Compare two cryptocurrencies by market capitalization, estimate a hypothetical price at a different market cap, or test a custom target. Values update with CoinGecko market data when available.
Coin A
Coin B
If Coin A had Coin B’s market cap:
Hypothetical price of Coin A
Hypothetical holding value
—Set any target market capitalization for Coin A. The calculation uses its circulating supply shown above.
Coin A price at target market cap
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Manual coin data
These values stay in your browser and are used only when the live list is unavailable.
Coin A manual values
Coin B manual values
How to use the crypto market cap calculator
- Choose Coin A, the cryptocurrency whose hypothetical price you want to estimate, and Coin B, the market-cap comparison.
- In Compare coins mode, review the hypothetical Coin A price, its multiple of the current price, the percentage change, and the value of your chosen holding.
- Choose Custom target to enter a market capitalization such as $1 trillion and set the amount of Coin A you hold.
- If live prices are unavailable, enter price, market cap, and circulating supply in the manual fields; estimates update as you type.
How is a hypothetical market-cap price calculated?
The calculator divides the target market capitalization by Coin A’s circulating supply. In comparison mode, Coin B’s current market cap is the target.
Hypothetical price = target market cap ÷ Coin A circulating supplyWorked example: suppose a token has 2 billion coins in circulation and the chosen target market cap is $600 billion. $600,000,000,000 ÷ 2,000,000,000 = $300 per coin. At a current price of $50, the hypothetical price is 6× as high, or a 500% increase. A holding of 10 coins would be worth $3,000 at that hypothetical price. These round figures are illustrative, not a forecast.
Why market cap matters more than price
A coin’s unit price alone can create unit bias: a $0.10 token may look “cheaper” than a $100 coin even when its overall valuation is much larger. Market capitalization combines price with circulating supply, giving a more useful way to compare the scale of crypto assets. It still does not tell you whether an asset is fairly valued or likely to rise.
Limits of this calculation
Circulating supply can differ from the fully diluted supply, which counts tokens that may be issued or unlocked later. A projection using today’s circulating supply does not model future issuance, burns, vesting, liquidity, or changes in demand. Market cap is price multiplied by supply; it is not the amount of money invested, nor a promise that buyers could sell every token at that price.
For other planning scenarios, try the crypto profit calculator for estimating gains and losses, the crypto investment calculator for projecting an investment, or the crypto DCA calculator for recurring purchases.
Frequently asked questions
What does a crypto market cap calculator show?
A crypto market cap calculator estimates a coin’s hypothetical price if its market capitalization matched a chosen target, using its circulating supply.
How accurate is a market-cap price estimate?
The arithmetic is accurate for the inputs provided, but the estimate is a scenario rather than a prediction. It assumes the selected supply and target market cap and does not account for market behavior or future token changes.
Can XRP reach Ethereum’s market cap?
This calculator can show the XRP price implied by Ethereum’s current market cap and XRP’s circulating supply. It cannot determine whether that outcome will happen; market capitalization changes with price and supply, and the comparison is not a forecast.
Does market cap mean that amount of money was invested?
No. Market cap is the latest market price multiplied by circulating supply, not a tally of money invested or cash available to withdraw.
Should I use circulating supply or fully diluted supply?
This tool uses circulating supply, the units counted as circulating by the data source. Fully diluted valuation uses a broader supply assumption and can produce a different comparison, especially when tokens remain locked or unissued.
Disclaimer: This calculator is for educational and informational purposes only. Estimates are not investment advice, financial advice, or a price prediction. Cryptocurrency markets are volatile; do your own research before making financial decisions.
