Convert metric tons to carats

1 t=5,000,000ct

Use the converter below to change any metric tons value into carats instantly — with formula, conversion table, and real-world examples.

You have

Equals

5,000,000

Conversion formula

Forward

carats = metric tons × 5,000,000

Reverse

metric tons = carats × 2.0000e-7

Example: 10 t × 5,000,000 = 50,000,000 ct.

About both units

From

Metric Ton

The metric ton (also "tonne" in British English) equals 1000 kilograms exactly. It is the standard tonnage unit in international shipping, agriculture and industrial production. Do not confuse it with the US short ton (907 kg) or the British long ton (1016 kg).

Real-world: A mid-size car weighs about 1.5 t. A 20-ft shipping container holds up to 28 t. Global steel output is about 1,900 million tonnes per year.

Read full metric ton reference →

Carat

The metric carat equals 200 milligrams exactly. It is the standard unit for gemstone weight — diamonds, rubies, sapphires and emeralds are sold by the carat. Do not confuse with the purity carat (karat) used for gold (24K = pure gold).

Real-world: A 1-carat diamond weighs 200 mg and is typically 6.5 mm across. The Hope Diamond is 45.52 carats (9.1 g).

Read full carat reference →

Metric Ton to Carat conversion table

Common metric tons to carats values for quick reference.

Metric Ton (t)	Carat (ct)
1 t	5,000,000 ct
5 t	25,000,000 ct
10 t	50,000,000 ct
25 t	125,000,000 ct
50 t	250,000,000 ct
100 t	500,000,000 ct
250 t	1,250,000,000 ct
500 t	2,500,000,000 ct
1,000 t	5,000,000,000 ct
5,000 t	25,000,000,000 ct

Tips & common mistakes

Quick tips

1 t = 1000 kg exactly. The British "tonne" and the metric "ton" are identical.
In export contracts always specify "metric ton" or "MT" to avoid ambiguity with US or UK tons.
Commodity prices (wheat, sugar, iron ore) are usually quoted per metric ton.

Avoid these

Using "ton" without qualifier in US contracts — default is often the short ton (907 kg), a 9% gap.
Confusing metric ton with long ton on UK-origin commodity contracts.
Writing "ton" when accuracy matters in shipping — always write "MT" or "tonne".

Frequently asked questions

How many carats in a metric ton?

One metric ton equals 5,000,000 carats.

How do I convert metric tons to carats?

Multiply the metric ton value by 5,000,000 to get the equivalent in carats.

What is 100 metric tons in carats?

100 metric tons equals 500,000,000 carats.

Is a metric ton bigger than a carat?

Yes. 1 metric ton equals 5,000,000 carats, so one metric ton is larger.

How to convert metric tons to carats without a calculator?

Multiply by 5,000,000 for a quick estimate; use a calculator for precise results.

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