Fees & Costs
14 calculators in Fees & Costs: all free, bilingual and computed locally in your browser, with results shareable via links.
Trading Fee Calculator
Estimate open, close and total trading fees for a futures position from prices, quantity and the fee rate.
Funding Rate Calculator
Estimate single and cumulative funding fees for a perpetual position from position value, funding rate and holding periods.
Slippage Cost Calculator
Estimate notional value and the hidden slippage cost of a market order from quantity, price and expected slippage %.
Net PnL with Funding Calculator
Enter direction, entry/exit price, quantity, fee rate and funding % to get net PnL after fees and funding.
Funding Annualized Calculator
Convert a per-period funding rate and periods per day into nominal and compounding-equivalent annualized rates.
Monthly Trading Cost Estimator
From monthly volume, round-trip fee rate and capital, estimate monthly/annual costs as % of capital.
Fee Breakeven Move Calculator
From the combined two-side fee rate, derive the price move needed to truly break even.
Short Borrow Cost Calculator
Estimate the borrow cost of a short from annual rate, notional and holding days.
Limit vs Market Cost Calculator
Compare total fee-inclusive costs of one buy filled at a limit price versus a market price.
Bid-Ask Spread Cost Calculator
From bid/ask quotes, compute one-side and round-trip spread crossing costs and their share of notional.
Constant-Product Price Impact Calculator
Estimate execution price and price impact from pool reserves and trade size under the constant-product model (fees excluded).
Fee Discount & Rebate Calculator
Apply a VIP discount and rebate to a gross fee to find the real net fee and effective rate.
Ethereum Gas Fee Estimator
Gas limit × gas price (Gwei) → fee in ETH and USD at a chosen ETH price.
Funding Rate Cost Table
For 8-hourly funding, compare total funding costs across typical per-period rates for a given notional and days.
Related guides
Trading Costs Guide: Fees, Funding and Slippage
How are trading fees, funding rates, slippage and the break-even price calculated? Why does high leverage not reduce costs? Know the real cost before you claim a trade is profitable.
Read guide →Arbitrage & Hedging Guide: Basis, Funding and Hedge Ratio
What does spot-futures arbitrage earn? How do you estimate funding-rate arbitrage annualized returns? How many futures do you need to hedge? Put “it looks safe” into basis, funding and position math.
Read guide →