⚖️ Tonnes (Metric Tons) to Carats Converter

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1 tonne =
5,000,000 carats
1 carat =
2 × 10⁻⁷ tonnes
Formula
ct = t × 5,000,000
Handy values
5 t = 25,000,000 ct · 10 t = 50,000,000 ct · 100 t = 500,000,000 ct

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⚡ Tonnes (Metric Tons) to Carats: the quick answer

1 t = 5,000,000 ct 1 tonne equals 5,000,000 carats

To convert tonnes to carats, multiply the value by 5,000,000. To go the other way, multiply carats by 2 × 10⁻⁷ to get tonnes.

↔ Convert carats to tonnes instead

🧮 Formula

Tonnes (Metric Tons) to Carats
ct = t × 5,000,000
Carats to Tonnes (Metric Tons)
t = ct × 2 × 10⁻⁷

Where

  • t = the weight in tonnes
  • ct = the weight in carats
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per tonne) ÷ (kilograms per carat).

📊 Tonnes (Metric Tons) to Carats conversion table

Tonnes (Metric Tons) (t)Carats (ct)
1 t5,000,000 ct
2 t10,000,000 ct
3 t15,000,000 ct
4 t20,000,000 ct
5 t25,000,000 ct
6 t30,000,000 ct
7 t35,000,000 ct
8 t40,000,000 ct
9 t45,000,000 ct
10 t50,000,000 ct
12 t60,000,000 ct
14 t70,000,000 ct
15 t75,000,000 ct
20 t100,000,000 ct
21 t105,000,000 ct
24 t120,000,000 ct
25 t125,000,000 ct
30 t150,000,000 ct
40 t200,000,000 ct
50 t250,000,000 ct
60 t300,000,000 ct
75 t375,000,000 ct
80 t400,000,000 ct
100 t500,000,000 ct
200 t1,000,000,000 ct
250 t1,250,000,000 ct
300 t1,500,000,000 ct
400 t2,000,000,000 ct
500 t2,500,000,000 ct
750 t3,750,000,000 ct
1,000 t5,000,000,000 ct

📘 About these units

Tonne (t). A tonne (metric ton) is 1,000 kilograms, used for vehicles, cargo, steel and crops.

Carat (ct). The metric carat is 200 milligrams, the unit for diamonds and gemstones.

❓ Frequently asked questions

How many carats are in one tonne?

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

How do I convert tonnes to carats?

Multiply the number of tonnes by 5,000,000. For example, 10 tonnes equal 50,000,000 carats.

How many tonnes are in one carat?

One carat equals 2 × 10⁻⁷ tonnes.

How many carats is 12 tonnes?

60,000,000 carats. Other common values: 5 tonnes = 25,000,000 carats and 100 tonnes = 500,000,000 carats.

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Anonymous · 22 Oct 2026