Unit Converter

Free unit converter: metric and imperial for length, weight, area, volume, temperature, speed, data size and time. Results update as you type.

  • Metric ↔ imperial
  • 8 unit categories
  • Instant results

    🔒 Everything is calculated in your browser. No data is sent to any server.

    How to use

    1. Pick a category: length, weight, area, volume, temperature, speed, data size or time.
    2. Enter a value and choose a unit. Conversions to every unit in that category appear below instantly.
    3. Click "Copy" on any row to copy the value. The URL remembers the category, e.g. /unit-converter#area opens area conversion directly.

    FAQ

    How many square meters is 1 ping?

    A ping (坪) is a Taiwanese area unit used for real estate: 1 ping = 400/121 m², about 3.3058 m² (roughly 35.58 sq ft). Conversely, 1 m² is about 0.3025 ping.

    How many kilograms is 1 Taiwan catty?

    1 Taiwan catty (台斤) = 600 g = 0.6 kg = 16 taels (台兩). 1 kg is about 1.67 catties.

    Why does my 1 TB drive show only about 931 GB?

    Drive makers use decimal units (1 TB = 10¹² bytes), while operating systems often use binary units (1 TiB = 1024⁴ bytes). So 1 TB ≈ 931 GiB; no capacity is actually missing.

    How big are a chia and a fen?

    Chia (甲) and fen (分) are Taiwanese land area units: 1 chia = 2,934 ping ≈ 0.97 hectares, and 1 fen = 0.1 chia ≈ 293.4 ping.

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