Gold Value Calculator · Purity Conversion · Portfolio Tracking · Physical Gold
Gold value by weight and purity

Know the weight of your wealth.

Calculate the estimated metal value of gold by weight and purity, organize physical holdings and track how your gold portfolio changes over time.

Grams · Troy Ounces · Kilograms · 24K · 22K · 18K · 14K
GOLD VALUE CALCULATOR
Example Gold Spot Price $3,540.00 / oz
+0.42%
Estimated Metal Value $11,381.76 Based on example spot pricing for this website concept.
Fine gold content 100.00 g
Equivalent troy ounces 3.215 oz
Purity 99.9%
Weight Conversion Grams, ounces and kilograms
Purity Adjustment Calculate fine gold content
Portfolio Tracking Organize coins, bars and jewelry
Value History See how holdings change over time
More than a simple calculator

Turn physical gold into a portfolio you can actually understand.

Weight of Gold can combine simple metal-value calculation with inventory and portfolio tracking.

01

Gold Value Calculator

Convert weight and purity into estimated fine-gold value using a selected gold price.

02

Purity Conversion

Compare karat ratings and fineness from 24K bullion to common jewelry purity levels.

03

Holdings Inventory

Save bars, coins and jewelry with weight, purity and purchase information.

04

Portfolio Value

See the combined estimated metal value of all physical gold in one place.

05

Purchase Tracking

Record acquisition cost and compare it with current estimated metal value.

06

Private Records

Keep notes, certificates, serial numbers and storage references organized privately.

Physical gold portfolio

A drawer full of gold is still an asset portfolio.

Coins, bars and jewelry can be difficult to value together. Weight of Gold gives every item one consistent value framework.

01
Add each holding Record item type, weight, purity, purchase cost and optional notes.
02
Calculate fine gold Automatically adjust each item's gross weight for purity.
03
See total metal value Combine holdings into one estimated portfolio value.
04
Track value over time Compare cost basis with changes in the underlying metal value.

My Gold Holdings

$42,880 estimated value
100g
100g Gold Bar 24K · 100.00 g fine gold
$11,382 +12.4%
1oz
1 oz Bullion Coin 24K · 31.10 g fine gold
$3,540 +8.1%
22K
22K Gold Coins 86.4 g gross · 79.2 g fine gold
$9,016 +5.8%
250g
250g Gold Bar 24K · 250.00 g fine gold
$28,454 +14.9%
Gold purity guide

The same weight does not mean the same amount of gold.

Purity determines how much fine gold is actually contained in an item.

Investment Gold

24K / 999

High-purity gold commonly associated with bullion bars and many investment coins.

~99.9% Gold
High Purity

22K / 916

Gold alloy commonly used in certain coins and higher-purity jewelry.

~91.67% Gold
Jewelry

18K / 750

Premium jewelry alloy containing three parts gold to one part other metals.

75% Gold
Jewelry

14K / 585

Durable jewelry alloy with lower fine-gold content than 18K or 22K.

58.5% Gold
Useful tools

Everything around one simple question: what is my gold worth?

Calculator

Scrap Gold Value

Estimate fine metal value from weight and purity before dealer spreads or refining costs.

Conversion

Gold Weight Converter

Convert grams, troy ounces, kilograms and other common gold weight units.

Portfolio

Cost Basis Tracker

Record what you paid and compare it with today's estimated metal value.

Records

Gold Inventory

Store notes about coins, bars, jewelry and other physical holdings.

Pricing

Free calculator. Paid tools for serious tracking.

Sample subscription structure for Weight of Gold.

Calculator

Free

$0

For quick gold value and purity calculations.

  • Gold value calculator
  • Purity converter
  • Weight conversion
  • Basic gold price history
Collectors

Pro

$19 / month

For larger collections and detailed inventory records.

  • Everything in Portfolio
  • Certificates & document storage
  • Custom item fields
  • Multiple vault locations
  • Advanced reports
  • Priority support
Weight of Gold

Gold is measured in grams. Wealth is measured in context.

Calculate fine-gold value, organize physical holdings and understand what your gold portfolio is worth.

Calculate My Gold →