Help & Documentation

Learn how to use Unitconvr's tools, API, and widgets

How to Use the Converter

1

Select Category

Choose from Length, Weight, Temperature, Area, Volume, Speed, or Currency

2

Enter Value

Type the number you want to convert in the input field

3

Choose Units

Select source and target units from the dropdowns

4

Get Results

Results appear instantly with 15 decimal precision

API Documentation

Our free API allows you to integrate unit conversions into your applications.

Single Conversion

POST /api/v1/convert

Convert a single value between units

Batch Conversion

POST /api/v1/batch

Convert multiple values in one request

List Units

help.sections.api.endpoints.units.url

Get all available units for a category

Embed Widgets

Add unit converters to your website with our customizable widgets.

  1. 1Visit the Widget Builder tool
  2. 2Select category and customize appearance
  3. 3Copy the generated code
  4. 4Paste into your website's HTML

Frequently Asked Questions

How accurate are the conversions?

All conversions are accurate to 15 decimal places, suitable for scientific and engineering applications.

Is the service free?

Yes, Unitconvr is completely free to use, including the API and widgets.

Can I use this offline?

Unitconvr works as a Progressive Web App (PWA) with offline support for previously visited pages.

Are there API rate limits?

The API allows 1000 requests per minute per IP address.

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