convert_units
Convert length, mass, volume (UK and US), area, speed, energy, data, pressure and temperature.
1 credit a call. No key needed to start.
Try it
curl "https://ukdata.reliness.co.uk/v1/convert_units?value=10&from=2026-11-02&to=2026-11-30"
Parameters
value(number, required)from(unit, required)to(unit, required)
Use it from an agent
Part of the Reference MCP server at https://ukdata.reliness.co.uk/mcp/reference, or call https://ukdata.reliness.co.uk/v1/convert_units with GET or POST.
{
"mcpServers": {
"uk-data": {
"url": "https://ukdata.reliness.co.uk/mcp/reference"
}
}
}
Every caller gets 25 free credits a day without a key. For more, get a free key with 300 credits at ukdata.reliness.co.uk.