SilverGoldInvestor tools
Free Gold and Silver Tools & Calculators
Estimate silver coin melt value, calculate junk silver, convert precious-metals weights, and estimate gold purity and raw metal value. Each calculator includes a plain-English methodology and focused learning guides.
Silver coin values
Coin Melt Value Calculator
Estimate the contained-silver melt value of common U.S. dimes, quarters, half dollars, Morgan dollars, and Peace dollars using a current indicative silver price.
Calculate Coin Melt ValueLearn before using the result
- 1964 Quarter Silver ValueSee the silver-content formula and factors that can make market value differ from melt.
- 1964 Dime Silver ValueCalculate the reference silver value of a 1964 Roosevelt dime.
- Coin Melt Value vs Collector ValueUnderstand when date, mint, condition, rarity, and demand matter more than metal content.
90% U.S. silver
Junk Silver Calculator
Enter a mix of 90% silver dimes, quarters, and half dollars to estimate face value, silver weight, and melt value.
Calculate Junk Silver ValueLearn before using the result
- What Is Junk Silver?Learn which circulated U.S. coins are commonly grouped as junk silver and what to verify.
- $100 Face Value Junk SilverEstimate the reference silver weight in $100 face value and why real bags can differ.
Precious-metals weights
Troy Ounce Converter
Convert grams, kilograms, ordinary ounces, grains, pennyweight, and troy ounces without mixing the two ounce systems.
Convert Precious-Metals WeightLearn before using the result
- Grams to Troy OuncesUse the 31.1034768-gram standard and see common conversion examples.
- Ounces vs Troy OuncesLearn why a troy ounce is heavier than an ordinary avoirdupois ounce.
Gold purity and weight
Gold Karat Value Calculator
Estimate purity, pure-gold weight, and raw metal value for 10k, 14k, 18k, 22k, or 24k gold using a current indicative gold price.
Estimate Gold Content ValueLearn before using the result
- 14k Gold Value per GramSee how 58.33% purity is applied to a per-gram raw gold estimate.
- 18k Gold Value per GramSee how 75% purity and 750 fineness relate to raw gold value.