doomath Calculator
Crypto & Investment ROI Calculator
Calculate investment return, trading fees, net profit and break-even exit price with live CoinGecko API data.
InputsChange a value to recalculate instantly
ResultUpdates as you type
PHYSICAL SIMULATOR
Cryptocurrency & Asset ROI Return Simulator
LIVE ENGINE 60FPS
Asset Price Momentum & ROI Simulation
Live sparkline and volatility projection model for investment entry and exit targets.
📈 LIVE MOMENTUM OSCILLATOR ACTIVE
FORMULA & STEPSCrypto & Investment ROI Calculator — Mathematical Derivation & Steps
3 StepsSequential Calculation Breakdown
1
Initial Position & Purchase Outlay
Includes base purchase capital plus exchange execution fee.
2
Target Exit & Liquidation Proceeds
Gross revenue minus exchange liquidation commission.
3
Net Return & Break-Even Evaluation
The asset price required just to cover fees without taking a loss.
λ DooMathWork with this calculation
Local · deterministic · optionalQuick mathNatural-language-style shortcuts for deterministic arithmetic.
Calculator guide
How to use the Crypto & Investment ROI Calculator
Calculate investment return, trading fees, net profit and break-even exit price with live CoinGecko API data.
01Set inputsChoose values, units and assumptions.
02Apply the modelNet Return = (Quantity × Exit Price × (1 − Sell Fee%)) − (Quantity × Buy Price × (1 + Buy Fee%)). ROI% = Net Profit ÷ Total Invested × 100.
03Read the resultCheck the output against the assumptions before using it.
What this calculator does
Enter your buy price, coin quantity, target sell price, and trading fees. The calculator can fetch real-time crypto market prices from CoinGecko or accept custom stock values.
Formula & method
Net Return = (Quantity × Exit Price × (1 − Sell Fee%)) − (Quantity × Buy Price × (1 + Buy Fee%)). ROI% = Net Profit ÷ Total Invested × 100.
Assumptions & notes
- Live price updates utilize CoinGecko public market API.
- Calculations factor in both entry and exit platform fee percentages.
- Past performance does not guarantee future asset valuations.
