---
title: toSun
description: "Converts a TRX value to its SUN equivalent as a string, where 1 SUN equals 0.000001 TRX."
keywords: ["tosun", "utils", "trx to sun", "unit conversion", "tronweb"]
---
# toSun <TitleWithCodeLink2 link="toSun" />

Helper function that will convert a value in TRX to SUN. (1 SUN = 0.000001 TRX).

### Usage

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

### Parameters

| Parameter | Description    | Data Type |
| --------- | -------------- | --------- |
| value     | A number value | Number    |

### Return

String - The value in SUN.

### Example

```JavaScript
TronWeb.toSun(10)
// output-start
"10000000"
// output-end
```