Coins / First Digital USD / FDUSD → RAIL
First Digital USD Railgun

Convert FDUSDon Arbitrum to RAIL

1 FDUSD ≈ 0.54557814 RAIL

Swap First Digital USD (FDUSD) on Arbitrum to Railgun (RAIL) at the best cross-chain rate. SwitchFi routes your FDUSD → RAIL exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.

FDUSD to RAIL market data

Metric FDUSD · Arbitrum RAIL
Price $0.9984 $1.83
Market cap $333.88M $109.87M
24h volume $121.50M $248,231
24h change -0.01% -7.42%
7d change +0.00% -5.90%
24h high / low $0.9986 / $0.9981 $2.03 / $1.79
All-time high $1.15 $5.66
Market cap rank #124 #246

What is the FDUSD to RAIL exchange rate?

At the current market price, 1 FDUSD ≈ 0.54557814 RAIL, and 1 RAIL ≈ 1.8329 FDUSD. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.

By market value the pair is uneven — First Digital USD's $333.88M dwarfs Railgun's $109.87M by a factor of about 3.0×. FDUSD holds rank #124 while RAIL holds #246 by market capitalisation. Over the past 24 hours FDUSD is -0.01% while RAIL is -7.42%, so the FDUSD/RAIL rate has moved in FDUSD's favour. Zooming out to a week, FDUSD has moved +0.00% while RAIL has moved -5.90%. Liquidity is ample on both legs — FDUSD trades $121.50M a day and RAIL trades $248,231 — so conversions execute at market rates. Measured from record highs, FDUSD is down 13.3% and RAIL is down 67.6%.

FDUSD to RAIL converter & price calculator

Indicative, based on current market prices. Get a live quote in the swap.

FDUSD / RAIL conversion tables

FDUSD to RAIL
0.1 FDUSD0.05455781 RAIL
0.5 FDUSD0.27278907 RAIL
1 FDUSD0.54557814 RAIL
5 FDUSD2.7279 RAIL
10 FDUSD5.4558 RAIL
50 FDUSD27.2789 RAIL
100 FDUSD54.5578 RAIL
500 FDUSD272.7891 RAIL
1000 FDUSD545.5781 RAIL
RAIL to FDUSD
0.1 RAIL0.1832918 FDUSD
0.5 RAIL0.916459 FDUSD
1 RAIL1.8329 FDUSD
5 RAIL9.1646 FDUSD
10 RAIL18.3292 FDUSD
50 RAIL91.6459 FDUSD
100 RAIL183.2918 FDUSD
500 RAIL916.459 FDUSD
1000 RAIL1832.92 FDUSD
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About First Digital USD and Railgun

First Digital USD (FDUSD) is the #124 cryptocurrency by market cap, worth $333.88M in aggregate. Compared with its $1.15 all-time peak, it currently trades 13.3% lower. Circulating supply stands at 334.42M FDUSD. Recent performance reads +0.00% over 7 days and +0.10% over the past month for FDUSD. Daily turnover comes to $121.50M.

Railgun (RAIL) ranks #246 by market capitalisation at $109.87M. It is trading 67.6% 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 -5.90%, and +25.20% across 30 days. Daily turnover comes to $248,231.

How to convert FDUSD to RAIL

  1. 1 Enter the amount of FDUSD on Arbitrum you want to convert — the swap widget on this page is prefilled with the FDUSD → RAIL pair.
  2. 2 Connect a compatible wallet: MetaMask, OKX, Trust Wallet, TokenPocket, TronLink, UniSat, Phantom and others.
  3. 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. 4 Confirm the transaction in your wallet and track the swap on the My transactions page until the funds arrive.

FDUSD to RAIL FAQ

What is the FDUSD to RAIL exchange rate?

Right now 1 FDUSD ≈ 0.54557814 RAIL (and 1 RAIL ≈ 1.8329 FDUSD). Rates update continuously from live market data; the exact amount you receive is quoted in your wallet before you sign.

How to swap, exchange or convert FDUSD to RAIL on SwitchFi?

Three steps: set the FDUSD amount, connect your wallet, then approve the best quoted FDUSD→RAIL route. Funds move wallet-to-wallet — SwitchFi never holds them.

Is the FDUSD 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 FDUSD 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 FDUSD 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.