Convert ETHFIon Arbitrum to B
Swap Ether.fi (ETHFI) on Arbitrum to BUILDon (B) at the best cross-chain rate. SwitchFi routes your ETHFI → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
ETHFI to B market data
| Metric | ETHFI · Arbitrum | B |
|---|---|---|
| Price | $0.5402 | $0.1302 |
| Market cap | $522.12M | $130.25M |
| 24h volume | $66.64M | $3.19M |
| 24h change | -6.49% | -4.60% |
| 7d change | -3.60% | -0.30% |
| 24h high / low | $0.6079 / $0.5371 | $0.1358 / $0.1286 |
| All-time high | $8.53 | $0.7626 |
| Market cap rank | #101 | #221 |
What is the ETHFI to B exchange rate?
At the current market price, 1 ETHFI ≈ 4.1477 B, and 1 B ≈ 0.2411001 ETHFI. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Ether.fi brings the bigger balance sheet here: $522.12M in market capitalisation against $130.25M for BUILDon. On the overall leaderboard they sit at #101 and #221 respectively. The last 24 hours put ETHFI at -6.49% against -4.60% for B — the ETHFI/B rate has moved in B's favour. Zooming out to a week, ETHFI has moved -3.60% while B has moved -0.30%. Liquidity is ample on both legs — ETHFI trades $66.64M a day and B trades $3.19M — so conversions execute at market rates. Measured from record highs, ETHFI is down 93.7% and B is down 82.9%.
ETHFI to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
ETHFI / 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 Ether.fi and BUILDon
Ether.fi (ETHFI) is the #101 cryptocurrency by market cap, worth $522.12M in aggregate. Compared with its $8.53 all-time peak, it currently trades 93.7% lower. 965.35M ETHFI is circulating out of a hard cap of 1.00B ETHFI — about 97% of the eventual supply. Over the last 7 days ETHFI is -3.60%, and +37.10% across 30 days. Around $66.64M of ETHFI changes hands every 24 hours.
BUILDon (B) ranks #221 by market capitalisation at $130.25M. 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 -0.30% over 7 days and -21.50% over the past month for B. Around $3.19M of B changes hands every 24 hours.
How to convert ETHFI to B
- 1 Enter the amount of ETHFI on Arbitrum you want to convert — the swap widget on this page is prefilled with the ETHFI → 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
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ETHFIArbitrum → SOL
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ETHFI to B FAQ
What is the ETHFI to B exchange rate?
At current prices one ETHFI converts to about 4.1477 B, and one B to about 0.2411001 ETHFI. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert ETHFI to B on SwitchFi?
Type in how much ETHFI you're converting, connect a wallet, check the quoted ETHFI→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the ETHFI to B 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 ETHFI to B?
All costs — gas, DEX fees and any bridge fee — are included in the quote before you sign, along with the guaranteed minimum you'll receive. There are no account or custody charges.
Do I need an account to exchange ETHFI 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.