PolyTerminal
Free tool
Polymarket Fee Calculator
Free Polymarket taker fee calculator: enter the category, price and shares to see the fee, total cost and break-even probability.
Tools
Free calculators for Polymarket
Small calculators that use the formulas from the official documentation, show their working and send nothing anywhere.
Calculators
Each calculator states its formula and its source, so you can check the result by hand.
Free tool
Polymarket Odds Converter and Payout
Free converter between a Polymarket share price, probability and decimal, American or fractional odds, with payout, profit and break-even.
Free tool
Perps Liquidation Price Calculator
Free Polymarket Perps calculator: estimate the liquidation price of an isolated position, the margin you post and the cost of funding.
Free tool
Perps PnL Calculator
Free Polymarket Perps profit and loss calculator: net PnL after fees, return on margin and the exit price where a long or short breaks even.
Free tool
Perps Funding Rate Calculator
Free Polymarket Perps funding rate calculator: the hourly rate for an average premium, what a long or short pays or receives, and a chart.
PolyTerminal is an independent interface for Polymarket and is not operated or endorsed by Polymarket. Orders placed through PolyTerminal carry PolyTerminal’s Polymarket builder code, and PolyTerminal may charge a builder fee on top of Polymarket’s own fees. Everything here is educational and is not investment advice.