Convert SDEXon Base to USDDon Ethereum
Swap SMARDEX (SDEX) on Base to USDD (USDD) on Ethereum at the best cross-chain rate. SwitchFi routes your SDEX → USDD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
SDEX to USDD market data
| Metric | SDEX · Base | USDD · Ethereum |
|---|---|---|
| Price | $0.0004451 | $0.9961 |
| Market cap | $4.36M | $1.50B |
| 24h volume | $5,705 | $3.09M |
| 24h change | -2.50% | -0.40% |
| 7d change | -29.72% | -0.28% |
| 24h high / low | $0.0004731 / $0.0004412 | $1.00 / $0.9946 |
| All-time high | $0.02634 | $1.05 |
| Market cap rank | #1647 | #50 |
What is the SDEX to USDD exchange rate?
At the current market price, 1 SDEX ≈ 0.00044687 USDD, and 1 USDD ≈ 2237.79 SDEX. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
In size terms SMARDEX is the junior asset: it is valued at $4.36M against USDD's $1.50B, a gap of about 343×. SDEX holds rank #1647 while USDD holds #50 by market capitalisation. Over the past 24 hours SDEX is -2.50% while USDD is -0.40%, so the SDEX/USDD rate has moved in USDD's favour. Across the last 7 days the comparison reads -29.72% for SDEX versus -0.28% for USDD. With $5,705 and $3.09M in respective daily volume, neither side of a SDEX→USDD swap struggles for depth. Measured from record highs, SDEX is down 98.3% and USDD is down 5.4%.
SDEX to USDD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
SDEX / USDD conversion tables
() on is not verified and may be a scam or an impostor of a well-known token. You could end up with a token you can't sell.
This browser has no crypto wallet. Pick your wallet app — SwitchFi will open inside its built-in browser, where you can connect.
The app didn't open — it may not be installed. You can still use SwitchFi from any wallet app:
- 1Open your wallet app (MetaMask, OKX, TokenPocket, TronLink…).
- 2Find the Browser / Discover / DApp tab.
- 3Paste this address and open it:
You have more than one wallet installed. Pick the one to connect.
Fetching live quote…
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 USDD
With a total market value of $4.36M, SMARDEX (SDEX) sits at #1647 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 -29.72% over 7 days and -61.03% over the past month for SDEX. Its 24-hour trading volume is $5,705.
USDD (USDD) is the #50 cryptocurrency by market cap, worth $1.50B in aggregate. It is trading 5.4% below its all-time high of $1.05. Circulating supply stands at 1.50B USDD. Over the last 7 days USDD is -0.28%, and -0.37% across 30 days. Around $3.09M of USDD changes hands every 24 hours.
How to convert SDEX to USDD
- 1 Enter the amount of SDEX on Base you want to convert — the swap widget on this page is prefilled with the SDEX → USDD 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 USDD 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 USDD
BTC → USDDEthereum
Bitcoin
ETH → USDDEthereum
Ethereum
USDTEthereum → USDDEthereum
Tether
BNB → USDDEthereum
BNB
USDCEthereum → USDDEthereum
USDC
XRP → USDDEthereum
XRP
SOL → USDDEthereum
Solana
TRX → USDDEthereum
TRON
FIGR_HELOC → USDDEthereum
Figure Heloc
HYPE → USDDEthereum
Hyperliquid
DOGE → USDDEthereum
Dogecoin
USDSEthereum → USDDEthereum
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 USDD FAQ
What is the SDEX to USDD exchange rate?
1 SDEX is worth roughly 0.00044687 USDD at the moment (inverted: 1 USDD ≈ 2237.79 SDEX). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert SDEX to USDD on SwitchFi?
Type in how much SDEX you're converting, connect a wallet, check the quoted SDEX→USDD route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the SDEX to USDD 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 SDEX to USDD?
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 USDD?
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.