Grams to Tonnes Converter
Quick answer: To convert grams to tonnes, multiply by 0.000001. For example, 10 g is 0.00001 t. One gram equals 0.000001 t.
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Use the Grams to Tonnes Converter
Grams to Tonnes formula and what each symbol means
t = g × 0.000001
| Symbol | Meaning |
|---|---|
| g | Gram |
| t | Tonne |
Grams to Tonnes examples
1 g
1 g × 0.000001 = 0.000001 t.
10 g
10 g × 0.000001 = 0.00001 t.
100 g
100 g × 0.000001 = 0.0001 t.
Grams compared with Tonnes
One t is 1,000,000 times as large as one g, so your number gets smaller when you convert grams to tonnes and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About grams and tonnes
Gram (g): One thousandth of a kilogram. Tonne (t): The metric tonne, 1,000 kilograms.
Where grams to tonnes conversions are used
Gym plates, luggage allowances and medical dosing by body mass all need a quick, correct mass conversion. Recipes, parcels and body weight are the everyday cases, and they often switch between kilograms, grams, pounds and ounces.
How to calculate Grams to Tonnes step by step
- Enter the value in g (the starting unit).
- Multiply by 0.000001, because 1 g = 0.000001 t.
- The product is the value in t. To go back, divide by 0.000001 or multiply by 1,000,000.
Popular weight and mass conversions
How to read your Grams to Tonnes result
In everyday use the two are treated as the same on Earth, and these converters work on mass.
| GRAMS | TONNES |
|---|---|
| 1 | 0.000001 |
| 2 | 0.000002 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 20 | 0.00002 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 1,000 | 0.001 |
Tonnes to Grams: quick table
| TONNES | GRAMS |
|---|---|
| 1 | 1,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 250 | 250,000,000 |
| 500 | 500,000,000 |
Common mistakes when calculating Grams to Tonnes
- Forgetting that a stone is 14 pounds, not 10.
- Dividing when you should multiply: from g to t multiply by 0.000001; from t to g divide by 0.000001.
Grams to Tonnes FAQ
How many t are in 1 g?
1 g equals 0.000001 t.
How many g are in 1 t?
1 t equals 1,000,000 g.
Is 1 g = 0.000001 t an exact conversion?
Yes. The gram and the tonne are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.000001 is just that ratio shown to 7 significant figures.
What is a tonne (t)?
The metric tonne, 1,000 kilograms.
How can I estimate grams to tonnes in my head?
One t is 1,000,000 times as large as one g, so your number gets smaller when you convert grams to tonnes and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
What is 0.5 g in tonnes?
0.5 g = 5×10⁻⁷ t (since 0.5 × 0.000001).
What is 25 g in tonnes?
25 g = 0.000025 t (since 25 × 0.000001).
What is 80 g in tonnes?
80 g = 0.00008 t (since 80 × 0.000001).
How many decimals should I keep when converting g to t?
Match the precision of your original measurement. For example, 0.00001 t rounds to 0.00001 t at 3 significant figures; keep more digits only for engineering or scientific work.
More in Weight and Mass converters
- KG to Ounces Converter
- Grams to MG Converter
- KG to Pounds Converter
- Grams to KG Converter
- KG to Tonnes Converter
- MG to Grams Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI base units