# Unit Converter

URL: https://discuvr.org/unit-converter/
Last updated: 2026-11-01
MCP tool: `convert_units`

Instantly convert between metric and imperial units: km to miles, kg to pounds, °C to °F, liters to gallons, and more. Free, fast, no ads.

Converting between metric and imperial - or between any two units - usually means reaching for a calculator or a search. Type the value and pick your units; the result appears instantly. Supports 40+ unit types across 7 categories.

## What it does

- Convert across 7 categories: length, weight, temperature, volume, speed, area and energy.
- Support for 40+ unit types including metric, imperial and specialized units.
- Instant results as you type - no button required.
- Quick-conversion tiles for the most common conversions.

## How it works

1. Select a category (length, weight, temperature, etc.).
2. Pick the units you want to convert from and to.
3. Enter a value and see the result instantly.

## Common conversions at a glance

Distance: 1 km = 0.621 miles. Weight: 1 kg = 2.205 pounds. Temperature: 0°C = 32°F. Volume: 1 liter = 0.264 gallons. Speed: 100 km/h = 62.1 mph. Tap any quick tile above to populate the fields.

## Accuracy and precision

Results are computed to full floating-point precision then displayed to 6 significant figures. For very large or very small numbers, scientific notation is used. The level of precision shown is appropriate for typical use - recipes, distance estimates, temperature checks, building measurements.

## Questions

**What units are supported?**

Length: mm, cm, m, km, inch, foot, yard, mile, nautical mile. Weight: mg, g, kg, ton, oz, lb, stone. Temperature: °C, °F, K. Volume: ml, L, tsp, tbsp, cup, pint, quart, gallon. Speed: m/s, km/h, mph, knot, ft/s. Area: mm², cm², m², km², in², ft², yd², mi², hectare, acre. Energy: joules, calories, watt-hours and more.

**Can I swap the units?**

Yes. Click the ⇄ button between the unit selectors to swap them instantly.

**Why is the result different than another converter?**

Rounding and display precision vary between tools. This one computes at full precision and shows 6 significant figures - more than enough for recipes, distances, temperatures and building measurements.

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