Convert REX to B
Swap Etherex (REX) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your REX → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
REX to B market data
| Metric | REX | B |
|---|---|---|
| Price | $0.01082 | $0.1367 |
| Market cap | $625,409 | $136.66M |
| 24h volume | $4,540 | $4.29M |
| 24h change | -11.42% | +5.27% |
| 7d change | +84.90% | -1.60% |
| 24h high / low | $0.01242 / $0.01027 | $0.1376 / $0.1263 |
| All-time high | $0.6239 | $0.7626 |
| Market cap rank | #3305 | #221 |
What is the REX to B exchange rate?
At the current market price, 1 REX ≈ 0.07917837 B, and 1 B ≈ 12.6297 REX. 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 Etherex is the junior asset: it is valued at $625,409 against BUILDon's $136.66M, a gap of about 219×. REX holds rank #3305 while B holds #221 by market capitalisation. The last 24 hours put REX at -11.42% against +5.27% for B — the REX/B rate has moved in B's favour. Zooming out to a week, REX has moved +84.90% while B has moved -1.60%. With $4,540 and $4.29M in respective daily volume, neither side of a REX→B swap struggles for depth. REX currently trades 98.3% below its all-time high, while B sits 82.1% under its own peak.
REX to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
REX / B 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 Etherex and BUILDon
Etherex (REX) is the #3305 cryptocurrency by market cap, worth $625,409 in aggregate. The price sits 98.3% under the record high of $0.6239. There are currently 57.80M REX in circulation. Over the last 7 days REX is +84.90%, and +137.20% across 30 days. Around $4,540 of REX changes hands every 24 hours.
BUILDon (B) ranks #221 by market capitalisation at $136.66M. Compared with its $0.7626 all-time peak, it currently trades 82.1% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -1.60% over 7 days and -22.40% over the past month for B. Around $4.29M of B changes hands every 24 hours.
How to convert REX to B
- 1 Enter the amount of REX you want to convert — the swap widget on this page is prefilled with the REX → B 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 B 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 B
Convert any other cryptocurrency from REX
REX to B FAQ
What is the REX to B exchange rate?
Right now 1 REX ≈ 0.07917837 B (and 1 B ≈ 12.6297 REX). 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 REX to B on SwitchFi?
Enter the amount of REX you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best REX→B path — non-custodial, straight from your wallet.
Is the REX to B 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 REX to B?
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 REX for B?
No account is needed. You connect a wallet, approve the swap and receive the funds directly — there is no registration or KYC step for on-chain swaps.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.