Convert B to SEI
Swap BUILDon (B) to Sei (SEI) at the best cross-chain rate. SwitchFi routes your B → SEI exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
B to SEI market data
| Metric | B | SEI |
|---|---|---|
| Price | $0.1281 | $0.04911 |
| Market cap | $128.11M | $330.60M |
| 24h volume | $3.60M | $65.22M |
| 24h change | -3.40% | +6.24% |
| 7d change | -2.70% | +4.00% |
| 24h high / low | $0.1347 / $0.1277 | $0.05004 / $0.04562 |
| All-time high | $0.7626 | $1.14 |
| Market cap rank | #225 | #128 |
What is the B to SEI exchange rate?
At the current market price, 1 B ≈ 2.6083 SEI, and 1 SEI ≈ 0.38339407 B. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
BUILDon is the smaller side of this pair — Sei's market capitalisation of $330.60M is roughly 2.6× larger than BUILDon's $128.11M. On the overall leaderboard they sit at #225 and #128 respectively. Day-on-day, B printed -3.40% and SEI printed +6.24%, meaning the exchange rate between them has moved in SEI's favour. Zooming out to a week, B has moved -2.70% while SEI has moved +4.00%. With $3.60M and $65.22M in respective daily volume, neither side of a B→SEI swap struggles for depth. Measured from record highs, B is down 83.2% and SEI is down 95.7%.
B to SEI converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
B / SEI conversion tables
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Fetching live quote…
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 BUILDon and Sei
BUILDon (B) ranks #225 by market capitalisation at $128.11M. Compared with its $0.7626 all-time peak, it currently trades 83.2% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -2.70% over 7 days and -22.80% over the past month for B. Around $3.60M of B changes hands every 24 hours.
With a total market value of $330.60M, Sei (SEI) sits at #128 among all cryptocurrencies. It is trading 95.7% below its all-time high of $1.14. Circulating supply stands at 6.73B SEI. SEI has moved +4.00% week-on-week and +17.50% over 30 days. Around $65.22M of SEI changes hands every 24 hours.
How to convert B to SEI
- 1 Enter the amount of B you want to convert — the swap widget on this page is prefilled with the B → SEI 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 SEI 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 SEI
Convert any other cryptocurrency from B
B to SEI FAQ
What is the B to SEI exchange rate?
At current prices one B converts to about 2.6083 SEI, and one SEI to about 0.38339407 B. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert B to SEI on SwitchFi?
Three steps: set the B amount, connect your wallet, then approve the best quoted B→SEI route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the B to SEI swap instant?
If both assets live on the same chain the swap confirms within seconds. Cross-chain conversions add a few minutes of bridge confirmation time, with live status tracking throughout.
Are there fees to convert B to SEI?
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 B for SEI?
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.