Convert DOTon Optimism to B
Swap Polkadot (DOT) on Optimism to BUILDon (B) at the best cross-chain rate. SwitchFi routes your DOT → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
DOT to B market data
| Metric | DOT · Optimism | B |
|---|---|---|
| Price | $0.8582 | $0.1302 |
| Market cap | $1.46B | $130.16M |
| 24h volume | $133.10M | $3.07M |
| 24h change | +0.09% | -2.34% |
| 7d change | +2.80% | +0.60% |
| 24h high / low | $0.8924 / $0.8386 | $0.1358 / $0.1286 |
| All-time high | $54.98 | $0.7626 |
| Market cap rank | #56 | #222 |
What is the DOT to B exchange rate?
At the current market price, 1 DOT ≈ 6.5937 B, and 1 B ≈ 0.15165946 DOT. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Polkadot is the larger asset of this pair: its market capitalisation of $1.46B is roughly 11× that of BUILDon at $130.16M. They currently rank #56 and #222 among all cryptocurrencies. Over the past 24 hours DOT is +0.09% while B is -2.34%, so the DOT/B rate has moved in DOT's favour. Zooming out to a week, DOT has moved +2.80% while B has moved +0.60%. With $133.10M and $3.07M in respective daily volume, neither side of a DOT→B swap struggles for depth. Measured from record highs, DOT is down 98.4% and B is down 82.9%.
DOT to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
DOT / 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 Polkadot and BUILDon
Polkadot (DOT) is the #56 cryptocurrency by market cap, worth $1.46B in aggregate. The price sits 98.4% under the record high of $54.98. Supply-wise, 81% of the 2.10B DOT maximum (1.70B DOT) is on the market today. Recent performance reads +2.80% over 7 days and +3.70% over the past month for DOT. Daily turnover comes to $133.10M.
BUILDon (B) ranks #222 by market capitalisation at $130.16M. Compared with its $0.7626 all-time peak, it currently trades 82.9% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads +0.60% over 7 days and -21.80% over the past month for B. Around $3.07M of B changes hands every 24 hours.
How to convert DOT to B
- 1 Enter the amount of DOT on Optimism you want to convert — the swap widget on this page is prefilled with the DOT → 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 DOT
DOTOptimism → BTC
Bitcoin
DOTOptimism → ETH
Ethereum
DOTOptimism → USDTEthereum
Tether
DOTOptimism → BNB
BNB
DOTOptimism → XRP
XRP
DOTOptimism → USDCEthereum
USDC
DOTOptimism → SOL
Solana
DOTOptimism → TRX
TRON
DOTOptimism → FIGR_HELOC
Figure Heloc
DOTOptimism → HYPE
Hyperliquid
DOTOptimism → ZEC
Zcash
DOTOptimism → DOGE
Dogecoin
DOT to B FAQ
What is the DOT to B exchange rate?
1 DOT is worth roughly 6.5937 B at the moment (inverted: 1 B ≈ 0.15165946 DOT). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert DOT to B on SwitchFi?
Enter the amount of DOT you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best DOT→B path — non-custodial, straight from your wallet.
Is the DOT to B swap instant?
Same-chain swaps settle in seconds; cross-chain routes typically take a few minutes while the bridge confirms on both sides. You can track live status until the funds land.
Are there fees to convert DOT 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 DOT 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.