No API dependency
All calculations run locally in the browser. No registration, no rate limits, and no third-party data sources.
Instantly calculate crypto profit or loss, ROI, total fees, and net trade outcome with a clean manual calculator. Built for traders, investors, and beginners who want fast answers without complexity.
This calculator works entirely on the client side. Users manually enter trade values, fees, and quantity, and the website instantly calculates the full outcome without any API calls, accounts, or external dependencies.
Add the entry price and asset quantity to define the opening side of the trade.
Provide the exit price and fee values, including optional flat fees in advanced mode.
See the net result, ROI, total buy cost, total sell value, and fee breakdown in real time.
The page is designed as a single-file landing page with embedded HTML, CSS, and JavaScript. It is easy to host, easy to customize, and ideal for a fast MVP launch on spookyswap.finance.
All calculations run locally in the browser. No registration, no rate limits, and no third-party data sources.
Outputs update as soon as the user changes any value, removing friction and making the tool feel instant.
The layout adapts cleanly to mobile, tablet, and desktop screens with strong readability and clear call-to-action flow.
Quickly estimate net trade outcomes after exchange fees and compare multiple scenarios before entering or exiting positions.
Measure the result of a buy-and-hold strategy without relying on exchange dashboards or external calculator tools.
Understand how fees affect real profit and learn the difference between gross proceeds and true net return.
Net profit equals the total sell value minus the total buy cost. Percentage fees and optional flat fees are included in the calculation.
Yes. The calculator supports both buy and sell percentage fees, plus optional fixed fees in advanced mode.
It is accurate based on the values the user enters. Since there is no API connection, prices and fees must be provided manually.