Swap Starknet (STRK ERC20) for USD Coin (USDC Arbitrum)
The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.
Rate as of Sep 18, 2026 20:58
- Payout network
- Arbitrum One
- 24 hours
- +31.38%
You get
USDC Arbitrum
Start the order
USDC Arbitrum
The figure is indicative; the exact amount is locked in the order.
One STRK ERC20 buys 0.0386053 USDC Arbitrum right now; the other way round, 1 USDC Arbitrum is 25.9031 STRK ERC20. Market over 24 hours: STRK ERC20 against USDC Arbitrum plus 31.38%. The week added plus 14.48%.
The weekly corridor ran from 0.0264292 to 0.0351828 USDC Arbitrum, a spread of 33.12%.
The payout leaves in the Arbitrum One network, so the receiving address has to belong to that network. By market cap Starknet sits 147th ($269.01 M) and USD Coin 6th ($73.87 B). Daily moves of STRK and USDC over 90 days line up at -0.02 (they travel apart).
Who takes the STRK ERC20 → USDC Arbitrum route
- Sitting out the swingsSTRK moved +35.8% over the past month. USDC tracks the dollar, so after the swap the value stops following STRK.
- A road both waysThe USDC Arbitrum → STRK ERC20 direction is open too, so going back into STRK takes the same route.
STRK ERC20 → USDC Arbitrum rate and amounts
1 STRK ERC20 = 0.0386053 USDC Arbitrum
1 USDC Arbitrum = 25.9031 STRK ERC20
Send STRK ERC20 — receive USDC Arbitrum
| STRK ERC20 | USDC Arbitrum |
|---|---|
| 500 | 19.3027 |
| 2,000 | 77.2107 |
| 10,000 | 386.0535 |
| 100,000 | 3,860.53 |
| 500,000 | 19,302.67 |
| 2,000,000 | 77,210.69 |
Need USDC Arbitrum — send this much STRK ERC20
| USDC Arbitrum | STRK ERC20 |
|---|---|
| 20 | 518.063 |
| 100 | 2,590.31 |
| 500 | 12,951.57 |
| 5,000 | 129,515.74 |
| 20,000 | 518,062.95 |
| 100,000 | 2,590,314.76 |
Payout network for USDC
The same USDC goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per STRK ERC20 | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 0.0386053 | 7,429.42 STRK ERC20 | ≈ $0.056 | medium |
| Solana | 0.0386053 | 7,429.42 STRK ERC20 | ≈ $0.00055 | fast |
| Polygon | 0.0386053 | 7,429.42 STRK ERC20 | ≈ $0.0018 | fast |
| Arbitrum One open now | 0.0386053 | — | ≈ $0.0034 | fast |
| BASE | 0.0386053 | — | — | — |
| BNB Smart Chain (BEP20) | 0.0386053 | — | ≈ $0.0025 | fast |
| Avalanche C-Chain | 0.0386053 | — | ≈ < $0.0001 | fast |
| NEAR | 0.0386053 | — | — | — |
| Optimism | 0.0386053 | — | ≈ $0.00019 | fast |
| XLM | 0.0386053 | — | — | — |
How the STRK ERC20 → USDC Arbitrum order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in Arbitrum One and a way to reach you.
- Send STRK ERC20 in Ethereum (ERC20) for exactly the amount stated in the order.
- Once the network confirms your transfer, USD Coin leaves for your address. The order page tracks every step.
Check this before sending STRK ERC20
- The address network is Arbitrum One. Sending through another network usually means losing the transfer.
- Copy the address whole, then compare the first and last characters after pasting.
- Coins go through an AML check: a flagged transfer can be held until the check is finished.
Where the STRK ERC20 to USDC Arbitrum rate has been
high 0.0351828 USDC Arbitrumlow 0.0264292 USDC Arbitrum
Sep 11, 2026 21:02Sep 18, 2026 21:02
high 0.0319024 USDC Arbitrumlow 0.0224563 USDC Arbitrum
Aug 19, 2026 03:00Sep 18, 2026 03:00
high 0.0343975 USDC Arbitrumlow 0.0224563 USDC Arbitrum
Jun 20, 2026 03:00Sep 18, 2026 03:00
high 0.24803 USDC Arbitrumlow 0.0224563 USDC Arbitrum
Sep 19, 2025 03:00Sep 18, 2026 03:00
- 24 hours
- +31.38%
- Week
- +14.48%
- Weekly high
- 0.0351828 USDC Arbitrum
- Weekly low
- 0.0264292 USDC Arbitrum
- Spread
- 33.12%
Market data from CoinGecko as of Sep 18, 2026 18:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far STRK ERC20/USDC Arbitrum travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.0351828 | 0.0277657 | 0.0307186 | +31.38% |
| Week | 0.0351828 | 0.0264292 | 0.0286288 | +14.48% |
| Month | 0.0319024 | 0.0224563 | 0.0275145 | +35.82% |
| Quarter | 0.0343975 | 0.0224563 | 0.0279979 | −11.33% |
Figures are in USDC Arbitrum per unit sent, from market data.
Daily STRK ERC20 → USDC Arbitrum rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 18, 2026 | 0.0305009 USDC Arbitrum | +9.28% |
| Sep 17, 2026 | 0.0279118 USDC Arbitrum | +4.8% |
| Sep 16, 2026 | 0.0266338 USDC Arbitrum | −7.64% |
| Sep 15, 2026 | 0.0288376 USDC Arbitrum | +2.98% |
| Sep 14, 2026 | 0.0280029 USDC Arbitrum | −3.09% |
| Sep 13, 2026 | 0.0288973 USDC Arbitrum | +0.95% |
| Sep 12, 2026 | 0.028624 USDC Arbitrum | +2.32% |
Daily RubyCash rate: STRK ERC20 → USDC Arbitrum
| Date | RubyCash rate | Market rate |
|---|---|---|
| Sep 18, 2026 | 0.0371885 USDC Arbitrum | 0.0366068 |
| Sep 17, 2026 | 0.028526 USDC Arbitrum | 0.0280481 |
| Sep 16, 2026 | 0.027202 USDC Arbitrum | 0.0271444 |
Our own rate is written down every hour; the table keeps the last entry of each day. The market column is the ratio of the same two coins on CoinGecko at that moment. Where these numbers come from
The numbers on STRK and USDC
Starknet STRK- Price
- $0.0365963
- 24 hours
- +31.39%
- Week
- +19.7%
- Market cap
- $269.01 M
- 24-hour turnover
- $103.1 M
- Rank by cap
- #147
- In circulation
- 7.35 B STRK
- Record price
- $4.41
USD Coin USDC- Price
- $0.999711
- 24 hours
- +0.01%
- Week
- 0%
- Market cap
- $73.87 B
- 24-hour turnover
- $19.66 B
- Rank by cap
- #6
- In circulation
- 73.9 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 18, 2026 18:54.
Starknet against USD Coin
| Starknet (STRK) | USD Coin (USDC) | |
|---|---|---|
| Ticker | STRK | USDC |
| Network | Ethereum (ERC20) | Arbitrum One |
| Fees are paid in | ETH | ETH |
| In circulation | 7.35 B STRK | 73.9 B USDC |
| Market cap | $269.01 M | $73.87 B |
| Rank by cap | #147 | #6 |
| Type | — | token |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Daily moves of STRK and USDC over 90 days line up at -0.02 — they travel apart.
Common questions: STRK ERC20 → USDC Arbitrum
What rate does STRK ERC20 to USDC Arbitrum run at?
As of Sep 18, 2026 20:58 it is 1 STRK ERC20 = 0.0386053 USDC Arbitrum. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.0385942.
What else is taken on top of the rate?
The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending STRK ERC20, and that one goes to the blockchain, not to us.
How long does STRK ERC20 to USDC Arbitrum take?
The clock starts with confirmations: the order goes into work once Ethereum (ERC20) confirms your transfer. After that it comes down to how busy the network is.
Which network will USDC Arbitrum arrive in?
The payout leaves in Arbitrum One. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism. Still, the network is chosen by what the recipient supports, not by the fee.
What if the rate moves while I am paying?
The rate is pinned to the order and does not move while the order is alive. It can be recalculated if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the STRK ERC20 to USDC Arbitrum rate do this month?
The month came in at plus 35.82%. Low 0.0224563, high 0.0319024, middle 0.0275145 USDC Arbitrum per STRK ERC20.
Can I go back, USDC Arbitrum to STRK ERC20?
Yes, the reverse direction is open: 1 USDC Arbitrum = 26.0335 STRK ERC20. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send STRK ERC20, receive something else
STRK ERC20 → USDS0.0386015
STRK ERC20 → USDT Arbitrum0.0386169- STRK ERC20 → USDT BEP200.0386169
- STRK ERC20 → USDT AVAX C0.0386169
- STRK ERC20 → USDT ERC200.0386169
- STRK ERC20 → USDT NEAR0.0386169
- STRK ERC20 → USDT OMNI0.0386169
- STRK ERC20 → USDT Optimism0.0386169
