Convert SUSDon Optimism to USDDon Ethereum
Swap Synthetix sUSD (SUSD) on Optimism to USDD (USDD) on Ethereum at the best cross-chain rate. SwitchFi routes your SUSD → USDD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
SUSD to USDD market data
| Metric | SUSD · Optimism | USDD · Ethereum |
|---|---|---|
| Price | $0.2319 | $0.9993 |
| Market cap | $10.11M | $1.51B |
| 24h volume | $677,049 | $4.49M |
| 24h change | — | +0.02% |
| 7d change | +0.00% | +0.03% |
| 24h high / low | — / — | $1.00 / $0.9957 |
| All-time high | $2.45 | $1.05 |
| Market cap rank | #1140 | #50 |
What is the SUSD to USDD exchange rate?
At the current market price, 1 SUSD ≈ 0.23210932 USDD, and 1 USDD ≈ 4.3083 SUSD. 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 Synthetix sUSD is the junior asset: it is valued at $10.11M against USDD's $1.51B, a gap of about 150×. On the overall leaderboard they sit at #1140 and #50 respectively. Across the last 7 days the comparison reads +0.00% for SUSD versus +0.03% for USDD. With $677,049 and $4.49M in respective daily volume, neither side of a SUSD→USDD swap struggles for depth. Measured from record highs, SUSD is down 90.5% and USDD is down 4.8%.
SUSD to USDD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
SUSD / USDD 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 Synthetix sUSD and USDD
With a total market value of $10.11M, Synthetix sUSD (SUSD) sits at #1140 among all cryptocurrencies. It is trading 90.5% below its all-time high of $2.45. Circulating supply stands at 43.60M SUSD. SUSD has moved +0.00% week-on-week and -58.26% over 30 days. Around $677,049 of SUSD changes hands every 24 hours.
USDD (USDD) is the #50 cryptocurrency by market cap, worth $1.51B in aggregate. It is trading 4.8% below its all-time high of $1.05. Circulating supply stands at 1.51B USDD. Over the last 7 days USDD is +0.03%, and -0.03% across 30 days. Around $4.49M of USDD changes hands every 24 hours.
How to convert SUSD to USDD
- 1 Enter the amount of SUSD on Optimism you want to convert — the swap widget on this page is prefilled with the SUSD → 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
Convert any other cryptocurrency from SUSD
SUSD to USDD FAQ
What is the SUSD to USDD exchange rate?
At current prices one SUSD converts to about 0.23210932 USDD, and one USDD to about 4.3083 SUSD. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert SUSD to USDD on SwitchFi?
Three steps: set the SUSD amount, connect your wallet, then approve the best quoted SUSD→USDD route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the SUSD 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 SUSD to USDD?
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 SUSD 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.