Convert ONE to B
Swap Harmony (ONE) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your ONE → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
ONE to B market data
| Metric | ONE | B |
|---|---|---|
| Price | $0.0008029 | $0.1295 |
| Market cap | $11.94M | $129.49M |
| 24h volume | $1.77M | $3.61M |
| 24h change | +6.72% | -1.21% |
| 7d change | +6.40% | -5.60% |
| 24h high / low | $0.0008059 / $0.00074 | $0.1325 / $0.1263 |
| All-time high | $0.379 | $0.7626 |
| Market cap rank | #1109 | #227 |
What is the ONE to B exchange rate?
At the current market price, 1 ONE ≈ 0.00620021 B, and 1 B ≈ 161.2848 ONE. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Harmony is the smaller side of this pair — BUILDon's market capitalisation of $129.49M is roughly 11× larger than Harmony's $11.94M. ONE holds rank #1109 while B holds #227 by market capitalisation. The last 24 hours put ONE at +6.72% against -1.21% for B — the ONE/B rate has moved in ONE's favour. On a 7-day view the tape shows ONE +6.40% and B -5.60%. Daily turnover runs at $1.77M for ONE and $3.61M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, ONE is down 99.8% and B is down 83.0%.
ONE to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
ONE / B conversion tables
Your payment wallet can't receive on — its address format differs.
Amounts include provider fees; ★ marks the best-value payment method. Checkout opens securely on the provider's site and is pre-filled with your connected wallet.
() on is not verified and may be a scam or an impostor of a well-known token. You could end up with a token you can't sell.
This browser has no crypto wallet. Pick your wallet app — SwitchFi will open inside its built-in browser, where you can connect.
The app didn't open — it may not be installed. You can still use SwitchFi from any wallet app:
- 1Open your wallet app (MetaMask, OKX, TokenPocket, TronLink…).
- 2Find the Browser / Discover / DApp tab.
- 3Paste this address and open it:
You have more than one wallet installed. Pick the one to connect.
Fetching live quote…
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 Harmony and BUILDon
Harmony (ONE) ranks #1109 by market capitalisation at $11.94M. The price sits 99.8% under the record high of $0.379. Circulating supply stands at 14.87B ONE. Recent performance reads +6.40% over 7 days and -34.00% over the past month for ONE. Its 24-hour trading volume is $1.77M.
BUILDon (B) ranks #227 by market capitalisation at $129.49M. Compared with its $0.7626 all-time peak, it currently trades 83.0% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -5.60% over 7 days and -27.30% over the past month for B. Around $3.61M of B changes hands every 24 hours.
How to convert ONE to B
- 1 Enter the amount of ONE you want to convert — the swap widget on this page is prefilled with the ONE → 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 ONE
ONE to B FAQ
What is the ONE to B exchange rate?
1 ONE is worth roughly 0.00620021 B at the moment (inverted: 1 B ≈ 161.2848 ONE). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert ONE to B on SwitchFi?
Type in how much ONE you're converting, connect a wallet, check the quoted ONE→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the ONE 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 ONE 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 ONE 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.