SwitchFi
Coins / Sei / SEI → B
Sei BUILDon

Convert SEI to B

1 SEI ≈ 0.37175549 B

Swap Sei (SEI) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your SEI → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.

SEI to B market data

Metric SEI B
Price $0.04852 $0.1305
Market cap $326.68M $130.50M
24h volume $58.47M $3.20M
24h change +5.01% -4.31%
7d change +5.20% +1.00%
24h high / low $0.04769 / $0.04562 $0.1365 / $0.1286
All-time high $1.14 $0.7626
Market cap rank #125 #220

What is the SEI to B exchange rate?

At the current market price, 1 SEI ≈ 0.37175549 B, and 1 B ≈ 2.6899 SEI. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.

Sei is the larger asset of this pair: its market capitalisation of $326.68M is roughly 2.5× that of BUILDon at $130.50M. SEI holds rank #125 while B holds #220 by market capitalisation. Day-on-day, SEI printed +5.01% and B printed -4.31%, meaning the exchange rate between them has moved in SEI's favour. On a 7-day view the tape shows SEI +5.20% and B +1.00%. With $58.47M and $3.20M in respective daily volume, neither side of a SEI→B swap struggles for depth. Measured from record highs, SEI is down 95.7% and B is down 82.9%.

SEI to B converter & price calculator

Indicative, based on current market prices. Get a live quote in the swap.

SEI / B conversion tables

SEI to B
0.1 SEI0.03717555 B
0.5 SEI0.18587774 B
1 SEI0.37175549 B
5 SEI1.8588 B
10 SEI3.7176 B
50 SEI18.5878 B
100 SEI37.1755 B
500 SEI185.8777 B
1000 SEI371.7555 B
B to SEI
0.1 B0.26899401 SEI
0.5 B1.345 SEI
1 B2.6899 SEI
5 B13.4497 SEI
10 B26.8994 SEI
50 B134.497 SEI
100 B268.994 SEI
500 B1344.97 SEI
1000 B2689.94 SEI
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Indicative estimate — the exact amount is confirmed in your wallet at execution.

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About Sei and BUILDon

With a total market value of $326.68M, Sei (SEI) sits at #125 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 +5.20% week-on-week and +14.30% over 30 days. Around $58.47M of SEI changes hands every 24 hours.

BUILDon (B) ranks #220 by market capitalisation at $130.50M. 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 +1.00% over 7 days and -21.80% over the past month for B. Around $3.20M of B changes hands every 24 hours.

How to convert SEI to B

  1. 1 Enter the amount of SEI you want to convert — the swap widget on this page is prefilled with the SEI → B pair.
  2. 2 Connect a compatible wallet: MetaMask, OKX, Trust Wallet, TokenPocket, TronLink, UniSat, Phantom and others.
  3. 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. 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

Bitcoin BUILDon BTC → B Bitcoin Ethereum BUILDon ETH → B Ethereum Tether BUILDon USDTEthereum → B Tether BNB BUILDon BNB → B BNB XRP BUILDon XRP → B XRP USDC BUILDon USDCEthereum → B USDC Solana BUILDon SOL → B Solana TRON BUILDon TRX → B TRON Figure Heloc BUILDon FIGR_HELOC → B Figure Heloc Hyperliquid BUILDon HYPE → B Hyperliquid Zcash BUILDon ZEC → B Zcash Dogecoin BUILDon DOGE → B Dogecoin

Convert any other cryptocurrency from SEI

Sei Bitcoin SEI → BTC Bitcoin Sei Ethereum SEI → ETH Ethereum Sei Tether SEI → USDTEthereum Tether Sei BNB SEI → BNB BNB Sei XRP SEI → XRP XRP Sei USDC SEI → USDCEthereum USDC Sei Solana SEI → SOL Solana Sei TRON SEI → TRX TRON Sei Figure Heloc SEI → FIGR_HELOC Figure Heloc Sei Hyperliquid SEI → HYPE Hyperliquid Sei Zcash SEI → ZEC Zcash Sei Dogecoin SEI → DOGE Dogecoin

SEI to B FAQ

What is the SEI to B exchange rate?

Right now 1 SEI ≈ 0.37175549 B (and 1 B ≈ 2.6899 SEI). 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 SEI to B on SwitchFi?

Three steps: set the SEI amount, connect your wallet, then approve the best quoted SEI→B route. Funds move wallet-to-wallet — SwitchFi never holds them.

Is the SEI to B swap instant?

Same-chain swaps settle in seconds; cross-chain routes typically take a few minutes while the bridge confirms on both sides. You can track live status until the funds land.

Are there fees to convert SEI 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 SEI 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.