Bitcoin (BTC)Scan to Pay
Paste receiver wallet address below to generate a standardized BIP21 payment link.
Cheapest Cryptocurrencies for $5 and $10 Micro-Payments
Sending small payments in cryptocurrency requires factoring in base layer miner or validator fees. A $5 Bitcoin or Ethereum transfer sent during high mempool activity can incur fees higher than the payment itself.
| Network / Asset | Avg Network Fee | Confirmation Speed | Suitability for Small Transfers |
|---|---|---|---|
| Solana (SOL) | < $0.001 | ~400 ms | Excellent (Best Overall) |
| Litecoin (LTC) | ~ $0.01 - $0.03 | ~2.5 minutes | Excellent (Low Cost) |
| TRON (USDT - TRC20) | ~ $1.00 - $1.50 | Instant | Moderate for $10+ |
| Bitcoin (BTC on-chain) | ~ $1.20 - $4.00+ | 10 - 60 minutes | Poor for ≤ $10 (Use Lightning) |
| Ethereum (ETH L1) | ~ $1.50 - $5.00+ | ~12 seconds | Poor for ≤ $10 (Use L2s) |
How to Pay Crypto Invoices Accurately Without Underpaying
Automated payment gateways like BTCPay Server, BitPay, and Coinbase Commerce enforce strict timeout windows and exact fractional matching. If an invoice requests 0.00007692 BTC and your wallet transmits 0.00007500 BTC due to price slippage or fees being deducted from the principal amount, the checkout gateway flags the order as "Underpaid."
Enter the fiat amount requested on your invoice ($5, $25, €100). Our live Binance engine computes the exact token quantity down to 8 decimal places.
Always configure your crypto wallet so that the transaction fee is paid in addition to the transfer amount, rather than subtracted from the principal.
Click our "QR Code" tool, optionally paste the merchant's address, and scan the barcode. Standard BIP21 protocols automatically fill the recipient address and the exact token amount into your wallet.
Features of Our Free Crypto Payment Calculator
⚡ Sub-Second Live Sync
Market spot prices update automatically every 15 seconds directly from Binance's deep order books.
📱 Integrated QR Generator
Generate payment barcodes containing standard BIP21 crypto URIs compatible with Trust Wallet, Exodus, and MetaMask.
🔢 Satoshi-Level Precision
Convert fiat amounts down to individual Satoshis ($1\text{ BTC} = 100,000,000\text{ sats}$) to prevent checkout underpayments.
⇄ Two-Way Conversion
Seamlessly toggle between fiat purchase estimates and calculating total dollar or euro equivalents of crypto balances.
Frequently Asked Questions
How do I send exactly $5 in Bitcoin without underpaying?
Crypto merchant processors monitor incoming mempool transactions for the exact Satoshi total. By entering $5.00 in the calculator above and copying the resulting 8-decimal figure, you ensure your wallet broadcasts the exact required value.
What are Satoshis?
A Satoshi (sat) is the smallest divisible unit of Bitcoin ($1\text{ BTC} = 100,000,000\text{ Satoshis}$). For micro-transfers like $1, $5, or $10, reading integer satoshis is significantly easier and less prone to decimal typos.
What is the minimum amount of Bitcoin you can send?
The technical protocol minimum is 1 Satoshi (0.00000001 BTC). However, on-chain transactions require satisfying the "dust limit" (typically 546 Satoshis) to prevent transaction rejections by network nodes.