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Coins / Union / U → B
Union BUILDon

Convert Uon BNB Chain to B

1 U ≈ 0.002183 B

Swap Union (U) on BNB Chain to BUILDon (B) at the best cross-chain rate. SwitchFi routes your U → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.

U to B market data

Metric U · BNB Chain B
Price $0.0002896 $0.1326
Market cap $555,766 $132.67M
24h volume $22,912 $4.11M
24h change -0.40% +0.89%
7d change -1.50% -1.40%
24h high / low $0.0002985 / $0.0002772 $0.1325 / $0.1263
All-time high $0.02768 $0.7626
Market cap rank #3471 #225

What is the U to B exchange rate?

At the current market price, 1 U ≈ 0.002183 B, and 1 B ≈ 458.0861 U. 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 Union is the junior asset: it is valued at $555,766 against BUILDon's $132.67M, a gap of about 239×. U holds rank #3471 while B holds #225 by market capitalisation. Over the past 24 hours U is -0.40% while B is +0.89%, so the U/B rate has moved in B's favour. Zooming out to a week, U has moved -1.50% while B has moved -1.40%. Daily turnover runs at $22,912 for U and $4.11M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, U is down 99.0% and B is down 82.6%.

U to B converter & price calculator

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

U / B conversion tables

U to B
0.1 U0.0002183 B
0.5 U0.0010915 B
1 U0.002183 B
5 U0.01091498 B
10 U0.02182996 B
50 U0.10914978 B
100 U0.21829956 B
500 U1.0915 B
1000 U2.183 B
B to U
0.1 B45.8086 U
0.5 B229.0431 U
1 B458.0861 U
5 B2290.43 U
10 B4580.86 U
50 B22904.31 U
100 B45808.61 U
500 B229043.06 U
1000 B458086.13 U
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About Union and BUILDon

Union (U) ranks #3471 by market capitalisation at $555,766. The price sits 99.0% under the record high of $0.02768. 1.92B U is circulating out of a hard cap of 10.00B U — about 19% of the eventual supply. U has moved -1.50% week-on-week and -11.40% over 30 days. Around $22,912 of U changes hands every 24 hours.

BUILDon (B) ranks #225 by market capitalisation at $132.67M. Compared with its $0.7626 all-time peak, it currently trades 82.6% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -1.40% over 7 days and -25.40% over the past month for B. Around $4.11M of B changes hands every 24 hours.

How to convert U to B

  1. 1 Enter the amount of U on BNB Chain you want to convert — the swap widget on this page is prefilled with the U → B 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 B 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.

Other options to exchange B

Bitcoin BUILDon BTC → B Bitcoin Ethereum BUILDon ETH → B Ethereum Tether BUILDon USDTEthereum → B Tether BNB BUILDon BNB → B BNB XRP BUILDon XRP → B XRP USDC BUILDon USDCEthereum → B USDC Solana BUILDon SOL → B Solana TRON BUILDon TRX → B TRON Figure Heloc BUILDon FIGR_HELOC → B Figure Heloc Hyperliquid BUILDon HYPE → B Hyperliquid Zcash BUILDon ZEC → B Zcash Dogecoin BUILDon DOGE → B Dogecoin

Convert any other cryptocurrency from U

Union Bitcoin UBNB Chain → BTC Bitcoin Union Ethereum UBNB Chain → ETH Ethereum Union Tether UBNB Chain → USDTEthereum Tether Union BNB UBNB Chain → BNB BNB Union XRP UBNB Chain → XRP XRP Union USDC UBNB Chain → USDCEthereum USDC Union Solana UBNB Chain → SOL Solana Union TRON UBNB Chain → TRX TRON Union Figure Heloc UBNB Chain → FIGR_HELOC Figure Heloc Union Hyperliquid UBNB Chain → HYPE Hyperliquid Union Zcash UBNB Chain → ZEC Zcash Union Dogecoin UBNB Chain → DOGE Dogecoin

U to B FAQ

What is the U to B exchange rate?

Right now 1 U ≈ 0.002183 B (and 1 B ≈ 458.0861 U). 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 U to B on SwitchFi?

Type in how much U you're converting, connect a wallet, check the quoted U→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.

Is the U 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 U 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 U for B?

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.