How to use Slippage Calculator
Enter expected price, size, and a slippage percent or tolerance. Read illustrative worse fill and notional impact.
Example: swapping $1,000 with 0.5% slippage
You swap $1,000 on a DEX with a 0.3% fee and a 0.5% slippage tolerance.
- After fee = $1,000 × (1 − 0.3%) = $997
- Minimum received = $997 × (1 − 0.5%) = $992.02
In the worst case within your tolerance you receive $992.02, losing $7.99 to fees and slippage. A tighter slippage setting protects you but can make the swap fail.
Formula & methodology
Illustrative fill ≈ expected × (1 ± slippage%). Notional impact ≈ size × price gap. Venue curves differ.
Estimate slippage before large crypto swaps
Thin books and AMM pools move against large marketable size. Slippage estimates set expectations before you widen tolerance blindly.
Too-tight tolerance fails; too-loose tolerance accepts bad fills. Simulate on the DEX or CEX you will use.
Pair with fee break-even and the converter for mid-market context — not as a guaranteed quote.
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