Convert BUIDLon Optimism to FDUSDon Ethereum
Swap BlackRock USD Institutional Digital Liquidity Fund (BUIDL) on Optimism to First Digital USD (FDUSD) on Ethereum at the best cross-chain rate. SwitchFi routes your BUIDL → FDUSD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
BUIDL to FDUSD market data
| Metric | BUIDL · Optimism | FDUSD · Ethereum |
|---|---|---|
| Price | $1.00 | $0.9973 |
| Market cap | $2.88B | $347.21M |
| 24h volume | $0 | $63.18M |
| 24h change | +0.00% | -0.02% |
| 7d change | +0.00% | -0.04% |
| 24h high / low | $1.00 / $1.00 | $0.9984 / $0.9965 |
| All-time high | $1.00 | $1.15 |
| Market cap rank | #32 | #125 |
What is the BUIDL to FDUSD exchange rate?
At the current market price, 1 BUIDL ≈ 1.0027 FDUSD, and 1 FDUSD ≈ 0.997279 BUIDL. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
By market value the pair is uneven — BlackRock USD Institutional Digital Liquidity Fund's $2.88B dwarfs First Digital USD's $347.21M by a factor of about 8.3×. On the overall leaderboard they sit at #32 and #125 respectively. The last 24 hours put BUIDL at +0.00% against -0.02% for FDUSD — the BUIDL/FDUSD rate has held roughly steady. Zooming out to a week, BUIDL has moved +0.00% while FDUSD has moved -0.04%.
BUIDL to FDUSD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
BUIDL / FDUSD 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 BlackRock USD Institutional Digital Liquidity Fund and First Digital USD
BlackRock USD Institutional Digital Liquidity Fund (BUIDL) is the #32 cryptocurrency by market cap, worth $2.88B in aggregate. It is trading close to its all-time high of $1.00. There are currently 2.88B BUIDL in circulation. BUIDL has moved +0.00% week-on-week and +0.00% over 30 days.
First Digital USD (FDUSD) is the #125 cryptocurrency by market cap, worth $347.21M in aggregate. Compared with its $1.15 all-time peak, it currently trades 13.4% lower. Circulating supply stands at 348.16M FDUSD. Recent performance reads -0.04% over 7 days and +0.05% over the past month for FDUSD. Daily turnover comes to $63.18M.
How to convert BUIDL to FDUSD
- 1 Enter the amount of BUIDL on Optimism you want to convert — the swap widget on this page is prefilled with the BUIDL → FDUSD 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 FDUSD on Ethereum 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 FDUSD
BTC → FDUSDEthereum
Bitcoin
ETH → FDUSDEthereum
Ethereum
USDTEthereum → FDUSDEthereum
Tether
BNB → FDUSDEthereum
BNB
USDCEthereum → FDUSDEthereum
USDC
XRP → FDUSDEthereum
XRP
SOL → FDUSDEthereum
Solana
TRX → FDUSDEthereum
TRON
FIGR_HELOC → FDUSDEthereum
Figure Heloc
HYPE → FDUSDEthereum
Hyperliquid
DOGE → FDUSDEthereum
Dogecoin
USDSEthereum → FDUSDEthereum
USDS
Convert any other cryptocurrency from BUIDL
BUIDLOptimism → BTC
Bitcoin
BUIDLOptimism → ETH
Ethereum
BUIDLOptimism → USDTEthereum
Tether
BUIDLOptimism → BNB
BNB
BUIDLOptimism → USDCEthereum
USDC
BUIDLOptimism → XRP
XRP
BUIDLOptimism → SOL
Solana
BUIDLOptimism → TRX
TRON
BUIDLOptimism → FIGR_HELOC
Figure Heloc
BUIDLOptimism → HYPE
Hyperliquid
BUIDLOptimism → DOGE
Dogecoin
BUIDLOptimism → USDSEthereum
USDS
BUIDL to FDUSD FAQ
What is the BUIDL to FDUSD exchange rate?
1 BUIDL is worth roughly 1.0027 FDUSD at the moment (inverted: 1 FDUSD ≈ 0.997279 BUIDL). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert BUIDL to FDUSD on SwitchFi?
Type in how much BUIDL you're converting, connect a wallet, check the quoted BUIDL→FDUSD route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the BUIDL to FDUSD 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 BUIDL to FDUSD?
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 BUIDL for FDUSD?
No account is needed. You connect a wallet, approve the swap and receive the funds directly — there is no registration or KYC step for on-chain swaps.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.