Convert USD3on Base to B
Swap Web 3 Dollar (USD3) on Base to BUILDon (B) at the best cross-chain rate. SwitchFi routes your USD3 → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
USD3 to B market data
| Metric | USD3 · Base | B |
|---|---|---|
| Price | $1.10 | $0.1494 |
| Market cap | $4.56M | $149.41M |
| 24h volume | $9,345 | $6.09M |
| 24h change | +0.48% | -2.17% |
| 7d change | +0.38% | -38.50% |
| 24h high / low | $1.10 / $1.09 | $0.1616 / $0.1492 |
| All-time high | $1.17 | $0.7635 |
| Market cap rank | #1608 | #201 |
What is the USD3 to B exchange rate?
At the current market price, 1 USD3 ≈ 7.3557 B, and 1 B ≈ 0.13594904 USD3. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
BUILDon carries the larger market value of the two — $149.41M versus $4.56M for Web 3 Dollar. On the overall leaderboard they sit at #1608 and #201 respectively. Over the past 24 hours USD3 is +0.48% while B is -2.17%, so the USD3/B rate has moved in USD3's favour. Zooming out to a week, USD3 has moved +0.38% while B has moved -38.50%. With $9,345 and $6.09M in respective daily volume, neither side of a USD3→B swap struggles for depth. USD3 currently trades 6.0% below its all-time high, while B sits 80.5% under its own peak.
USD3 to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
USD3 / 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 Web 3 Dollar and BUILDon
Web 3 Dollar (USD3) is the #1608 cryptocurrency by market cap, worth $4.56M in aggregate. Compared with its $1.17 all-time peak, it currently trades 6.0% lower. There are currently 4.15M USD3 in circulation. Over the last 7 days USD3 is +0.38%, and +0.19% across 30 days. Around $9,345 of USD3 changes hands every 24 hours.
BUILDon (B) ranks #201 by market capitalisation at $149.41M. Compared with its $0.7635 all-time peak, it currently trades 80.5% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -38.50% over 7 days and -45.62% over the past month for B. Around $6.09M of B changes hands every 24 hours.
How to convert USD3 to B
- 1 Enter the amount of USD3 on Base you want to convert — the swap widget on this page is prefilled with the USD3 → 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 USD3
USD3Base → BTC
Bitcoin
USD3Base → ETH
Ethereum
USD3Base → USDTEthereum
Tether
USD3Base → BNB
BNB
USD3Base → USDCEthereum
USDC
USD3Base → XRP
XRP
USD3Base → SOL
Solana
USD3Base → TRX
TRON
USD3Base → FIGR_HELOC
Figure Heloc
USD3Base → HYPE
Hyperliquid
USD3Base → DOGE
Dogecoin
USD3Base → USDSEthereum
USDS
USD3 to B FAQ
What is the USD3 to B exchange rate?
1 USD3 is worth roughly 7.3557 B at the moment (inverted: 1 B ≈ 0.13594904 USD3). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert USD3 to B on SwitchFi?
Enter the amount of USD3 you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best USD3→B path — non-custodial, straight from your wallet.
Is the USD3 to B 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 USD3 to B?
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 USD3 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.