Unit Convert

Calculators REST API MCP

Convert between length, weight, volume, area, speed, and temperature units (km/mi/m/ft, kg/lb, L/gal, m²/ha/acre, mph/kph/knot, °C/°F/K).

This page documents the HTTP endpoint POST /api/tools/unit-convert/execute. See the MCP reference →

Use in the browser View as Markdown

Call it over REST

POST https://api.findutils.com/api/tools/unit-convert/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/unit-convert/execute \
  -H "Content-Type: application/json" \
  -d '{
    "value": 1,
    "from": "km",
    "to": "mi"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/unit-convert

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument	Type	Required	Description
value	number	yes	Numeric value to convert.
from	string	yes	Source unit (e.g. "km", "lb", "C").
to	string	yes	Target unit.

Example arguments (verified)

{
  "value": 1,
  "from": "km",
  "to": "mi"
}

Also an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:unit_convert after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/

Open the MCP reference for Unit Convert →

More Calculators tools

Bmi Calculate

Compute Body Mass Index (BMI) with metric (kg/cm) or imperial (lb/in) units.

Body Fat Calculator

Estimate body fat percentage, fat mass, lean mass, BMI, and a body-composition category.

Carbon Footprint Calculator

Estimate an annual personal carbon footprint in tonnes of CO2 from home energy, transportation, and lifestyle, with a per-category breakdown

Chmod Calculate

Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permissions.

Cloudflare Cost Calculate

Estimate monthly Cloudflare developer platform costs (Workers, D1, R2, KV, Durable Objects) under free or $5 Workers Paid plans.

Daily Habit Calculator

Calculate how a daily habit adds up over a week, a month (30 days), a year (365 days), or a custom date range: total units, total cost, and

Gcd Calculate

Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two non-negative integers.

Llm Requirements Calculator

Estimate the VRAM, system RAM, and disk space needed to run an open-weight LLM locally, and which common GPUs and Macs it fits on.