Calculating your TRX network fee before sending a transaction can save you from unexpected costs and failed transfers. TRON fees depend on transaction type, resource availability, and whether the recipient address is newly activated. Here is how to estimate your cost accurately.
Bandwidth consumption equals the byte size of your transaction multiplied by 1,000 SUN per byte — while Energy is metered by smart contract complexity and can vary per transfer.
For a native TRX transfer, bandwidth consumption is approximately 268 bytes. With the free daily allowance of 600 Bandwidth points, most TRX transfers cost nothing in fees. Once the free allowance is used, the cost is 268 x 1,000 SUN = 268,000 SUN, or about 0.268 TRX. For TRC-10 token transfers, the fee structure is similar to TRX — primarily Bandwidth with minimal or no Energy required.
TRC-20 transfers are more complex. The formula for an estimated fee without Energy is: Energy needed multiplied by Energy price per unit, plus Bandwidth consumed multiplied by Bandwidth price. For USDT TRC-20, Energy needed is approximately 31,895 units. At the current network rate, this produces a fee of roughly 13 TRX for established addresses and 27 TRX for new addresses. With Energy delegation, this drops to approximately 4 TRX.
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