Convert S to B
Swap Sonic (S) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your S → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
S to B market data
| Metric | S | B |
|---|---|---|
| Price | $0.02669 | $0.1302 |
| Market cap | $103.71M | $130.16M |
| 24h volume | $16.15M | $3.07M |
| 24h change | -1.52% | -2.34% |
| 7d change | -7.60% | +0.60% |
| 24h high / low | $0.02786 / $0.02635 | $0.1358 / $0.1286 |
| All-time high | $1.03 | $0.7626 |
| Market cap rank | #259 | #222 |
What is the S to B exchange rate?
At the current market price, 1 S ≈ 0.20509154 B, and 1 B ≈ 4.8759 S. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Sonic is the smaller side of this pair — BUILDon's market capitalisation of $130.16M is roughly 1.3× larger than Sonic's $103.71M. On the overall leaderboard they sit at #259 and #222 respectively. Over the past 24 hours S is -1.52% while B is -2.34%, so the S/B rate has moved in S's favour. On a 7-day view the tape shows S -7.60% and B +0.60%. Daily turnover runs at $16.15M for S and $3.07M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, S is down 97.4% and B is down 82.9%.
S to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
S / 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 Sonic and BUILDon
Sonic (S) ranks #259 by market capitalisation at $103.71M. It is trading 97.4% below its all-time high of $1.03. Circulating supply stands at 3.89B S. Over the last 7 days S is -7.60%, and +18.00% across 30 days. Its 24-hour trading volume is $16.15M.
BUILDon (B) ranks #222 by market capitalisation at $130.16M. Compared with its $0.7626 all-time peak, it currently trades 82.9% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads +0.60% over 7 days and -21.80% over the past month for B. Around $3.07M of B changes hands every 24 hours.
How to convert S to B
- 1 Enter the amount of S you want to convert — the swap widget on this page is prefilled with the S → 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 S
S to B FAQ
What is the S to B exchange rate?
Right now 1 S ≈ 0.20509154 B (and 1 B ≈ 4.8759 S). Rates update continuously from live market data; the exact amount you receive is quoted in your wallet before you sign.
How to swap, exchange or convert S to B on SwitchFi?
Type in how much S you're converting, connect a wallet, check the quoted S→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the S 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 S to B?
SwitchFi shows the network, DEX and bridge fees up front in the quote. You always see the minimum you'll receive before confirming — there are no hidden custody fees because you never give up control of your funds.
Do I need an account to exchange S 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.