About this calculator
Kinetic energy E = ½mv² from mass in kg/g and speed in m/s or km/h.
Annuity and differentiated monthly installments, interest breakdown, and amortization schedule.
Calculate PITI (Principal, Interest, Taxes, Insurance), PMI, and accelerated payoff savings.
Visualize compound growth with recurring deposits, annual rate, and investment horizons.
Add or extract Value Added Tax (VAT) with international country presets.
Analyze profitability and percentage return on business capital and investments.
Gross to net salary with income tax, social contributions and deductions, monthly and annual.
Energy of motion from mass and speed.
Kinetic energy E = ½mv² from mass in kg/g and speed in m/s or km/h.
Half the mass times speed squared; speed matters quadratically.
Energy quadruples — why braking distances grow so fast.
SI kilograms and m/s give joules; grams and km/h convert automatically.