# How to Calculate Gas Fee

### The formula for Estimated Gas Fee

**Estimated Gas Fee = Quantity × Airdrop Cost per Rewards × (1+ Reserve Factor)**

<table><thead><tr><th width="194">Items</th><th width="260">Intro</th><th>Note</th></tr></thead><tbody><tr><td>Estimated Gas Fee</td><td>Estimated total gas fee for quests or events.</td><td>Varies across networks.</td></tr><tr><td>Quantity</td><td>Number of winners.</td><td></td></tr><tr><td>Airdrop Cost per Rewards</td><td>The real-time gas fee required to claim each reward (Token, NFT minted on TaskOn).</td><td>Different types of rewards will require different gas fee, which undergoes real-time changes. Generally speaking, gas fees for tokens will be less than the NFTs.</td></tr><tr><td>Reserve Factor</td><td>The coefficient reserved for gas fee fluctuations.</td><td>This coefficient undergoes dynamic adjustments in response to market fluctuations.</td></tr></tbody></table>

### Calculate Gas with Calculator

In Gas Station, you can use the `Calculator` to estimate how much gas fee you need to deposit.&#x20;

1. Click “`Calculator`”.

<figure><img src="/files/vfykKn6p0qX4gJZr2ioD" alt="" width="563"><figcaption></figcaption></figure>

2. Enter the amount of token value, and you will receive the result. Or you can select reward type, enter a number of claims, and you will know the estimated gas fee value.

<figure><img src="/files/hEqWHxEMGJtSgqbzjfV2" alt="" width="324"><figcaption></figcaption></figure>


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