Convert Exagram to Momme
Convert exagrams to mommes instantly. 1 exagram = 2.666667e+17 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Exagram converter for the reverse conversion.
Units explained
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.
Momme
The momme (mom) equals 3.75 grams.
A traditional Japanese mass unit (Japanese 'monme').
Pearls, and as the standard weight grade for silk fabric.
Part of the traditional Japanese shakkanho system.
Exagram to Momme 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 mommes:
To convert exagrams to mommes, multiply the value in exagrams by 2.666667e+17. To reverse, multiply mommes by 3.75e-18.
How to use this converter
Type a value into the calculator. The result in mommes updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Momme to Exagram converter for the reverse direction.
Step-by-step: convert exagrams to mommes
- Write down the value in exagrams (Eg).
- Multiply that value by the factor 2.666667e+17.
- The product is the equivalent value in mommes (mom).
- To reverse, multiply the momme value by 3.75e-18.
Worked examples
Example 1 — Convert 1 Eg to mom:
1 × 2.666667e+17 = 2.666667e+17 mom
Example 2 — Convert 100 Eg to mom:
100 × 2.666667e+17 = 2.666667e+19 mom
Exagram to Momme conversion table
Standard reference values for converting exagrams to mommes:
| Exagram [Eg] | Momme [mom] |
|---|---|
| 0.01 | 2.666667e+15 |
| 0.1 | 2.666667e+16 |
| 1 | 2.666667e+17 |
| 2 | 5.333333e+17 |
| 3 | 8e+17 |
| 4 | 1.066667e+18 |
| 5 | 1.333333e+18 |
| 10 | 2.666667e+18 |
| 20 | 5.333333e+18 |
| 30 | 8e+18 |
| 40 | 1.066667e+19 |
| 50 | 1.333333e+19 |
| 100 | 2.666667e+19 |
| 500 | 1.333333e+20 |
| 1000 | 2.666667e+20 |
Frequently asked questions
How many mommes is 1 exagram?
How do I convert exagrams to mommes?
How do I convert mommes back to exagrams?
How many mommes is 100 exagrams?
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Indian / South Asian (6 units)
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Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 Eg = 2.666667e+17 mom) 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.