Convert Tola to Seer (Ser)
Convert tolas to seers (ser) instantly. 1 tola = 0.0125000001 seer (ser) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Seer (Ser) to Tola converter for the reverse conversion.
Units explained
Tola
The tola equals 180 troy grains, about 11.6638 grams (three-eighths of a troy ounce).
From Sanskrit 'tula', meaning a balance or weighing.
The primary unit for gold and silver across India, Pakistan, and Nepal.
Fixed at 180 grains under British India in 1833.
Seer (Ser)
The seer (ser) equals about 933 grams, or eighty tola (close to one kilogram).
From Hindi/Urdu 'ser', a major pre-metric trade weight.
Historical grain, milk, and produce trade across South Asia.
Standardized in British India; aligned near 1 kg after metrication.
Tola 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 tolas and seers (ser):
To convert tolas to seers (ser), multiply the value in tolas by 0.0125000001. To reverse, multiply seers (ser) by 79.9999996571.
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 Tola converter for the reverse direction.
Step-by-step: convert tolas to seers (ser)
- Write down the value in tolas (tola).
- Multiply that value by the factor 0.0125000001.
- The product is the equivalent value in seers (ser) (seer).
- To reverse, multiply the seer (ser) value by 79.9999996571.
Worked examples
Example 1 — Convert 1 tola to seer:
1 × 0.0125000001 = 0.0125000001 seer
Example 2 — Convert 100 tola to seer:
100 × 0.0125000001 = 1.2500000054 seer
Real-world example — Furniture and large objects
A 72-tola piece of furniture converts to a value in seers (ser) that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.
72 tola × 0.0125000001 = 0.9000000039 seer
Real-world example — Children's height milestones
A 150-tola-tall child measures a value in seers (ser) that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.
150 tola × 0.0125000001 = 1.875000008 seer
Real-world example — Body height conversion
You enter your height as 180 tolas into an international job or visa application. The form then asks for the same value in seers (ser) — converting between these adjacent units is one of the most-used length conversions globally.
180 tola × 0.0125000001 = 2.2500000096 seer
Tola to Seer (Ser) conversion table
Standard reference values for converting tolas to seers (ser):
| Tola [tola] | Seer (Ser) [seer] |
|---|---|
| 0.01 | 0.000125 |
| 0.1 | 0.00125 |
| 1 | 0.0125000001 |
| 2 | 0.0250000001 |
| 3 | 0.0375000002 |
| 4 | 0.0500000002 |
| 5 | 0.0625000003 |
| 10 | 0.1250000005 |
| 20 | 0.2500000011 |
| 30 | 0.3750000016 |
| 40 | 0.5000000021 |
| 50 | 0.6250000027 |
| 100 | 1.2500000054 |
| 500 | 6.2500000268 |
| 1000 | 12.5000000536 |
Frequently asked questions
How many seers (ser) is 1 tola?
How do I convert tolas to seers (ser)?
How do I convert seers (ser) back to tolas?
How many seers (ser) is 100 tolas?
Popular weight unit conversions
Convert Tola to other weight units
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Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (5 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 tola = 0.0125000001 seer) 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.