# Watts to Amps Calculator API

> For the complete documentation index, see [llms.txt](/llms.txt).

Convert watts to amps for DC, single-phase AC or three-phase AC systems.

Use this endpoint to add the tool to your app, site, workflow, or agent without rebuilding formulas, validation, examples, and docs.

- Slug: `watts-to-amps-calculator`
- Category: `miscellaneous`
- Version: `2026-04-22`
- Credits per successful call: 1
- Starts on: free
- Max payload: 65536 bytes
- Privacy mode: `hash_only`
- Available on: free, starter, pro, business, scale
- Browser tool: https://miniwebtool.com/watts-to-amps-calculator/

## Endpoint

`POST https://api.miniwebtool.com/v1/tools/watts-to-amps-calculator/run`

## Request body

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `power` | `float` | no | power value |
| `power_unit` | `str` | no | w | kw | mw Choices: w, kw, mw |
| `voltage` | `float` | no | voltage |
| `current_type` | `str` | no | dc | ac1 | ac3 Choices: dc, ac1, ac3 |
| `power_factor` | `float` | no | AC power factor; ignored for DC |

## Example request

```json
{
  "power": 1000,
  "power_unit": "w",
  "voltage": 230,
  "current_type": "ac1",
  "power_factor": 0.8
}
```

## cURL

```bash
curl -X POST https://api.miniwebtool.com/v1/tools/watts-to-amps-calculator/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"power":1000,"power_unit":"w","voltage":230,"current_type":"ac1","power_factor":0.8}'
```

## Response envelope

```json
{
  "request_id": "01K...",
  "tool": "watts-to-amps-calculator",
  "tool_version": "2026-04-22",
  "credits_used": 1,
  "result": {}
}
```

## Errors

Errors are RFC 7807 `application/problem+json`. Branch on `code`, not `title`.

## MCP

Agents can discover and call this tool through `https://api.miniwebtool.com/mcp` or `https://api.miniwebtool.com/v1/mcp` using MCP `tools/list` and `tools/call`.

## Frequently asked

### What does the Watts to Amps Calculator API do?

Convert watts to amps for DC, single-phase AC or three-phase AC systems. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

### How much does one call cost?

1 credit per successful call. Failed calls do not bill.

### What parameters are required?

Required fields: (none). Full schema at `https://api.miniwebtool.com/v1/openapi.json`.

### Is this deterministic?

Yes. Same input, same output. Tool version: 2026-04-22.