How to Convert Kilograms to Carats (kg to ct)

Updated 5 Oct 2026 in Unit Converters

Weight units matter at the wet market, where older stalls and Chinese medical halls still quote prices per kati or tael, and when following American recipes in ounces and pounds. This guide shows how to convert kilograms into carats by hand, with examples and a quick-reference table.

The conversion

To convert kilograms to carats, multiply the value by 5,000. To go the other way, divide by the same number (or multiply by 0.0002). For a quick estimate, multiply by about 5,000.

Carats = kilograms × 5,000

Worked examples

Kilograms to Carats table

KilogramsCarats
1 kg5,000 ct
2 kg10,000 ct
5 kg25,000 ct
10 kg50,000 ct
20 kg100,000 ct
25 kg125,000 ct
50 kg250,000 ct
100 kg500,000 ct
250 kg1,250,000 ct
500 kg2,500,000 ct
1,000 kg5,000,000 ct

Common questions

Is kg to ct exact?

The factors used here are the internationally defined values where they exist; results are rounded for display only.

How do I convert back?

Use the Carats to Kilograms converter.

Mistakes to avoid

Multiplying when you should divide

Converting to a smaller unit gives a bigger number, and converting to a larger unit gives a smaller one. If your answer moves the wrong way, you have inverted the factor.

Forgetting squared and cubed units

Area and volume factors are the length factor squared or cubed, so 1 m² is about 10.76 sq ft, not 3.28.

Dropping the units

A bare number without a unit is easy to misread later. Always write the unit with the result.

Background

Writing the units next to every number while you work is the simplest way to avoid mistakes. If the units do not cancel to leave the one you want, the calculation is set up wrongly.

Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.

A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.

For any value, use the Kilograms to Carats Converter or browse all weight converters.

Run your own numbers: Kilograms to Carats Converter

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