# Gas fee

## Definition

A gas fee is the Ethereum-style transaction fee calculated from the gas used by an operation and the fee paid per unit of gas.

## What it means in practice

Simple ETH transfers and complex smart-contract calls can consume different amounts of gas. L2 networks may use related but distinct fee components.

## How this concept appears in Terenval Wallet

Terenval supports Ethereum and several L2/EVM networks, where users may encounter different gas costs depending on network congestion and the transaction being executed.

**Important:** Lower fees can be a reason to use an L2, but always verify that the destination and asset exist on the selected network.

**[Install Terenval Wallet](https://wallet.terenval.com/?lang=en)**

## Related terms

- [Network fee](https://wallet.terenval.com/glossary/network-fee/)
- [Ethereum](https://wallet.terenval.com/glossary/ethereum/)
- [ETH](https://wallet.terenval.com/glossary/eth/)
- [Layer 2](https://wallet.terenval.com/glossary/layer-2/)
- [Crypto transaction](https://wallet.terenval.com/glossary/crypto-transaction/)

## Related Terenval Answers

- [How to Send Crypto Safely Between Wallets](https://wallet.terenval.com/answers/how-to-send-crypto-safely-between-wallets/)
- [Ethereum Layer 2 Networks and Gas Fees](https://wallet.terenval.com/answers/ethereum-layer-2-networks-and-gas-fees/)
- [Can One Crypto Wallet Manage Multiple Blockchains?](https://wallet.terenval.com/answers/can-one-crypto-wallet-manage-multiple-blockchains/)

## Sources and review

- [Terenval supported networks](https://wallet.terenval.com/info/supported-networks/)
- [Ethereum.org — transactions](https://ethereum.org/en/developers/docs/transactions/)
- [Bitcoin.org — how Bitcoin works](https://bitcoin.org/en/how-it-works)

Published by Terenval. Technical review: Terenval Wallet team. Last reviewed: 2026-10-02. Terenval product statements are first-party information.

Official page: https://wallet.terenval.com/glossary/gas-fee/

[Machine-oriented Terenval index](https://wallet.terenval.com/llms.txt)