Convert 18 ct to t

How to convert carats to metric tons

1. Formula: metric tons = carats × 2e-7
2. Put in the value: 18 carats.
3. Result: 0.0000036 metric tons.

Carats to metric tons table

Converting the other way: metric tons to carats

carats = metric tons × 5,000,000. So 0.0000036 metric tons is back to 18 carats; one metric ton is 5,000,000 carats. See the metric tons to carats table.

Quick estimate in your head

For a rough answer, multiply by about 2e-7: 18 × 2e-7 ≈ 0.0000036 t, against the exact 0.0000036 t (0.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A carat is smaller than a metric ton, so the number of metric tons must come out smaller than the number of carats. If your answer goes the other way, divide instead of multiplying.

About the units

Carat (ct) and metric ton (t) are both units of mass. One carat equals 2e-7 metric tons, and one metric ton equals 5,000,000 carats. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

18 carats in other units

The most readable unit for this amount is grams (3.6).

• 3,600 mg
• 3.6 g
• 0.0036 kg
• 0.0000036 t
• 0.12698626 oz
• 0.00793664 lb
• 0.0005669 st
• 0.00000397 ton

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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