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Tonne to Carat Converter

Convert Tonnes to Carats

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How to Convert Tonnes to Carats

Converting tonnes (t) to carats (ct) is a common conversion in the jewelry and gemstone industry. One tonne is equal to 5,000,000 carats.

Formula

Carats = Tonnes × 5,000,000

or

ct = t × 5,000,000

Step-by-step process

  1. Take the measurement in tonnes
  2. Multiply that number by 5,000,000
  3. The result is the equivalent amount in carats

Examples

  • 1 t = 5,000,000 ct
  • 0.001 t = 5,000 ct
  • 0.0000002 t = 1 ct

When to Convert Tonnes to Carats

This conversion is essential for jewelers, gemologists, and anyone buying or selling gemstones, as carats are the standard unit of weight for these precious stones.

Common Tonnes to Carats Conversions

Here is a table of common tonne to carat conversions for quick reference:

Tonnes (t) Carats (ct) Tonnes (t) Carats (ct)
1 5,000,000 0.001 5,000
10 50,000,000 0.000001 5
100 500,000,000 0.0000002 1
1,000 5,000,000,000 0.000000001 0.005

Frequently Asked Questions

How many carats are in a tonne?

There are 5,000,000 carats in one tonne.

Why is the conversion factor 5,000,000?

One tonne is 1,000 kilograms, one kilogram is 1,000 grams, and one gram is 5 carats. Therefore, one tonne is 1,000 × 1,000 × 5 = 5,000,000 carats.