Unit Converter

Convert between length, weight, area and volume units online free — support for dozens of measurement units, instant conversion.

Last updated: 10 October 2026

Convert length, weight, area, volume and more between metric and imperial units using standard factors. Verified: 1 mile = 1.60934 km, 5 pounds = 2.268 kg, and 100 square feet = 9.29 square meters.

Unit Converter

1 Meter = 0.001 Kilometers

Worked Examples

Verified conversions

  • 1 mile → 1.60934 kilometers
  • 5 pounds → 2.268 kilograms
  • 100 square feet → 9.29 square meters

Everyday sizes

  • Room in square meters to square feet: multiply by 10.764.
  • Height in feet and inches to centimeters: total inches × 2.54.
  • Cooking volumes: 1 liter ≈ 4.23 US cups — useful when a recipe crosses systems.

About Unit Converter

Convert between units of length, weight, area, volume, and more. Supports meters, feet, inches, kilograms, pounds, liters, gallons, and many other units. We tested by converting 1 mile to kilometers (result: 1.60934 km), 5 pounds to kilograms (result: 2.268 kg), and 100 square feet to square meters (result: 9.29 m²) — all matched standard conversion factors.

Limits: Temperature conversions use fixed formulas — no intermediate unit support; Does not support currency conversion; Historical or regional unit variations (e.g., different gallon definitions) use the most common standard

Who Uses This Tool

  • A recipe developer converting 2.5 cups to milliliters for a metric-version recipe card
  • A runner converting their 3-mile training route to kilometers for a race bib pace chart
  • A warehouse manager converting 450 square feet of shelf space to square meters for a European supplier

Key Features

  • Multiple unit categories
  • Instant conversion
  • Bidirectional — swap units
  • Full decimal precision
  • Area and volume units

How to use Unit Converter

  1. Select the unit category (length, weight, etc.).
  2. Enter the value and select from/to units.
  3. See the conversion instantly.

How It Compares

Unlike Google's unit converter which requires an internet connection and returns minimal context, this tool works offline and shows multiple units simultaneously. It also supports area and volume categories that many free converters split into separate tools.

Privacy & Security

Because processing happens directly in your browser, your files and input are not uploaded to our servers.

Written and checked by Mohammad Sohail

Conversion factors re-checked on 10 October 2026 against standard reference values.

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Frequently Asked Questions

What unit categories are supported?

Length, weight, area, volume, temperature, and speed.

How do I switch between imperial and metric?

Select the 'From' and 'To' dropdowns to pick units from different systems. For example, select 'feet' as From and 'meters' as To.

Are the conversion factors accurate?

Yes. All conversions use standard internationally recognized conversion factors with full decimal precision.

Can I convert between areas?

Yes. Select the 'Area' category to convert between square meters, square feet, acres, hectares, and more.

Does it support very large or small numbers?

Yes. The converter handles values from micro to giga scales using scientific notation internally, with full JavaScript number precision.

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