Crypto Fee Comparison Calculator: See the True Cost
Compare the true cost of buying crypto on up to three platforms. Add trading fees, spread, payment fees and flat withdrawal fees to see which costs least.
Fill in each option from its fee page and a live quote. Percentages apply to the amount. Spread is how far the quoted price sits from the mid-market price.
| Option | Fee + spread | Deposit | Flat | Total cost | Effective | vs cheapest |
|---|
How to use this calculator
- Enter the dollar amount you plan to buy. The calculator starts with $1,000.
- Tick Round trip if you also want to count the cost of selling the same amount later. Leave it unticked to price a purchase only.
- For each option, copy the trading fee from the platform’s published fee schedule. If the schedule lists different rates for different order types or volume tiers, use the one that matches how you plan to buy. Our guide to maker, taker and spread costs explains those terms.
- Estimate the spread. At the same moment, note the price you are quoted and the mid-market price, halfway between the best bid and the best ask. Spread % = (quoted price − mid price) ÷ mid price × 100.
- Add any deposit or payment-method fee as a percentage, and any flat fee in dollars, such as a network or withdrawal fee to move coins to your own wallet.
The table ranks the options from cheapest to most expensive and shows how far each one sits above the cheapest, in dollars. For a step-by-step method that covers every cost layer, see how to compare crypto wallet and exchange fees fairly.
How it’s calculated
Cost = A × (f + s) × k + A × d + F Effective % = Cost ÷ A × 100
- A is the amount in US dollars.
- f is the trading fee as a decimal (0.1% = 0.001).
- s is the estimated spread as a decimal.
- k is 2 for a round trip and 1 for a one-way purchase.
- d is the deposit or payment-method fee as a decimal.
- F is the flat network or withdrawal fee in dollars.
Trading fees and spreads are charged on each trade, so a round trip counts them twice. The deposit fee applies once, when money goes in, and the flat fee is counted once, as a single withdrawal. The spread counts as a cost because paying above the mid-market price gets you fewer coins for the same dollars, even when no fee appears on the receipt. That is why the spread is often called a hidden fee.
Worked example
The calculator opens with three hypothetical options and a $1,000 one-way purchase:
| Option | Fee + spread | Deposit | Flat | Total cost | Effective | vs cheapest |
|---|---|---|---|---|---|---|
| Option A (0.1% + 0.1%, $5 flat) | $2.00 | $0.00 | $5.00 | $7.00 | 0.70% | cheapest |
| Option B (0.5% + 0.5%) | $10.00 | $0.00 | $0.00 | $10.00 | 1.00% | +$3.00 |
| Option C (1.49% + 0.5%, 1.5% deposit) | $19.90 | $15.00 | $0.00 | $34.90 | 3.49% | +$27.90 |
For Option A: 1,000 × (0.001 + 0.001) + 5 = $7.00. For Option C: 1,000 × (0.0149 + 0.005) + 1,000 × 0.015 = $19.90 + $15.00 = $34.90.
Tick Round trip and the trading fee and spread are counted twice: Option A becomes $9.00 (0.90%), Option B $20.00 (2.00%) and Option C $54.80 (5.48%).
The ranking also depends on the amount. Setting the one-way costs of A and B equal, 0.002 × A + 5 = 0.01 × A, gives a break-even amount of $625. Below it, Option B is cheaper: at $300, Option A costs $5.60 (1.87%) and Option B $3.00 (1.00%). For a round trip, the break-even amount falls to $312.50.
Tip: Run the numbers at the amount you actually plan to use. An option that is cheapest for $5,000 can be the most expensive for $100.
Limitations
- Fees and spreads change. Spreads can widen quickly in fast markets or for thinly traded coins, so a quote from yesterday may not hold today.
- The round trip assumes you sell the same dollar amount you bought. If the price moves, the selling fee applies to the new value.
- Network fees rise and fall with demand, and withdrawal fees are set by each platform, so a flat dollar figure is a snapshot. Our guide to withdrawal fees versus network fees covers the difference.
- It leaves out slippage on large orders, currency conversion charges, account fees and taxes. Tax rules vary by country; check with a qualified professional.
- Small percentages add up when you trade often, which is why hidden costs can quietly drain returns over time.
- The options and rates in the example are hypothetical, not the fees of any real platform.
Frequently asked questions
What is the spread when buying crypto?
The spread is the gap between the price you are quoted and the mid-market price, which sits halfway between the best bid and the best ask. If the mid price is $100 and your quote is $100.50, you pay a 0.5% spread on top of any trading fee. It rarely shows up as a separate line on a receipt, so the simplest way to measure it is to compare your quote with the mid price at the same moment.
Why does a flat fee matter so much on small purchases?
A flat fee costs the same number of dollars whatever you buy, so its share shrinks as the amount grows. A $5 withdrawal fee is 5% of a $100 purchase but only 0.1% of $5,000. That is why the cheapest option can change with the amount: in the example on this page, the option with a $5 flat fee only becomes the cheapest one-way choice above $625.
Do crypto fees apply when you sell as well as when you buy?
Trading fees and spreads usually apply to every trade, so a position you later sell or convert pays them twice. Comparing only the purchase understates the full cost. Tick Round trip to count those two costs on both legs. Deposit and flat withdrawal fees are counted once, because they are usually one-off events; add them again if your plan involves more transfers.
Where can I find a platform's real fees?
Start with the platform's published fee schedule. It usually lists trading fees by order type or volume tier, plus deposit, payment-method and withdrawal fees. The spread is often not listed, so estimate it from a live quote against the mid-market price. Record every number at the same time, because spreads and network fees can change from minute to minute.
Related guides
Sources
- How Fees and Expenses Affect Your Investment Portfolio – Investor Bulletin — U.S. SEC — Investor.gov
- Glossary: Bid-Ask Spread — U.S. SEC — Investor.gov
- Ethereum gas and fees: technical overview — ethereum.org
This content is for education only and is not financial, investment, tax or legal advice. Crypto assets are volatile and you can lose money. Examples use hypothetical numbers. See our disclaimer and editorial policy.