Mass • NIST Exact

Kilograms Tonnes

kg → t

1 kg = 0.001 tNIST Exact

kg → t Reference Table

kg t
0.01 kg 0.00001 t
0.1 kg 0.0001 t
0.5 kg 0.0005 t
1 kg 0.001 t
2 kg 0.002 t
5 kg 0.005 t
10 kg 0.01 t
20 kg 0.02 t
50 kg 0.05 t
100 kg 0.1 t
500 kg 0.5 t
1000 kg 1 t

Values based on NIST SP 811 conversion factors

🌍 Real-World Examples

One metric tonne (1000 kg)

1000 kg = 1 t

Average car weight

1500 kg = 1.5 t

Large SUV weight

2500 kg = 2.5 t

Grand piano weight

500 kg = 0.5 t

Why Convert Kilograms to Tonnes?

Converting between kilograms (kg) and tonnes (t) is one of the most common mass conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert kg to t saves time and prevents errors.

Mass conversions between kg and t come up constantly in everyday life. International travelers need to convert luggage weight limits — airlines typically allow 23 kg (≈50.7 lb) for checked bags and 7-10 kg for carry-on. In fitness, gym equipment in the US uses pounds while most of the world uses kilograms. Cooking recipes from different countries require converting between grams, ounces, and pounds for accurate measurements.

How to Convert Kilograms to Tonnes

To convert kilograms to tonnes, use the following formula:

t = kg × 0.001

Example: 1 kg = 0.001 t

For example, 5 kg = 0.005 t, 10 kg = 0.01 t, and 100 kg = 0.1 t. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Use Cases

  • One metric tonne (1000 kg): 1000 kg = 1 t
  • Average car weight: 1500 kg = 1.5 t
  • Large SUV weight: 2500 kg = 2.5 t
  • Grand piano weight: 500 kg = 0.5 t

Common Mistakes to Avoid

  • Confusing mass and weight: In everyday use, "weight" and "mass" are interchangeable, but in science they differ. This converter handles mass units.
  • Pound ambiguity: The avoirdupois pound (lb, used for everyday weight) differs from the troy pound (used for precious metals). This converter uses avoirdupois.
  • Rounding errors in cooking: When converting kg to t for recipes, round to the nearest practical measurement (e.g., nearest 5g or ¼ oz).

Pro Tips

  • Memorize the factor: 1 kg = 0.001 t. For quick mental math, remember this base conversion.
  • Quick reference: 5 kg = 0.005 t · 10 kg = 0.01 t · 25 kg = 0.025 t · 50 kg = 0.05 t · 100 kg = 0.1 t
  • Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.

Kilograms to Tonnes Conversion Table

kgt
0.01 kg0.00001 t
0.1 kg0.0001 t
0.5 kg0.0005 t
1 kg0.001 t
2 kg0.002 t
5 kg0.005 t
10 kg0.01 t
20 kg0.02 t
50 kg0.05 t
100 kg0.1 t
500 kg0.5 t
1000 kg1 t

All values in this table are mathematically exact per NIST SP 811.

Frequently Asked Questions

How many tonnes are in 1 kilogram?

1 kg equals 0.001 t. This is an exact conversion factor defined by NIST.

How do I convert kilograms to tonnes?

Multiply the value in kg by the conversion factor. For example, 10 kg = 0.01 t. Use our calculator above for instant results.

Is the kilograms to tonnes conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

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