About this calculator
Find X% of a number, what percent one value is of another, percent change and add/subtract percent — with live results.
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.
Calculate percentages, relative ratios, percentage increases/decreases, and discounts.
Find X% of a number, what percent one value is of another, percent change and add/subtract percent — with live results.
Multiply Y by X/100, e.g. 20% of 150 = 150 × 0.2 = 30.
(new − old) / old × 100%; positive means growth.
Multiply by 1.10; to subtract, multiply by 0.90.