Impermanent Loss Calculator
Enter initial and current token prices for both assets to instantly see impermanent loss percentage, dollar loss, and the fee APR needed to break even.
Pool Parameters
Initial price
$
Current price
$
Initial price
$
Current price
$
$
Enter to see dollar loss and fee breakeven estimates.
Quick scenarios (Token A price change vs stable Token B)
Enter prices above and click Calculate.
Impermanent Loss
0.00%
0.00%
Enter values to compute.
Held Value (HODL)
—
If you never entered the pool
Pool Value
—
Current value in pool
Dollar Loss (IL)
—
Pool value minus HODL value
Price Ratio Change
—
Current vs. initial A/B ratio
Pool Value
HODL Value
Pool is worth 100% of the equivalent HODL position.
Fee Breakeven
Breakeven APR
—
Annual fee yield needed
Loss to Recover
—
Dollar amount from fees
Assumes 1-year holding period. Actual breakeven depends on trading volume and pool fee tier.
Pool Token Breakdown
Token
HODL qty
Pool qty
Token A
—
—
Token B
—
—
Formula Reference
r = (P_A_new / P_A_init) / (P_B_new / P_B_init)
IL = 2 × √r / (1 + r) − 1
IL = 2 × √r / (1 + r) − 1
Applies to constant product AMMs (x×y=k). IL is always ≤ 0 (a cost, never a gain).
Summary
Enter initial and current token prices for both assets to instantly see impermanent loss percentage, dollar loss, and the fee APR needed to break even.
How it works
- Enter the initial price of Token A and Token B in USD when you first added liquidity.
- Enter the current price of Token A and Token B in USD.
- Optionally enter your total initial liquidity deposit in USD.
- The calculator applies the constant product formula (x*y=k) to determine the rebalanced pool ratio.
- It computes the value you would hold if you never entered the pool versus the current pool value.
- Impermanent loss, dollar loss, and the fee APR required to break even are displayed instantly.
Use cases
- Evaluate whether to provide liquidity to a Uniswap v2-style pool before depositing.
- Understand current losses in an active liquidity position during a price divergence.
- Compare IL risk across different token pairs (stablecoin pairs vs. volatile pairs).
- Determine the minimum trading fee APR your pool must generate to offset IL.
- Estimate loss scenarios for extreme price movements (2x, 5x, 10x price changes).
- Educate yourself on AMM mechanics and why IL is often called "divergence loss."
- Decide whether to exit a pool or hold through price volatility.
- Compare concentrated liquidity positions to full-range positions.
Frequently Asked Questions
Last updated: 2026-07-08 ·
Reviewed by Nham Vu