Is there a fee to convert small balances (dust) on an exchange?
It can be. MEXC's guide to converting small balances to MX states a fee rate for the conversion and lists limits — how many times per 24 hours, a per-asset value cap, a per-conversion cap and unsupported tokens. MEXC also said in 2024 that the small-balance conversion fee is not affected by its zero spot-fee promotion. The fee is shown as an estimate on the conversion screen before you confirm, so check that line rather than assuming dust conversion is free.
What MEXC says
MEXC's Learn article "How To Convert Small Balances To MX" (September 2026) describes the tool on the Spot wallet page:
- A fee rate applies to converting small balances to MX — the article states the rate, and the conversion screen shows the estimated fee and the MX you receive before you confirm.
- Limits: a set number of conversions within any 24-hour period, a cap on the value of each asset and on each conversion, and up to 99 assets in one batch.
- Unsupported tokens: delisted tokens, tokens with deposits or withdrawals suspended, tokens with an extreme price move in the last 12 hours, and pairs not based on USDT, USDC, ETH, BTC or USDP.
MEXC's April 2024 notice on spot and futures fees adds that the fee rates for converting small assets to MX are not affected by the zero spot-trading-fee promotion. A pair can trade at zero fee while dust conversion on the same coin still costs something.
Dust conversion vs Convert vs selling on spot
- Dust conversion: swaps many tiny leftovers into the platform token in one go, at the conversion fee rate, within the limits above.
- Convert: a quoted swap for one coin, usually "0 fee" but priced with a spread (Convert fees and spreads).
- Selling on spot: a normal trade at your maker or taker rate — but many dust amounts are below the minimum order size, which is why dust tools exist.
Which is cheapest depends on the amounts: for a balance large enough to sell, a spot order or Convert can cost less than the conversion rate; for amounts below the minimum order size, dust conversion is often the only route.
Dust conversion and fee rebates
A fee rebate is calculated from the trading commission the exchange reports for your account. MEXC's guide describes dust conversion as a wallet tool with its own fee rate, not as an order-book trade, and does not say whether that fee counts toward referral commission — so don't count on it for a rebate. Spot and futures trading fees are what a rebate is built on (what a fee rebate is). Current figures on loweef's partner exchanges:
| Exchange | Total rate | Welcome boost | Effective taker |
|---|---|---|---|
| AlphaX | 65% | — | 0.0175% |
| BingX | 60% | 70% | 0.0200% |
| OKX | 50% | 60% | 0.0250% |
| MEXC | 55% | 65% | 0.0180% |
Figures are estimates based on published fee schedules. Check the estimated fee on the conversion screen before you confirm.
Frequently asked questions
Is converting small balances to MX free on MEXC?
No. MEXC's guide states a fee rate for converting small balances to MX, and its 2024 fee notice says that rate is not affected by the zero spot-fee promotion. The conversion screen shows the estimated fee before you confirm.
Why can't I convert some tokens?
MEXC excludes delisted tokens, tokens with deposits or withdrawals suspended, tokens with an extreme recent price move and pairs not based on USDT, USDC, ETH, BTC or USDP, and limits the value per asset and per conversion.
Does the dust conversion fee count toward a fee rebate?
Don't count on it. A rebate is based on the trading commission the exchange reports, and MEXC does not say the conversion fee is part of its referral commission.
Related terms
Referral commission Fee schedule Futures fee Trading fee Fee rebate
Related questions
- Is crypto Convert really free if it shows a 0% fee?
- MEXC has 0% fees — does a fee rebate still apply?
- Why did I receive less crypto than I bought on spot?
- Is there a fee to move funds from spot to futures?
Source: loweef first-party data — rates last verified 2026-10-08
Last checked: 2026-10-14