Mass and Weight · Unit Converter

Convert Exagram to Mace

Convert exagrams to maces instantly. 1 exagram = 2.645547e+17 mace — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Mace to Exagram converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Metric / SI

Exagram

What is a exagram?

An exagram (Eg) equals 10^15 kilograms, or one quintillion grams.

Origin of the exagram

From the SI prefix 'exa-' (from Greek 'hex', six, denoting the sixth power of 1000).

Where it is used

Confined to planetary- and atmospheric-scale mass discussions; never used in daily measurement.

When and where it was developed

The exa- prefix was adopted by the General Conference on Weights and Measures (CGPM) in 1975.

Troy & Apothecary

Mace

What is a mace?

The mace equals one-tenth of a tael, about 3.78 grams.

Origin of the mace

From the Chinese 'qian'; 'mace' is the European trade name.

Where it is used

Chinese and Southeast Asian gold and traditional-medicine trade.

When and where it was developed

Part of the traditional Chinese tael system.

Exagram to Mace 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 exagrams and maces:

1 Eg = 2.645547e+17 mace
1 mace = 3.779936e-18 Eg

To convert exagrams to maces, multiply the value in exagrams by 2.645547e+17. To reverse, multiply maces by 3.779936e-18.

How to use this converter

Type a value into the calculator. The result in maces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Mace to Exagram converter for the reverse direction.

Step-by-step: convert exagrams to maces

  1. Write down the value in exagrams (Eg).
  2. Multiply that value by the factor 2.645547e+17.
  3. The product is the equivalent value in maces (mace).
  4. To reverse, multiply the mace value by 3.779936e-18.

Worked examples

Example 1 — Convert 1 Eg to mace:
1 × 2.645547e+17 = 2.645547e+17 mace

Example 2 — Convert 100 Eg to mace:
100 × 2.645547e+17 = 2.645547e+19 mace

Exagram to Mace conversion table

Standard reference values for converting exagrams to maces:

Exagram [Eg]Mace [mace]
0.012.645547e+15
0.12.645547e+16
12.645547e+17
25.291095e+17
37.936642e+17
41.058219e+18
51.322774e+18
102.645547e+18
205.291095e+18
307.936642e+18
401.058219e+19
501.322774e+19
1002.645547e+19
5001.322774e+20
10002.645547e+20

Frequently asked questions

How many maces is 1 exagram?
1 exagram equals 2.645547e+17 mace.
How do I convert exagrams to maces?
Multiply the value in exagrams by 2.645547e+17 to get maces.
How do I convert maces back to exagrams?
Multiply the value in maces by 3.779936e-18, or use the Mace to Exagram converter.
How many maces is 100 exagrams?
100 exagrams equals 2.645547e+19 maces, because 100 × 2.645547e+17 = 2.645547e+19.

Convert Exagram to other weight units

Show all Exagram 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)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 Eg = 2.645547e+17 mace) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.