How the calculation works
Market capitalization is price multiplied by circulating supply. Turn it around and the price at any market cap is that cap divided by the supply. If coin A has 540 million coins in circulation and you want to know its price at a $500 billion market cap, divide: about $926 per coin. The calculator also shows the multiple versus today’s price and what your own holding would be worth at that price.
The reverse question is often more useful. Type a target price and the calculator shows the market cap it implies. That is a quick sanity check for price predictions: a target that requires a market cap larger than the whole stock of a major asset is not impossible, but it should come with a very good reason.
market cap = price × circulating supply
price at cap X = X ÷ circulating supply
multiple = price at cap X ÷ current price
cap for target P = P × circulating supplyExample: SOL at a $500B market cap
Assume Solana has about 540 million SOL circulating and trades at $200, a market cap of $108 billion (illustrative numbers — check current data). At a $500 billion market cap the price would be about $926, a 4.63× move, and a 10 SOL holding would be worth about $9,260. A target of $1,000 per SOL needs a $540 billion market cap — 108% of the $500 billion comparison cap.
Swap in any pair: Litecoin at Bitcoin Cash’s cap, Cardano at XRP’s cap, a new token at the cap of a project you consider its rival. The math is the same; the hard part is getting accurate supply figures.
Why “what if” market caps mislead
- Market cap is not money invested. A coin’s cap can rise by billions on a small amount of buying when liquidity is thin, and fall just as fast.
- Supply changes. Inflation, token unlocks, burns and staking rewards change circulating supply; compare fully diluted value (price × maximum supply) too.
- Different coins, different jobs. A payments chain, a smart-contract platform and a meme coin are valued for different reasons; equal market caps are not a natural target.
- Circulating supply sources disagree. Data sites count locked and treasury tokens differently — use one source for both coins.
Use the calculator to frame expectations, not to set them. It is excellent at showing when a prediction is extreme and useless at telling you whether it will happen.
Where to get the inputs
Circulating supply and market caps are published by market-data sites and by many projects’ own explorers. Fetch both numbers from the same source on the same day, and for tokens with large scheduled unlocks look at the release schedule as well — a token whose supply doubles next year needs twice the market cap to keep today’s price.
For Bitcoin, the supply is predictable: just over 20 million BTC have been issued (the 20-millionth was mined in 2026) and the issuance halves every four years, ending near 21 million. The halving countdown tool shows the schedule.
Frequently asked questions
+How do I calculate a coin’s price at another coin’s market cap?
Divide the other coin’s market cap by your coin’s circulating supply. The calculator does it and also shows the multiple from today’s price.
+Should I use circulating or maximum supply?
Circulating supply gives the market cap people usually quote. Running the numbers with maximum (fully diluted) supply shows how future unlocks or inflation would affect the price.
+Does a higher market cap mean more money flowed in?
Not one-for-one. Market cap is the last price times supply; with thin liquidity a small amount of buying can add a large amount of market cap.
+Where do the supply numbers come from?
You type them. Use a market-data site or the project’s explorer and keep the same source for both coins. The default numbers are examples only.
+Can this predict a coin’s future price?
No. It translates a scenario into a price; whether the scenario happens depends on adoption, liquidity, supply changes and the wider market.
Calculations run entirely in your browser; nothing you type is sent to KOT.CASH. Results are estimates for information only and are not financial, tax or legal advice.