Mass and Weight · Unit Converter

Convert Tola to Troy Ounce

Convert tolas to troy ounces instantly. 1 tola = 0.375 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce to Tola 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

Indian / South Asian

Tola

What is a tola?

The tola equals 180 troy grains, about 11.6638 grams (three-eighths of a troy ounce).

Origin of the tola

From Sanskrit 'tula', meaning a balance or weighing.

Where it is used

The primary unit for gold and silver across India, Pakistan, and Nepal.

When and where it was developed

Fixed at 180 grains under British India in 1833.

Troy & Apothecary

Troy Ounce

What is a troy ounce?

The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.

Origin of the troy ounce

From the Troy system of weights associated with Troyes, France.

Where it is used

The global standard for pricing gold, silver, platinum, and palladium.

When and where it was developed

Established in the medieval Troy system and retained for precious metals.

Tola to Troy 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 troy ounces:

1 tola = 0.375 oz t
1 oz t = 2.6666666667 tola

To convert tolas to troy ounces, multiply the value in tolas by 0.375. To reverse, multiply troy ounces by 2.6666666667.

How to use this converter

Type a value into the calculator. The result in troy 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 Troy Ounce to Tola converter for the reverse direction.

Step-by-step: convert tolas to troy ounces

  1. Write down the value in tolas (tola).
  2. Multiply that value by the factor 0.375.
  3. The product is the equivalent value in troy ounces (oz t).
  4. To reverse, multiply the troy ounce value by 2.6666666667.

Worked examples

Example 1 — Convert 1 tola to oz t:
1 × 0.375 = 0.375 oz t

Example 2 — Convert 100 tola to oz t:
100 × 0.375 = 37.5 oz t

Real-world example — Ruler-scale measurements

A 30-tola school ruler converts cleanly to troy ounces — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 tola × 0.375 = 11.25 oz t

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 troy ounces daily when mixing metric and imperial tools.

10 tola × 0.375 = 3.75 oz t

Real-world example — Postcard and small-object dimensions

A postcard is about 5 tolas wide. Converting to troy ounces is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 tola × 0.375 = 1.875 oz t

Tola to Troy Ounce conversion table

Standard reference values for converting tolas to troy ounces:

Tola [tola]Troy Ounce [oz t]
0.010.00375
0.10.0375
10.375
20.75
31.125
41.5
51.875
103.75
207.5
3011.25
4015
5018.75
10037.5
500187.5
1000375

Frequently asked questions

How many troy ounces is 1 tola?
1 tola equals 0.375 troy ounce.
How do I convert tolas to troy ounces?
Multiply the value in tolas by 0.375 to get troy ounces.
How do I convert troy ounces back to tolas?
Multiply the value in troy ounces by 2.6666666667, or use the Troy Ounce to Tola converter.
How many troy ounces is 100 tolas?
100 tolas equals 37.5 troy ounces, because 100 × 0.375 = 37.5.

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)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 tola = 0.375 oz t) verified against the following authoritative sources:

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