Finance calculators

Coin Calculator

Updated Aug 24, 2026 By Jehan Wadia
Rate Formulas
Currency
Changing the currency empties the coin stage and resets the running total to zero.
Running Total
$1.00
6 coins on the stage
Hide the total to test yourself, then reveal it.
67%
Coin Tray — click or tap a coin to add one, or drag it onto the stage. The tray never runs out.
Coin Stage — coins are grouped by denomination. Focus a coin and press Delete to remove it.
Clear all coins. You will be asked to confirm by pressing the button a second time.
No coin selected. Click or tap a coin on the stage to select it for splitting.
Drop to Remove
Drag a coin from the stage into this zone to remove it. (Mouse-optional: use the × button or the Delete key.)
Denomination Breakdown
Value & Count by Denomination
Step-by-Step Solution

Introduction

This Coin Calculator adds up coins for you. Click a coin in the tray to drop it on the stage, and the running total updates right away. You can work in five currencies: British pounds, euros, US dollars, Canadian dollars, and Australian dollars.

The tool shows more than a total. You get a breakdown table of each coin type, a chart of value and count, and a step-by-step solution that shows the math. Set a target amount to see how close you are, or hide the total and add the coins in your head first, then check your answer.

You can also split a coin into smaller ones. Pick a quarter and split it into two dimes and a nickel, or turn a £1 coin into two 50p pieces. This makes it easy to see how coins fit together. Use it to count spare change, plan a cash payment, teach kids money skills, or practice mental math. If your coins are older silver pieces rather than everyday change, the Silver Coin Calculator works out melt value instead of face value.

How to use our Coin Calculator

Pick your currency, add coins to the stage, and the coin calculator adds them up for you. You get a running total, a count of coins, a breakdown by coin type, a chart, and step-by-step math.

Currency: Choose GBP, EUR, USD, CAD, or AUD. The coin tray changes to match. Switching currency clears the stage and sets the total back to zero. To convert a total from one currency into another, use the Currency Calculator.

Hide Total button: Press it to hide the total, the breakdown, the chart, and the steps. Add up the coins in your head, then press Show Total to check your answer.

Set a Target: Type an amount, like 1.50, to see a progress bar. The tool tells you how much more you need or how much you are over. Leave it blank or use 0 to turn it off. For bigger money goals, the Savings Goal Calculator works the same way over months and years.

Coin Tray: Click or tap a coin to add one to the stage. You can also drag a coin down to the stage. The tray never runs out, and the badge shows how many of that coin you have added.

Coin Stage: Coins group by type. Use the +1 and −1 buttons to change a group fast, click the × on a coin to remove it, or focus a coin and press Delete. You can also drag a coin into the "Drop to Remove" zone.

Split Selected Coin: Click a coin on the stage to select it, then press Split. It swaps that coin for smaller coins of the same value, like one quarter into 2 dimes and 1 nickel's worth of smaller parts. The smallest coin cannot be split.

Clear All: Removes every coin from the stage. Press it twice to confirm.

Calculate and Reset: The total updates on its own, but you can press Calculate to refresh the results. Reset brings back the starting coins, currency, and target.

Counting Coins: How Coin Money Works

Coins are small pieces of metal used as money. Each coin is worth a set amount, called its denomination. When you add the value of every coin in your hand, you get the total amount of money you have.

Big Money and Small Money

Most currencies split money into two parts. The big unit is the dollar, pound, or euro. The small unit is the cent or penny. It takes 100 small units to make 1 big unit. So 100 cents = $1, and 100 pence = £1. This is why $0.75 means 75 cents, or three quarters. If you would rather see that amount as a fraction, try the Decimal to Fraction Calculator.

Common Coins Around the World

  • US Dollar (USD): 1¢ penny, 5¢ nickel, 10¢ dime, 25¢ quarter, 50¢ half dollar, and the $1 coin.
  • British Pound (GBP): 1p, 2p, 5p, 10p, 20p, 50p, £1, and £2. Converting a pound total into dollars is quick with the Pounds To Dollars Calculator.
  • Euro (EUR): 1c, 2c, 5c, 10c, 20c, 50c, €1, and €2. See the Euro To Usd Calculator for exchange amounts.
  • Canadian Dollar (CAD): 5¢ nickel, 10¢ dime, 25¢ quarter, $1 loonie, and $2 toonie. The Cad To Usd Calculator handles cross-border totals.
  • Australian Dollar (AUD): 5¢, 10¢, 20¢, 50¢, $1, and $2.

An Easy Way to Add Coins

The fastest way to count coins is to sort them into piles by type. Count each pile, then multiply the count by the coin's value. For example, 4 quarters is 4 × 25¢ = 100¢, or $1.00. Do this for every pile, then add the subtotals together. Starting with the biggest coins first keeps the numbers simple and cuts down on mistakes. The Sum Calculator is handy if you want to add a long list of subtotals, and the Average Calculator shows the mean value per coin.

Coin Size Does Not Match Coin Value

A bigger coin is not always worth more. A US dime (10¢) is smaller than a nickel (5¢), and a UK 5p is smaller than a 2p. You have to learn the coins by look and design, not by size alone. Weight is a different story for bullion, where the Silver Calculator and Gold Price Calculator price metal by the troy ounce.

Trading Coins for Other Coins

One coin can be swapped for a group of smaller coins with the same total value. A quarter equals 5 nickels. A 50p equals 5 × 10p. A €2 coin equals 2 × €1. This is called making change, and it is how shops give you money back when you pay too much. When tax gets added at the register, the Sales Tax Calculator tells you the final amount to hand over.

Why Coin Counting Matters

Adding coins builds real math skills you use every day: skip counting, times tables, and place value with decimals. It also helps with shopping, saving in a piggy bank, checking your change, and rolling coins for the bank. Once you are comfortable with coins, the same skills carry over to leaving a fair tip with the Tip Calculator, working out savings with the Discount Calculator, and planning monthly spending in the Budget Calculator.


Formulas used

Subtotal for a denomination
S_d = n_d \times v_d
Running total of all coins
\text{Total} = \sum_{d} n_d \times v_d
Total coin count
n_{\text{coins}} = \sum_{d} n_d
Share of total by denomination
\text{Share}_d = \frac{S_d}{\text{Total}} \times 100\%
Progress toward target
P = \min\left(100,\ \max\left(0,\ \frac{\text{Total}}{\text{Target}} \times 100\right)\right)
Difference from target
\Delta = \text{Total} - \text{Target}
Number of smaller coins from splitting one coin
k = \frac{v_{\text{coin}}}{v_{\text{smaller}}}

Frequently asked questions

How many coins can I put on the stage at once?

The stage holds up to 250 coins. If you try to add more, a red message shows up and asks you to remove some coins first. Splitting a coin also counts toward this limit, so a split that would push you past 250 coins is blocked.

Why did my coins disappear when I changed the currency?

Each currency has its own coins, so mixing them would give a wrong total. When you switch to GBP, EUR, USD, CAD, or AUD, the stage empties and the total goes back to zero. Add your coins again from the new tray.

What does the Split button do to a coin?

Split swaps one coin for the largest number of equal smaller coins with the same value. A quarter becomes 5 nickels. A 50p becomes 5 × 10p. A €2 becomes 2 × €1. The money value never changes, only the coins you see.

Why is the Split button greyed out?

Two reasons. First, no coin is selected, so click a coin on the stage first. Second, the coin you picked is the smallest one in that currency, like a US penny or an AUD 5¢. There is nothing smaller to split it into.

Can I use this calculator without a mouse?

Yes. Tab to any coin and press Enter to add or select it. On the stage, press Delete or Backspace to remove a coin, and use the left and right arrow keys to move between coins. Dragging is optional.

How do I remove just one coin instead of all of them?

You have four ways:

  • Click the red × on the coin
  • Press the −1 button on that coin group
  • Focus the coin and press Delete
  • Drag the coin into the Drop to Remove zone

Why do I have to press Clear All twice?

It stops you wiping out your work by accident. The first press turns the button red and asks you to confirm. The second press clears the stage. If you wait about 5 seconds without pressing again, the button goes back to normal and nothing is deleted.

Does this calculator tell me what my coins are worth in silver or gold?

No. This tool only adds up face value, the amount printed on the coin. Old coins made of silver or gold can be worth much more than face value. For metal value, use the Silver Coin Calculator or the Gold Price Calculator.

Can I count paper money or banknotes here?

No, the tray only holds coins. A workaround is to add coins that equal your notes. For a $5 bill, add five $1 coins. The total will be right even though the coins look different.

What does the progress bar color mean?

The bar changes color to show where you stand against your target:

  • Orange — you are still short of the target
  • Green — you hit the target exactly
  • Red — you went over the target

The text under the bar shows the exact amount you are short or over.

How do I turn the target off?

Clear the target box or type 0. The progress bar hides itself and the total keeps working as normal.

Why does the chart show two bars for each coin?

One bar is the money value of that coin type and the other is how many of that coin you have. Ten dimes and one dollar coin are both worth $1.00, but the counts are very different. Two bars let you compare value and count side by side.

Is the Hide Total button good for teaching kids?

Yes, that is the main point of it. Build a pile of coins, hide the total, and let the child add it up on paper or in their head. Then press Show Total to check. It hides the breakdown, chart, and steps too, so the answer stays secret.

Why does the total show cents and not just a plain number?

Money is counted in two parts. 100 cents make 1 dollar, and 100 pence make 1 pound. The calculator works in whole cents behind the scenes, then shows the answer as dollars and cents. This keeps the math exact with no rounding errors.

Can I add the same coin many times fast?

Yes. Once a coin group is on the stage, press its +1 button over and over. The button keeps focus, so you can hit Enter or space again and again without moving the mouse.

Why is the US half dollar in the tray when I never see one?

The 50¢ half dollar is still legal money in the US, it just does not show up in daily change. Banks still hand them out if you ask. It is in the tray so you can count coin rolls, collections, and old jars of change.

Where is the Canadian penny?

Canada stopped making the 1¢ coin in 2012, but old pennies are still worth 1¢. The tray keeps it so you can count coins you already have. Cash prices in Canada now round to the nearest 5 cents.

What is the fastest way to make an exact amount?

Start with the biggest coin that fits, then work down. For $0.87, add three quarters (75¢), one dime (85¢), and two pennies (87¢). Set your target first and watch the bar turn green when you land on it.

Does the step-by-step solution show real math?

Yes. It counts the coins, multiplies each coin value by its count, adds the subtotals, and gives the total. If you set a target, it also subtracts to show the gap. It is the same method you would use on paper.

Do I need to press Calculate?

No. The total, table, chart, and steps update on their own as you add or remove coins. The Calculate button just refreshes the results if you want to double check.