Converting cash to crypto costs something. That part’s unavoidable. What catches people out is that the cost is almost never a single number on a screen.
If you’re standing there with cash in your hand, one question matters: how much crypto actually lands in your wallet? Everything else is packaging.
Here’s how to read a cash conversion before you hand over a dollar.
What does it cost to convert cash to crypto?
The cost of a cash conversion is the gap between the cash you hand over and the crypto value that shows up in your wallet. That gap is built from up to three separate charges:
- A conversion fee — a percentage of your transaction, charged by the service converting your cash
- A service fee — a flat charge from the location handling the transaction
- A spread — a markup built into the rate you’re quoted, so you convert at slightly worse than the market rate
Some services charge all three. Some charge one loudly and the rest quietly. The percentage on the sign rarely tells you the whole story.
Why the spread is the part people miss
A spread is a markup hidden inside the exchange rate rather than shown as a fee.
That’s what makes it slippery. A service can advertise a low posted fee and still take a real cut, because the price you’re quoted is already worse than the actual market price. There’s no line item. You just end up with less crypto than you expected.
This isn’t a crypto invention — airport currency counters and money transfer services have worked this way for decades. But it’s the main reason two conversions with identical posted fees can leave you with very different amounts.
The fix: ignore the advertised percentage. Look at the total on the preview screen. That’s what you’re actually paying.
How do different cash-to-crypto options compare?
Less about specific rates, more about structure — because structure is what drives the cost.
Standalone crypto ATMs and kiosks tend to be the most expensive way to convert cash. They usually combine a posted fee with an exchange-rate markup, and it’s the two together that make the final number sting — Coinme’s analysis of top operator locations put total costs in the 15–30% range once both were counted.*
Online exchanges and trading apps mostly don’t take physical cash at all. You’d need a bank account, a deposit, and a wait before you can convert anything. Their simplified “instant buy” screens typically carry both a fee and a spread, which is why the number on the marketing page and the number on your receipt don’t match.
Converting at retail — handing cash to a cashier at a store you already shop at — is the most direct route. No bank account, no transfer, no trading interface sitting between you and your crypto.
Loading cash with Coinme Cash
With Coinme Cash, you load your Coinme Wallet with cash at the checkout counter of participating retail stores. From there, the wallet handles the rest — your funds arrive in your Coinme Wallet within 15 minutes. The pricing is deliberately straight-forward: a 5% cash exchange fee plus a flat retail service fee of up to $4.74 that varies by location.* Both are shown to you before you agree to anything.
More useful than the digits, though, is the shape of it.
Because part of the cost is a flat fee, the larger the transaction the less % you’ll be paying in transaction fees and exchange fees. Coinme Cash allows up to $500 per transaction and, at that amount, the total amount of value that your receive can be much higher than traditional bitcoin ATMs.
So if you load cash often, fewer and larger loads work out better than lots of little ones. A flat fee gets charged once per transaction no matter the size — so splitting the same amount across five trips means paying it five times. Same money in, less in your wallet, for no reason.
How to load cash at a store
The whole thing takes a couple of minutes:
- Open the Coinme app and choose how much cash you want to load.
- Generate a barcode in the app.
- Go to a participating location — there are thousands across the US.
- Scan the barcode at checkout and hand the cashier your cash to load your Coinme Wallet.
- Your funds arrive in your Coinme Wallet within 15 minutes.
No bank account. No wire transfer. No waiting for funds to clear. You walk in with cash; within 15 minutes your funds are in your wallet.
If your money’s already on a debit card rather than in your pocket, you can also buy crypto with a debit card in the Coinme app.
How to size up any cash conversion
Before you convert anywhere, run through this:
- What’s the total, not the percentage? Add the conversion fee and any flat charge together.
- Is there a spread? If the quoted rate looks worse than the market rate, that’s a cost too. It should be visible in the preview.
- How much crypto lands in my wallet? That’s the real answer. Compare this and nothing else.
- Am I splitting this up unnecessarily? Every flat fee gets charged again.
- Will I move it afterward? Sending crypto out of a wallet is a separate blockchain network fee. It’s not part of the conversion, and it varies with the coin and how busy the network is.
Frequently asked questions
What does it cost to convert cash to crypto?
It depends on the method. Most conversions combine some mix of a percentage conversion fee, a flat service fee, and a spread built into the quoted rate. Coinme Cash charges a 5% cash exchange fee plus a flat retail service fee of up to $4.74, varying by location.* Standalone crypto ATMs sit at the expensive end — Coinme's analysis found total costs of 15–30% at top operator locations.*
Do I need a bank account to convert cash to crypto?
No. Coinme Cash is built for physical cash — you load your Coinme Wallet at a participating store, no bank account required. You'll need a Coinme account with a verified identity, but no bank connection and no transfer.
How long does it take to convert cash to crypto?
At a participating retail location, the cash load completes at the register and your funds arrive in your Coinme Wallet within 15 minutes.
Why did I get less crypto than I expected?
Usually a spread. If a service builds a markup into the quoted rate, you convert at slightly worse than market price, and it never shows up as a separate fee. Check the preview screen for the total before you confirm.
Is it better to convert cash all at once or a bit at a time?
All at once, when a flat service fee is involved. That fee is charged per transaction regardless of size, so spreading the same amount across several visits just multiplies it.
Can I convert crypto back into cash?
Yes — that's a separate process with its own costs. Our guide on how to cash out Bitcoin covers cash pickup and what to expect.
The bottom line
Converting cash to crypto shouldn’t quietly cost you a third of your money. The trick isn’t hunting for the lowest advertised percentage — it’s ignoring the advertised percentage and asking how much crypto ends up in your wallet.
Coinme Cash keeps that simple: one cash exchange fee, one flat service fee, both on screen before you agree. Load your wallet with cash at a store you already shop at, and keep more of what you put in.
*Fees and transaction limits reflect Coinme’s published pricing as of March 24, 2026, and vary by state, location, purchase method, and account status. Subject to change. See Coinme pricing and fees for current rates. Crypto ATM cost range based on Coinme’s analysis of publicly available cost structures of top crypto ATM operator locations as of July 2025; actual costs vary by operator, location, transaction amount, and market conditions.
