Convert FDUSDon Arbitrum to B
Swap First Digital USD (FDUSD) on Arbitrum to BUILDon (B) at the best cross-chain rate. SwitchFi routes your FDUSD → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
FDUSD to B market data
| Metric | FDUSD · Arbitrum | B |
|---|---|---|
| Price | $0.9975 | $0.1651 |
| Market cap | $347.22M | $165.28M |
| 24h volume | $92.40M | $5.39M |
| 24h change | +0.08% | +4.10% |
| 7d change | +0.07% | -35.27% |
| 24h high / low | $0.9992 / $0.9958 | $0.1655 / $0.1492 |
| All-time high | $1.15 | $0.7635 |
| Market cap rank | #123 | #188 |
What is the FDUSD to B exchange rate?
At the current market price, 1 FDUSD ≈ 6.0416 B, and 1 B ≈ 0.16552026 FDUSD. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
First Digital USD brings the bigger balance sheet here: $347.22M in market capitalisation against $165.28M for BUILDon. They currently rank #123 and #188 among all cryptocurrencies. Day-on-day, FDUSD printed +0.08% and B printed +4.10%, meaning the exchange rate between them has moved in B's favour. Zooming out to a week, FDUSD has moved +0.07% while B has moved -35.27%. Daily turnover runs at $92.40M for FDUSD and $5.39M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, FDUSD is down 13.4% and B is down 78.3%.
FDUSD to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
FDUSD / 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 First Digital USD and BUILDon
First Digital USD (FDUSD) is the #123 cryptocurrency by market cap, worth $347.22M in aggregate. Compared with its $1.15 all-time peak, it currently trades 13.4% lower. Circulating supply stands at 348.11M FDUSD. Recent performance reads +0.07% over 7 days and -0.01% over the past month for FDUSD. Daily turnover comes to $92.40M.
BUILDon (B) ranks #188 by market capitalisation at $165.28M. Compared with its $0.7635 all-time peak, it currently trades 78.3% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -35.27% over 7 days and -39.43% over the past month for B. Around $5.39M of B changes hands every 24 hours.
How to convert FDUSD to B
- 1 Enter the amount of FDUSD on Arbitrum you want to convert — the swap widget on this page is prefilled with the FDUSD → 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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USDS
FDUSD to B FAQ
What is the FDUSD to B exchange rate?
Right now 1 FDUSD ≈ 6.0416 B (and 1 B ≈ 0.16552026 FDUSD). 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 FDUSD to B on SwitchFi?
Enter the amount of FDUSD you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best FDUSD→B path — non-custodial, straight from your wallet.
Is the FDUSD 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 FDUSD 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 FDUSD 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.