Convert KINGon Arbitrum to RAIL
Swap King Protocol (KING) on Arbitrum to Railgun (RAIL) at the best cross-chain rate. SwitchFi routes your KING → RAIL exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
KING to RAIL market data
| Metric | KING · Arbitrum | RAIL |
|---|---|---|
| Price | $216.63 | $2.00 |
| Market cap | $1.35M | $119.82M |
| 24h volume | $6 | $216,026 |
| 24h change | +2.50% | +0.77% |
| 7d change | -4.50% | -5.00% |
| 24h high / low | $214.92 / $208.57 | $2.02 / $1.93 |
| All-time high | $3,401 | $5.66 |
| Market cap rank | #2681 | #239 |
What is the KING to RAIL exchange rate?
At the current market price, 1 KING ≈ 108.315 RAIL, and 1 RAIL ≈ 0.00923233 KING. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
King Protocol is the smaller side of this pair — Railgun's market capitalisation of $119.82M is roughly 89× larger than King Protocol's $1.35M. On the overall leaderboard they sit at #2681 and #239 respectively. Day-on-day, KING printed +2.50% and RAIL printed +0.77%, meaning the exchange rate between them has moved in KING's favour. On a 7-day view the tape shows KING -4.50% and RAIL -5.00%. Liquidity is ample on both legs — KING trades $6 a day and RAIL trades $216,026 — so conversions execute at market rates. Measured from record highs, KING is down 93.6% and RAIL is down 64.7%.
KING to RAIL converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
KING / RAIL 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 King Protocol and Railgun
King Protocol (KING) ranks #2681 by market capitalisation at $1.35M. It is trading 93.6% below its all-time high of $3,401. Circulating supply stands at 6,217 KING. Over the last 7 days KING is -4.50%, and +19.90% across 30 days. Daily turnover comes to $6.
Railgun (RAIL) ranks #239 by market capitalisation at $119.82M. It is trading 64.7% below its all-time high of $5.66. 60.00M RAIL is circulating out of a hard cap of 100.00M RAIL — about 60% of the eventual supply. Over the last 7 days RAIL is -5.00%, and +40.00% across 30 days. Daily turnover comes to $216,026.
How to convert KING to RAIL
- 1 Enter the amount of KING on Arbitrum you want to convert — the swap widget on this page is prefilled with the KING → RAIL 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 RAIL 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 RAIL
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USDC
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Solana
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Dogecoin
KING to RAIL FAQ
What is the KING to RAIL exchange rate?
At current prices one KING converts to about 108.315 RAIL, and one RAIL to about 0.00923233 KING. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert KING to RAIL on SwitchFi?
Enter the amount of KING you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best KING→RAIL path — non-custodial, straight from your wallet.
Is the KING to RAIL 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 KING to RAIL?
SwitchFi shows the network, DEX and bridge fees up front in the quote. You always see the minimum you'll receive before confirming — there are no hidden custody fees because you never give up control of your funds.
Do I need an account to exchange KING for RAIL?
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.