Convert SDEXon Base to FDUSDon Ethereum
Swap SMARDEX (SDEX) on Base to First Digital USD (FDUSD) on Ethereum at the best cross-chain rate. SwitchFi routes your SDEX → FDUSD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
SDEX to FDUSD market data
| Metric | SDEX · Base | FDUSD · Ethereum |
|---|---|---|
| Price | $0.0004497 | $0.9971 |
| Market cap | $4.41M | $346.99M |
| 24h volume | $1,893 | $26.29M |
| 24h change | -2.38% | +0.01% |
| 7d change | -15.01% | +0.03% |
| 24h high / low | $0.0004641 / $0.0004412 | $0.9971 / $0.9967 |
| All-time high | $0.02634 | $1.15 |
| Market cap rank | #1604 | #124 |
What is the SDEX to FDUSD exchange rate?
At the current market price, 1 SDEX ≈ 0.00045103 FDUSD, and 1 FDUSD ≈ 2217.16 SDEX. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
SMARDEX is the smaller side of this pair — First Digital USD's market capitalisation of $346.99M is roughly 79× larger than SMARDEX's $4.41M. On the overall leaderboard they sit at #1604 and #124 respectively. Day-on-day, SDEX printed -2.38% and FDUSD printed +0.01%, meaning the exchange rate between them has moved in FDUSD's favour. Across the last 7 days the comparison reads -15.01% for SDEX versus +0.03% for FDUSD. With $1,893 and $26.29M in respective daily volume, neither side of a SDEX→FDUSD swap struggles for depth. Measured from record highs, SDEX is down 98.3% and FDUSD is down 13.4%.
SDEX to FDUSD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
SDEX / 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 SMARDEX and First Digital USD
With a total market value of $4.41M, SMARDEX (SDEX) sits at #1604 among all cryptocurrencies. The price sits 98.3% under the record high of $0.02634. 9.80B SDEX is circulating out of a hard cap of 10.00B SDEX — about 98% of the eventual supply. Recent performance reads -15.01% over 7 days and -60.60% over the past month for SDEX. Its 24-hour trading volume is $1,893.
First Digital USD (FDUSD) is the #124 cryptocurrency by market cap, worth $346.99M 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 +0.03% over 7 days and -0.05% over the past month for FDUSD. Daily turnover comes to $26.29M.
How to convert SDEX to FDUSD
- 1 Enter the amount of SDEX on Base you want to convert — the swap widget on this page is prefilled with the SDEX → 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 SDEX
SDEXBase → BTC
Bitcoin
SDEXBase → ETH
Ethereum
SDEXBase → USDTEthereum
Tether
SDEXBase → BNB
BNB
SDEXBase → USDCEthereum
USDC
SDEXBase → XRP
XRP
SDEXBase → SOL
Solana
SDEXBase → TRX
TRON
SDEXBase → FIGR_HELOC
Figure Heloc
SDEXBase → HYPE
Hyperliquid
SDEXBase → DOGE
Dogecoin
SDEXBase → USDSEthereum
USDS
SDEX to FDUSD FAQ
What is the SDEX to FDUSD exchange rate?
At current prices one SDEX converts to about 0.00045103 FDUSD, and one FDUSD to about 2217.16 SDEX. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert SDEX to FDUSD on SwitchFi?
Enter the amount of SDEX you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best SDEX→FDUSD path — non-custodial, straight from your wallet.
Is the SDEX 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 SDEX 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 SDEX for FDUSD?
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.