Bitcoin is currently trading at around $16,514 with a 24 hour price change of -0.37% and has a circulating supply of 19.216 million coins with a market cap of $317.174 billion. Ethereum on the other hand is currently trading at around $1198.25 with a 24hour price change of -0.08% and has a circulating supply of 122.373 million coins with a market cap of $146.635 billion while dogecoin is currently trading at around of $0.08922 with a 24hour price change of 9.99% and has a circulating supply of 132.67 billion coins with a market cap of $11.823 billion. This is indicated as from below;



To get the price of bitcoin from above,you divide the market cap by the circulating supply which will be $317.174billion/19.216 million=$16,505.
The same process applies to ethereum and dogecoin. For ethereum, it will be $146.635 billion/122.373million=$1198. For dogecoin, it will be
$11.837 billion/132.67 billion=$0.089. Now you know how to get the price of different cryptocurrencies. If you create your own cryptocurrency,that is how you will be calculating its value.