---
title: toDecimal
description: "Convert a hexadecimal string into its decimal number value."
keywords: ["todecimal", "utils", "hex to decimal", "convert hex", "tronweb"]
---
# toDecimal <TitleWithCodeLink2 link="toDecimal" />

Convert a hexadecimal to a decimal number

### Usage

```JavaScript
TronWeb.toDecimal(value);
```

### Parameters

| Parameter | Description       | Data Type |
| --------- | ----------------- | --------- |
| value     | String-Hex string | String    |

### Returns

Number - The hexadecimal value represented by the passed in string.

### Example

```JavaScript
TronWeb.toDecimal('0x15')
// output-start
21
// output-end
```