Convert Tola to Ounce
Convert tolas to ounces instantly. 1 tola = 0.4114285718 ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ounce 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.
Ounce
The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.
From Latin 'uncia', meaning a twelfth part.
US food portions, postal weights, and boxing weight classes.
Standardized as 1/16 of the international pound from 1959.
Tola to Ounce 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 ounces:
To convert tolas to ounces, multiply the value in tolas by 0.4114285718. To reverse, multiply ounces by 2.4305555534.
How to use this converter
Type a value into the calculator. The result in ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ounce to Tola converter for the reverse direction.
Step-by-step: convert tolas to ounces
- Write down the value in tolas (tola).
- Multiply that value by the factor 0.4114285718.
- The product is the equivalent value in ounces (oz).
- To reverse, multiply the ounce value by 2.4305555534.
Worked examples
Example 1 — Convert 1 tola to oz:
1 × 0.4114285718 = 0.4114285718 oz
Example 2 — Convert 100 tola to oz:
100 × 0.4114285718 = 41.1428571791 oz
Real-world example — Ruler-scale measurements
A 30-tola school ruler converts cleanly to ounces — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 tola × 0.4114285718 = 12.3428571537 oz
Real-world example — Hardware-scale dimensions
A 10-tola fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between tolas and ounces daily when mixing metric and imperial tools.
10 tola × 0.4114285718 = 4.1142857179 oz
Real-world example — Postcard and small-object dimensions
A postcard is about 5 tolas wide. Converting to ounces is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 tola × 0.4114285718 = 2.057142859 oz
Tola to Ounce conversion table
Standard reference values for converting tolas to ounces:
| Tola [tola] | Ounce [oz] |
|---|---|
| 0.01 | 0.0041142857 |
| 0.1 | 0.0411428572 |
| 1 | 0.4114285718 |
| 2 | 0.8228571436 |
| 3 | 1.2342857154 |
| 4 | 1.6457142872 |
| 5 | 2.057142859 |
| 10 | 4.1142857179 |
| 20 | 8.2285714358 |
| 30 | 12.3428571537 |
| 40 | 16.4571428717 |
| 50 | 20.5714285896 |
| 100 | 41.1428571791 |
| 500 | 205.7142858957 |
| 1000 | 411.4285717914 |
Frequently asked questions
How many ounces is 1 tola?
How do I convert tolas to ounces?
How do I convert ounces back to tolas?
How many ounces is 100 tolas?
Popular weight unit conversions
Convert Tola to other weight units
Show all Tola conversions
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 = 0.4114285718 oz) 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.