Convert FRAXon Optimism to FDUSDon Ethereum
Swap Legacy Frax Dollar (FRAX) on Optimism to First Digital USD (FDUSD) on Ethereum at the best cross-chain rate. SwitchFi routes your FRAX → FDUSD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
FRAX to FDUSD market data
| Metric | FRAX · Optimism | FDUSD · Ethereum |
|---|---|---|
| Price | $0.9912 | $0.9969 |
| Market cap | $237.47M | $347.04M |
| 24h volume | $385,724 | $54.21M |
| 24h change | +0.28% | +0.01% |
| 7d change | +0.13% | +0.00% |
| 24h high / low | $0.9916 / $0.9884 | $0.9976 / $0.9962 |
| All-time high | $1.14 | $1.15 |
| Market cap rank | #148 | #122 |
What is the FRAX to FDUSD exchange rate?
At the current market price, 1 FRAX ≈ 0.99428844 FDUSD, and 1 FDUSD ≈ 1.0057 FRAX. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Legacy Frax Dollar is the smaller side of this pair — First Digital USD's market capitalisation of $347.04M is roughly 1.5× larger than Legacy Frax Dollar's $237.47M. They currently rank #148 and #122 among all cryptocurrencies. The last 24 hours put FRAX at +0.28% against +0.01% for FDUSD — the FRAX/FDUSD rate has moved in FRAX's favour. Zooming out to a week, FRAX has moved +0.13% while FDUSD has moved +0.00%. Daily turnover runs at $385,724 for FRAX and $54.21M for FDUSD, so routed swaps between the two settle at market rates without moving the price. FRAX currently trades 13.1% below its all-time high, while FDUSD sits 13.4% under its own peak.
FRAX to FDUSD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
FRAX / 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 Legacy Frax Dollar and First Digital USD
Legacy Frax Dollar (FRAX) ranks #148 by market capitalisation at $237.47M. The price sits 13.1% under the record high of $1.14. There are currently 239.57M FRAX in circulation. Over the last 7 days FRAX is +0.13%, and +0.10% across 30 days. Its 24-hour trading volume is $385,724.
First Digital USD (FDUSD) is the #122 cryptocurrency by market cap, worth $347.04M 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 +0.00% over 7 days and -0.07% over the past month for FDUSD. Daily turnover comes to $54.21M.
How to convert FRAX to FDUSD
- 1 Enter the amount of FRAX on Optimism you want to convert — the swap widget on this page is prefilled with the FRAX → 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 FRAX
FRAXOptimism → BTC
Bitcoin
FRAXOptimism → ETH
Ethereum
FRAXOptimism → USDTEthereum
Tether
FRAXOptimism → BNB
BNB
FRAXOptimism → USDCEthereum
USDC
FRAXOptimism → XRP
XRP
FRAXOptimism → SOL
Solana
FRAXOptimism → TRX
TRON
FRAXOptimism → FIGR_HELOC
Figure Heloc
FRAXOptimism → HYPE
Hyperliquid
FRAXOptimism → DOGE
Dogecoin
FRAXOptimism → USDSEthereum
USDS
FRAX to FDUSD FAQ
What is the FRAX to FDUSD exchange rate?
At current prices one FRAX converts to about 0.99428844 FDUSD, and one FDUSD to about 1.0057 FRAX. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert FRAX to FDUSD on SwitchFi?
Type in how much FRAX you're converting, connect a wallet, check the quoted FRAX→FDUSD route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the FRAX 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 FRAX 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 FRAX 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.