Instant Web3 Profit Calculator
Trade with clarity by seeing true net PnL in seconds—including slippage, DEX fees, and real gas in USD—before committing capital.
Automated Profit Calculator for Web3 Traders
Estimate net PnL with DEX fees, slippage, and gas in USD (Ethereum-focused helpers included)
Common Uniswap fee tiers
Ethereum Gas & Price (optional helpers)
Why this matters
On-chain profits swing on small edges like fee tier selection and minute-by-minute gas, so modeling these costs upfront prevents avoidable losses.
What this tool calculates
- Gross cost and proceeds using buy/sell price and quantity, then adjusts for slippage to reflect real execution.
- DEX fees at common Uniswap tiers (0.01%, 0.05%, 0.30%, 1.00%) applied to both legs to mirror pool mechanics.
- Gas in USD from gas units × gwei × ETH/USD, with optional live gas and price fetch for quick estimates.
- Net PnL, ROI percentage, and breakeven sell price so targets and risk are visible at a glance.
Key features traders love
- Slippage-aware math that converts intent into likely fill outcomes for tighter planning and fewer surprises.
- One-tap helpers for ETH gas and ETH/USD via widely used public endpoints to speed up decisions.
- Fee-tier presets matching Uniswap pools, so what’s modeled aligns with how swaps are actually charged.
How to use it
- Enter buy price, sell price, and quantity; then set fee tier and slippage to match the route or pool.
- Auto-fill gas price and ETH/USD or input them manually; the calculator converts gas to USD instantly.
- Click calculate to see net PnL, ROI, and breakeven, then refine entries until targets and costs align.
Pro tips to boost results
- Match the exact Uniswap fee tier of the pool being routed to, as tier differences materially change net outcomes.
- Re-check gas in volatile periods; spreads and L2 bridges can shift execution costs significantly within minutes.
- Use power-word CTAs and crisp headings when sharing results with a team to speed decisions and reduce hesitation.
FAQ
Which fee tiers are supported?
The calculator includes Uniswap’s typical tiers—0.01%, 0.05%, 0.30%, and 1.0%—to mirror v3 pool mechanics.
Where does gas data come from?
It’s based on Ethereum gas oracle endpoints (Safe/Propose/Fast), or manual entries when needed.
How should ETH/USD be set?
Use a reputable crypto pricing API or the built-in fetch for fast, indicative pricing.
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