Convert Troy Ounce to Tola
Convert troy ounces to tolas instantly. 1 troy ounce = 2.6666666667 tola — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Tola to Troy Ounce converter for the reverse conversion.
Units explained
Troy Ounce
The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.
From the Troy system of weights associated with Troyes, France.
The global standard for pricing gold, silver, platinum, and palladium.
Established in the medieval Troy system and retained for precious metals.
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.
Troy Ounce to Tola 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 troy ounces and tolas:
To convert troy ounces to tolas, multiply the value in troy ounces by 2.6666666667. To reverse, multiply tolas by 0.375.
How to use this converter
Type a value into the calculator. The result in tolas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Tola to Troy Ounce converter for the reverse direction.
Step-by-step: convert troy ounces to tolas
- Write down the value in troy ounces (oz t).
- Multiply that value by the factor 2.6666666667.
- The product is the equivalent value in tolas (tola).
- To reverse, multiply the tola value by 0.375.
Worked examples
Example 1 — Convert 1 oz t to tola:
1 × 2.6666666667 = 2.6666666667 tola
Example 2 — Convert 100 oz t to tola:
100 × 2.6666666667 = 266.6666666667 tola
Real-world example — Postcard and small-object dimensions
A postcard is about 5 troy ounces wide. Converting to tolas is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz t × 2.6666666667 = 13.3333333333 tola
Real-world example — Ruler-scale measurements
A 30-troy ounce school ruler converts cleanly to tolas — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz t × 2.6666666667 = 80 tola
Real-world example — Hardware-scale dimensions
A 10-troy ounce fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between troy ounces and tolas daily when mixing metric and imperial tools.
10 oz t × 2.6666666667 = 26.6666666667 tola
Troy Ounce to Tola conversion table
Standard reference values for converting troy ounces to tolas:
| Troy Ounce [oz t] | Tola [tola] |
|---|---|
| 0.01 | 0.0266666667 |
| 0.1 | 0.2666666667 |
| 1 | 2.6666666667 |
| 2 | 5.3333333333 |
| 3 | 8 |
| 4 | 10.6666666667 |
| 5 | 13.3333333333 |
| 10 | 26.6666666667 |
| 20 | 53.3333333333 |
| 30 | 80 |
| 40 | 106.6666666667 |
| 50 | 133.3333333333 |
| 100 | 266.6666666667 |
| 500 | 1333.3333333333 |
| 1000 | 2666.6666666667 |
Frequently asked questions
How many tolas is 1 troy ounce?
How do I convert troy ounces to tolas?
How do I convert tolas back to troy ounces?
How many tolas is 100 troy ounces?
Popular weight unit conversions
Convert Troy Ounce to other weight units
Show all Troy Ounce conversions
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 oz t = 2.6666666667 tola) 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.