Convert Tael to Exagram
Convert taels to exagrams instantly. 1 tael = 3.779936e-17 exagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Exagram to Tael converter for the reverse conversion.
Units explained
Tael
The tael equals about 37.8 grams (ten mace).
From Malay 'tahil'; the Chinese unit is the 'liang'.
East Asian precious-metal and traditional-medicine commerce.
A long-standing East Asian trade weight, with regional variants.
Exagram
An exagram (Eg) equals 10^15 kilograms, or one quintillion grams.
From the SI prefix 'exa-' (from Greek 'hex', six, denoting the sixth power of 1000).
Confined to planetary- and atmospheric-scale mass discussions; never used in daily measurement.
The exa- prefix was adopted by the General Conference on Weights and Measures (CGPM) in 1975.
Tael to Exagram conversion formula
Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.
The relationship between taels and exagrams:
To convert taels to exagrams, multiply the value in taels by 3.779936e-17. To reverse, multiply exagrams by 2.645547e+16.
How to use this converter
Type a value into the calculator. The result in exagrams updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Exagram to Tael converter for the reverse direction.
Step-by-step: convert taels to exagrams
- Write down the value in taels (tael).
- Multiply that value by the factor 3.779936e-17.
- The product is the equivalent value in exagrams (Eg).
- To reverse, multiply the exagram value by 2.645547e+16.
Worked examples
Example 1 — Convert 1 tael to Eg:
1 × 3.779936e-17 = 3.779936e-17 Eg
Example 2 — Convert 100 tael to Eg:
100 × 3.779936e-17 = 3.779936e-15 Eg
Real-world example — Postcard and small-object dimensions
A postcard is about 5 taels wide. Converting to exagrams is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 tael × 3.779936e-17 = 1.889968e-16 Eg
Real-world example — Ruler-scale measurements
A 30-tael school ruler converts cleanly to exagrams — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 tael × 3.779936e-17 = 1.133981e-15 Eg
Real-world example — Hardware-scale dimensions
A 10-tael fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between taels and exagrams daily when mixing metric and imperial tools.
10 tael × 3.779936e-17 = 3.779936e-16 Eg
Tael to Exagram conversion table
Standard reference values for converting taels to exagrams:
| Tael [tael] | Exagram [Eg] |
|---|---|
| 0.01 | 3.779936e-19 |
| 0.1 | 3.779936e-18 |
| 1 | 3.779936e-17 |
| 2 | 7.559872e-17 |
| 3 | 1.133981e-16 |
| 4 | 1.511974e-16 |
| 5 | 1.889968e-16 |
| 10 | 3.779936e-16 |
| 20 | 7.559872e-16 |
| 30 | 1.133981e-15 |
| 40 | 1.511974e-15 |
| 50 | 1.889968e-15 |
| 100 | 3.779936e-15 |
| 500 | 1.889968e-14 |
| 1000 | 3.779936e-14 |
Frequently asked questions
How many exagrams is 1 tael?
How do I convert taels to exagrams?
How do I convert exagrams back to taels?
How many exagrams is 100 taels?
Popular weight unit conversions
Convert Tael to other weight units
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Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 tael = 3.779936e-17 Eg) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.