NumSmith

Unit converter

Length, weight, area, volume and temperature — metric, imperial and East Asian units.

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For reference only

Results use standard formulas and published rates. Actual figures may differ due to personal deductions, institution rules and rounding. Do not rely on this alone for legal or financial decisions.

When to use this

Everyday conversions for shopping, travel and recipes. Includes Korean and Japanese traditional units (pyeong/tsubo, don, geun).

How to use it

  1. Choose a category.
  2. Enter a value and units.
  3. Read the result instantly.

Frequently asked questions

What is a pyeong?
A Korean/Japanese area unit equal to 3.3058 m² (about 35.6 sq ft), still common in real estate.

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