Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Total melt value
$438.52
Melt value per coin
$21.93
Dealer spread ($)
$38.52
Dealer spread (%)
8.8%
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter number of coins.
- 2Enter weight per coin (troy oz).
- 3Enter purity (%).
- 4Enter spot price ($/oz).
- 5Enter dealer offer per coin ($).
- 6Read your total melt value on the right — it updates as you type.
- 7Hit Share to keep the scenario or send it to someone.
About this calculator
Multiply weight by purity by spot price to get melt value, then compare it to what a dealer offers.
Worked example
Using the values the calculator loads with:
Inputs
- Number of coins: 20
- Weight per coin: 0.7734 troy oz
- Purity: 90 %
- Spot price: 31.5 $/oz
- Dealer offer per coin: 20 $
Results
- Total melt value: $438.52
- Melt value per coin: $21.93
- Dealer spread ($): $38.52
- Dealer spread (%): 8.8%
What each field means
Inputs
- Number of coins
- The number of coins used in the calculation. Starts at 20 so you have a working example on load.
- Weight per coin (troy oz)
- The weight per coin used in the calculation, measured in troy oz. Starts at 0.7734 troy oz so you have a working example on load.
- Purity (%)
- The purity used in the calculation, measured in %. Starts at 90 % so you have a working example on load. Accepted range: 1–100 %.
- Spot price ($/oz)
- The spot price used in the calculation, measured in $/oz. Starts at 31.5 $/oz so you have a working example on load.
- Dealer offer per coin ($)
- The dealer offer per coin used in the calculation, measured in $. Starts at 20 $ so you have a working example on load.
Results
- Total melt value
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Melt value per coin
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Dealer spread ($)
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Dealer spread (%)
- Returned as a percentage. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the coin melt value calculator work?
Multiply weight by purity by spot price to get melt value, then compare it to what a dealer offers.
What do I need to enter?
5 values: number of coins, weight per coin, purity, spot price, and dealer offer per coin. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the total melt value result mean?
It is returned as a money amount in US dollars and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
Who is this tool for?
It's built for anyone comparing money scenarios before committing — budgeting a payment, sanity-checking a quote, or seeing what a change in rate or term actually costs.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Coin Melt Value Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/coin-melt-value
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/coin-melt-value" target="_blank" rel="noopener">Coin Melt Value Calculator — RevenueLab</a> (2026).</p>
Source: [Coin Melt Value Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/coin-melt-value) (2026).