each block is a meter tall, meter wide, and a meter long.
it's simple 50m is 50 blocks
1 block is 1 meter, so 50 blocks.
50 cents, but in minecraft 3 diamond blocks or 3 wheat...
50 feet = 15.24 meters.
2500 sq metres
50 square meters = 538.195 square feet.
Diamonds can be found from layer 15 and under, but they are very rare. (layer 1 = lowest bedrock) Depending on how high you are, you might have to dig down about 50 blocks.
50 miles = 80,467.2 meters.
0.5m
0.05 kilometres.
50 of 6'' blocks
50m=164.042ft
That will depend entirely on the size of the blocks. The material will also be a factor. They can run anywhere from a few ounces to blocks that weigh 50 pounds or more!