Grams to Tola Converter — Free Gold Weight Calculator

Converting grams to tola is straightforward: divide the weight in grams by 11.6638038. This precise value was standardized in 1833 when the British Indian government defined 1 tola as exactly 180 troy grains, which equals 11.6638038 grams in the modern metric system.

Conversion Formula

Tola = Grams ÷ 11.6638038

For example, to convert 50 grams to tola: 50 ÷ 11.6638038 = 4.2867 tola. You can verify this using our gram to tola chart or the calculator above.

Why 11.6638038 Grams?

The tola originated in ancient India as a weight unit for gold coins. When the British Raj standardized Indian weights under the Indian Coinage Act, they fixed 1 tola at 180 troy grains. Since 1 troy grain equals 0.06479891 grams (as defined by the International Bureau of Weights and Measures), the tola equals exactly 11.6638038 grams. Read the full history of the tola for more context.

Common Mistakes When Converting Grams to Tola

Many jewelers round 1 tola down to 10 grams — a practice that costs buyers approximately 16.6% of the actual gold weight. Always insist on the precise conversion factor. Learn more about this in our article on the 10-gram tola myth.

For tola to gram (reverse) conversions, multiply the number of tolas by 11.6638038. Our gold weight units guide covers all measurement systems including troy ounces, masha, and ratti used across South Asian and Gulf markets.