryman who traveled the distance equal to the circumference of Earth while never being more than 1,000 feet from his home.
There is enough telephone wire in the Pentagon to wrap around the circumference of the earth 4.5 times.
Christopher Columbus did not think the world was flat. He was concerned the East Indies were further than expected. Columbus underestimated the Earth's circumference because of two calculation errors. His crew would have starved to death if they had not found North America.