Mass and Weight · Unit Converter

Convert Exagram to Seer (Ser)

Convert exagrams to seers (ser) instantly. 1 exagram = 1.071692e+15 seer (ser) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Seer (Ser) 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.

Indian / South Asian

Seer (Ser)

What is a seer (ser)?

The seer (ser) equals about 933 grams, or eighty tola (close to one kilogram).

Origin of the seer (ser)

From Hindi/Urdu 'ser', a major pre-metric trade weight.

Where it is used

Historical grain, milk, and produce trade across South Asia.

When and where it was developed

Standardized in British India; aligned near 1 kg after metrication.

Exagram to Seer (Ser) 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 seers (ser):

1 Eg = 1.071692e+15 seer
1 seer = 9.331043e-16 Eg

To convert exagrams to seers (ser), multiply the value in exagrams by 1.071692e+15. To reverse, multiply seers (ser) by 9.331043e-16.

How to use this converter

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

Step-by-step: convert exagrams to seers (ser)

  1. Write down the value in exagrams (Eg).
  2. Multiply that value by the factor 1.071692e+15.
  3. The product is the equivalent value in seers (ser) (seer).
  4. To reverse, multiply the seer (ser) value by 9.331043e-16.

Worked examples

Example 1 — Convert 1 Eg to seer:
1 × 1.071692e+15 = 1.071692e+15 seer

Example 2 — Convert 100 Eg to seer:
100 × 1.071692e+15 = 1.071692e+17 seer

Exagram to Seer (Ser) conversion table

Standard reference values for converting exagrams to seers (ser):

Exagram [Eg]Seer (Ser) [seer]
0.011.071692e+13
0.11.071692e+14
11.071692e+15
22.143383e+15
33.215075e+15
44.286766e+15
55.358458e+15
101.071692e+16
202.143383e+16
303.215075e+16
404.286766e+16
505.358458e+16
1001.071692e+17
5005.358458e+17
10001.071692e+18

Frequently asked questions

How many seers (ser) is 1 exagram?
1 exagram equals 1.071692e+15 seer (ser).
How do I convert exagrams to seers (ser)?
Multiply the value in exagrams by 1.071692e+15 to get seers (ser).
How do I convert seers (ser) back to exagrams?
Multiply the value in seers (ser) by 9.331043e-16, or use the Seer (Ser) to Exagram converter.
How many seers (ser) is 100 exagrams?
100 exagrams equals 1.071692e+17 seers (ser), because 100 × 1.071692e+15 = 1.071692e+17.

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 = 1.071692e+15 seer) verified against the following authoritative sources:

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