Ancient currency was based on a weight system. A shekel is equal to 14.1 grams or 0.497 ounces.
Today's silver prices hover around $22.50 per ounce.
So 400 shekels would weigh 198.8 ounces @ $22.50 = $4473 in today's money
That being said, it is difficult to ascertain the true value in Abraham's time. Since Abraham accepted the first price (and no doubt the highest price - bargaining was a well accepted practice), many speculate that he overpaid for the property. However, since he accepted and paid their first price, no one would ever be able to say that he cheated the sellers on the price of the land.
Also, the cost of living varies greatly around the world. If I have $100,000 to spend on a new house, I could get a pretty good size house in some areas and would do good to get a studio apartment in a major city.
This of course, is open to interpretation based on how people like to do the math and other variables (i.e. a silver dollar is worth much more than a regular dollar).
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$880
shekels was the currency used in biblical times
(Jeremiah ch.32) The field's size is not given. The price was 17 silver shekels (about 6 ounces of silver).
Sarah .
Abram
two hundred and fifty shekels
Abram, who was later called Abraham. Although the Bible does not specifically say Abram was born in Ur, it says Abram's grandfather was born there (Genesis 11:28) and his father moved the family away (Genesis 11:31).
4.4 pounds
Sarah, Abram. You can find a lot of them in Bible.
Genesis chapter 12
It comes from the conversation between God and Abram - regarding his offspring, at a time when Abram was elderly and childless.
The first usage of money in the Bible is when Abraham buys a burial plot for Sarah from the Hittites for 400 shekels of silver (Genesis 23). The second usage is when Joseph is sold by his brothers to the Ishmaelites for 20 pieces of silver (Genesis 37:28). How much do you think these amounts would be worth in modern currency?
It is not explicitly mentioned in the Bible whether Terah, Abram's father, believed in God. However, Terah's family was from a region known for idol worship, so it is likely that he may have been influenced by these beliefs. It was Abram who later became the patriarch of monotheistic faith in God.