# 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 campaigns 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, CAP)</td><td>Different types of rewards will inquire different gas fee.  And this gas fee undergoes real-time changes. In general situations, gas fees for tokens will be less than the NFTs and CAPs.</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 on “`Calculator`”.

<figure><img src="https://422440725-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FaikZy1CQmprkOt4N09Jt%2Fuploads%2F0JJH3MQYIj7BUg3quTuM%2FScreen%20Shot%202023-12-06%20at%202.51.48%20PM.png?alt=media&#x26;token=6c328f1d-87d0-4678-80ce-eef77e1231e2" alt=""><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="https://422440725-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FaikZy1CQmprkOt4N09Jt%2Fuploads%2F9kifil9B82LU0bnY93OH%2FScreen%20Shot%202023-12-06%20at%202.52.43%20PM.png?alt=media&#x26;token=0dbef783-5496-41f6-81cf-c13d2f9b0909" alt=""><figcaption></figcaption></figure>