Convert KROMon Optimism to B
Swap Kromatika (KROM) on Optimism to BUILDon (B) at the best cross-chain rate. SwitchFi routes your KROM → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
KROM to B market data
| Metric | KROM · Optimism | B |
|---|---|---|
| Price | $0.004848 | $0.1268 |
| Market cap | $480,000 | $126.76M |
| 24h volume | $87 | $3.81M |
| 24h change | +8.22% | -1.56% |
| 7d change | +1.40% | -5.90% |
| 24h high / low | $0.004905 / $0.004444 | $0.1321 / $0.127 |
| All-time high | $0.266 | $0.7626 |
| Market cap rank | #3602 | #232 |
What is the KROM to B exchange rate?
At the current market price, 1 KROM ≈ 0.03825097 B, and 1 B ≈ 26.1431 KROM. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Kromatika is the smaller side of this pair — BUILDon's market capitalisation of $126.76M is roughly 264× larger than Kromatika's $480,000. KROM holds rank #3602 while B holds #232 by market capitalisation. Over the past 24 hours KROM is +8.22% while B is -1.56%, so the KROM/B rate has moved in KROM's favour. Across the last 7 days the comparison reads +1.40% for KROM versus -5.90% for B. With $87 and $3.81M in respective daily volume, neither side of a KROM→B swap struggles for depth. KROM currently trades 98.2% below its all-time high, while B sits 83.4% under its own peak.
KROM to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
KROM / B conversion tables
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Indicative estimate — the exact amount is confirmed in your wallet at execution.
About Kromatika and BUILDon
Kromatika (KROM) is the #3602 cryptocurrency by market cap, worth $480,000 in aggregate. The price sits 98.2% under the record high of $0.266. Supply-wise, 99% of the 100.00M KROM maximum (98.99M KROM) is on the market today. Over the last 7 days KROM is +1.40%, and +60.70% across 30 days. Its 24-hour trading volume is $87.
BUILDon (B) ranks #232 by market capitalisation at $126.76M. Compared with its $0.7626 all-time peak, it currently trades 83.4% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -5.90% over 7 days and -27.10% over the past month for B. Around $3.81M of B changes hands every 24 hours.
How to convert KROM to B
- 1 Enter the amount of KROM on Optimism you want to convert — the swap widget on this page is prefilled with the KROM → 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
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KROM to B FAQ
What is the KROM to B exchange rate?
1 KROM is worth roughly 0.03825097 B at the moment (inverted: 1 B ≈ 26.1431 KROM). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert KROM to B on SwitchFi?
Type in how much KROM you're converting, connect a wallet, check the quoted KROM→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the KROM 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 KROM to B?
The usual on-chain costs apply (network gas plus DEX/bridge fees), but they're disclosed inside the quote together with the minimum received. Nothing is charged for accounts or custody.
Do I need an account to exchange KROM 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.