Gold Weight Calculator (Grams) — All Units, All Karats, Live Value
A gold weight calculator translates a gram input across every gold weight unit and karat purity simultaneously, then attaches a live money value at the international XAU/USD spot rate. Enter 50 g at 22K and see: 4.287 tola, 1.608 troy oz, 32.15 pennyweight, 9.167 g pure, 0.833 g alloy, 916 fineness, plus dollar/PKR/INR/AED value.
It is the all-in-one calculator for bullion buyers, jewellers and refiners who need to quote across multiple unit systems and karats in the same conversation.
When to use this calculator
- Multi-unit dealer quotes
- International scrap valuation
- Bullion arbitrage analysis
Multi-Unit Weight Conversion for Cross-Market Gold Dealers
International gold dealers and broker-dealers routinely face customers, counterparties and regulatory systems that each require a different weight unit. A Dubai dealer buying from a Karachi supplier receives weight in tola; the delivery note for the refinery must show grams and troy ounces; the customs declaration needs kilograms; and the eventual Hong Kong buyer wants HK tael. A multi-unit calculator eliminates the chain of sequential conversions — and the accumulation of rounding errors — that a single-unit tool forces.
The gram-input variant is the natural entry point because grams are the universal SI reference unit and the denominator of the international XAU/USD spot price derivation. Starting from grams, all other units are derived through exact multiplication: troy oz = g ÷ 31.1035, tola = g ÷ 11.664, HK tael = g ÷ 37.429, dwt = g ÷ 1.5552, grain = g × 15.4324.
For tola-first input — typical for South Asian dealers — the tola-input multi-unit converter keeps the starting unit familiar while producing all international equivalents. For single-unit conversion work (only grams to tola), the dedicated grams to tola calculator is faster. For a cross-unit master reference, the global unit converters page covers all standards on one screen.
Multi-unit cross-walk
From grams: tola = ÷11.664, troy oz = ÷31.1035, HK tael = ÷37.429, pennyweight = ÷1.5552, grains = ×15.4324. Plus karat-purity math for pure-gold yield in each.
Step-by-step calculation
Example: 50 g of 22K gold
- 1
Grams to tola
tola = grams ÷ 11.664
50 ÷ 11.664 = 4.287 tola
- 2
Grams to troy oz
troy oz = grams ÷ 31.1035
50 ÷ 31.1035 = 1.608 troy oz
- 3
Grams to HK tael
tael = grams ÷ 37.429
50 ÷ 37.429 = 1.336 tael
- 4
Grams to pennyweight
dwt = grams ÷ 1.5552
50 ÷ 1.5552 = 32.15 dwt
- 5
Pure gold at 22K
pure (g) = grams × (22 ÷ 24)
50 × 0.9167 = 45.833 g pure = 3.930 tola
Sample conversions
| Input | Result |
|---|---|
| 50 g 22K | 4.287 tola = 1.608 troy oz = 32.15 dwt; pure 45.83 g |
| 100 g 18K | 8.573 tola = 3.215 troy oz = 64.30 dwt; pure 75 g |
Quick Reference — 1 Gram to All Units
| Unit | Value per 1 g |
|---|---|
| Troy ounce | 0.0321507 troy oz |
| Tola | 0.085734 tola |
| Masha | 1.02881 masha |
| Ratti | 8.23045 ratti |
| HK tael | 0.026717 HK tael |
| Pennyweight | 0.64301 dwt |
| Grain | 15.4324 grains |
| Milligram | 1,000.0 mg |
These are per-1-gram ratios. Scale by your input: e.g. 50 g = 50 × 0.0857 = 4.287 tola.
Frequently asked questions
How accurate are the conversion ratios used in this calculator?
All ratios use internationally standardised values: 11.664 g/tola, 31.1035 g/troy oz, 1.5552 g/dwt, 37.429 g/HK tael — the same as LBMA, COMEX and Bombay Bullion Association reference tables.
What is the difference between this and the dedicated grams-to-tola converter?
This multi-unit calculator returns every weight unit simultaneously (troy oz, tola, masha, ratti, HK tael, dwt, grain) plus karat purity and money value. The grams-to-tola converter is a simpler, faster tool if you only need the tola and masha/ratti breakdown.
What units does the gold weight calculator support?
Gram input with outputs in: tola/masha/ratti, troy ounces, HK tael, pennyweight (dwt), grains, kilograms, and milligrams — plus pure gold content and money value at any karat level.
Why do I sometimes get slightly different results from different converter websites?
Different sites use different precision for the tola constant (some use 11.66, 11.67 or 11.664) and for troy oz (31.1 vs 31.1035). Always use 11.664 g/tola (the exact British Indian Mints Act value) and 31.1034768 g/troy oz (the NIST value) for financial precision.
Can I use this calculator for silver, platinum or palladium?
The weight conversions work for any metal — all units are purely mass-based. However, the money-value output is calibrated for gold rates (XAU/USD). For other metals, use only the weight outputs and apply the relevant spot price manually.
What is the most accurate way to weigh gold at home?
Use a digital jeweller scale with 0.01 g precision (Type: AWS series, Fuzion or Pocket Pro). Calibrate with a known-weight calibration mass before each use. Weigh on a flat, vibration-free surface. Avoid weighing in airflow or near magnets. Pocket scales with 0.1 g resolution are not accurate enough for financial valuation.
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