Convert Gigagram to Ton (long, UK)
Convert gigagrams to tons (long, uk) instantly. 1 gigagram = 984.2065276111 ton (long, uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (long, UK) to Gigagram converter for the reverse conversion.
Units explained
Gigagram
A gigagram (Gg) equals 10^6 kilograms, the same as 1,000 metric tons.
From the SI prefix 'giga-' (from Greek 'gigas', giant).
Bulk commodity, emissions, and freight accounting.
The giga- prefix entered the SI in 1960.
Ton (long, UK)
The long (UK) ton equals 2,240 pounds, about 1,016 kilograms.
The British imperial ton, equal to 20 long hundredweight.
UK shipping and historical heavy industry.
Standardized within the British imperial system.
Gigagram to Ton (long, UK) conversion formula
The relationship between gigagrams and tons (long, uk):
To convert gigagrams to tons (long, uk), multiply the value in gigagrams by 984.2065276111. To reverse, multiply tons (long, uk) by 0.0010160469.
How to use this converter
Type a value into the calculator. The result in tons (long, uk) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ton (long, UK) to Gigagram converter for the reverse direction.
Step-by-step: convert gigagrams to tons (long, uk)
- Write down the value in gigagrams (Gg).
- Multiply that value by the factor 984.2065276111.
- The product is the equivalent value in tons (long, uk) (long tn).
- To reverse, multiply the ton (long, uk) value by 0.0010160469.
Worked examples
Example 1 — Convert 1 Gg to long tn:
1 × 984.2065276111 = 984.2065276111 long tn
Example 2 — Convert 100 Gg to long tn:
100 × 984.2065276111 = 98420.6527611061 long tn
Gigagram to Ton (long, UK) conversion table
Standard reference values for converting gigagrams to tons (long, uk):
| Gigagram [Gg] | Ton (long, UK) [long tn] |
|---|---|
| 0.01 | 9.8420652761 |
| 0.1 | 98.4206527611 |
| 1 | 984.2065276111 |
| 2 | 1968.4130552221 |
| 3 | 2952.6195828332 |
| 4 | 3936.8261104442 |
| 5 | 4921.0326380553 |
| 10 | 9842.0652761106 |
| 20 | 19684.1305522212 |
| 30 | 29526.1958283318 |
| 40 | 39368.2611044424 |
| 50 | 49210.326380553 |
| 100 | 98420.6527611061 |
| 500 | 492103.2638055303 |
| 1000 | 984206.5276110607 |
Frequently asked questions
How many tons (long, uk) is 1 gigagram?
How do I convert gigagrams to tons (long, uk)?
How do I convert tons (long, uk) back to gigagrams?
How many tons (long, uk) is 100 gigagrams?
Popular weight unit conversions
Convert Gigagram to other weight units
Show all Gigagram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 Gg = 984.2065276111 long tn) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.