Convert KAS to B
Swap Kaspa (KAS) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your KAS → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
KAS to B market data
| Metric | KAS | B |
|---|---|---|
| Price | $0.02764 | $0.1296 |
| Market cap | $764.84M | $129.69M |
| 24h volume | $6.58M | $3.19M |
| 24h change | +1.22% | -3.77% |
| 7d change | +2.00% | +0.40% |
| 24h high / low | $0.02795 / $0.02706 | $0.1351 / $0.1286 |
| All-time high | $0.2074 | $0.7626 |
| Market cap rank | #84 | #222 |
What is the KAS to B exchange rate?
At the current market price, 1 KAS ≈ 0.21317644 B, and 1 B ≈ 4.6909 KAS. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
By market value the pair is uneven — Kaspa's $764.84M dwarfs BUILDon's $129.69M by a factor of about 5.9×. On the overall leaderboard they sit at #84 and #222 respectively. Over the past 24 hours KAS is +1.22% while B is -3.77%, so the KAS/B rate has moved in KAS's favour. On a 7-day view the tape shows KAS +2.00% and B +0.40%. Liquidity is ample on both legs — KAS trades $6.58M a day and B trades $3.19M — so conversions execute at market rates. Measured from record highs, KAS is down 86.7% and B is down 83.0%.
KAS to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
KAS / B conversion tables
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Live quote, net of DEX/bridge/gas fees. The final amount is confirmed in your wallet at execution.
Indicative estimate — the exact amount is confirmed in your wallet at execution.
About Kaspa and BUILDon
With a total market value of $764.84M, Kaspa (KAS) sits at #84 among all cryptocurrencies. It is trading 86.7% below its all-time high of $0.2074. Of a maximum supply of 28.70B KAS, 27.67B KAS (96%) is already in circulation. Over the last 7 days KAS is +2.00%, and +4.90% across 30 days. Its 24-hour trading volume is $6.58M.
BUILDon (B) ranks #222 by market capitalisation at $129.69M. Compared with its $0.7626 all-time peak, it currently trades 83.0% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads +0.40% over 7 days and -21.20% over the past month for B. Around $3.19M of B changes hands every 24 hours.
How to convert KAS to B
- 1 Enter the amount of KAS you want to convert — the swap widget on this page is prefilled with the KAS → B pair.
- 2 Connect a compatible wallet: MetaMask, OKX, Trust Wallet, TokenPocket, TronLink, UniSat, Phantom and others.
- 3 Review the quoted route — the estimated and minimum amount of B you will receive, plus network, DEX and bridge fees, are all shown before you sign.
- 4 Confirm the transaction in your wallet and track the swap on the My transactions page until the funds arrive.
Other options to exchange B
Convert any other cryptocurrency from KAS
KAS to B FAQ
What is the KAS to B exchange rate?
At current prices one KAS converts to about 0.21317644 B, and one B to about 4.6909 KAS. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert KAS to B on SwitchFi?
Type in how much KAS you're converting, connect a wallet, check the quoted KAS→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the KAS to B swap instant?
Speed depends on the route: same-chain trades are near-instant, while bridged cross-chain paths usually complete in a few minutes. Progress is trackable the whole way.
Are there fees to convert KAS to B?
The usual on-chain costs apply (network gas plus DEX/bridge fees), but they're disclosed inside the quote together with the minimum received. Nothing is charged for accounts or custody.
Do I need an account to exchange KAS for B?
No. SwitchFi is a non-custodial router — connect a compatible wallet and swap. No sign-up, no KYC to use the on-chain swap.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.