Online Calculators
Financial and utility calculators: compound interest, discounts, markup, age, and more.
Compound Interest Calculator
Simulate investments with rate, period, and monthly contribution.
BMI Calculator
Calculate your body mass index with WHO classification.
Percentage Calculator
Solve percentages quickly for shopping and finance tasks.
Financing Simulator
Compare installments in Price and SAC systems with rates and terms.
Discount Calculator
Calculate final price, saved amount, and discount percentage.
Markup Calculator
Set selling price from cost, margin, and desired markup.
Age Calculator
Calculate age in years, months, and days from birth date.
Business Days Calculator
Count business days between dates excluding weekends.
Fuel Calculator
Compare ethanol and gasoline to find the best value option.
Severance Pay Calculator
Estimate severance pay using general CLT and notice rules.
Income Tax Simulator
Simulate monthly withholding tax and annual estimate using current rates.
Worked Hours and Overtime Calculator
Calculate hourly wage and overtime with 50% and 100% premium.
Savings Account Simulator
Project savings returns with Selic, TR, and monthly deposits.
BBQ Calculator
Calculate meat and drink quantities per person for your BBQ.
Pizza per Person Calculator
Find how many pizzas to order based on people and slice count.
Countdown Timer
Create a countdown timer to a specific date and time.
Paint Calculator
Calculate paint liters for walls using coverage and coats.
Tile and Flooring Calculator
Estimate tile pieces and boxes for flooring and wall tiles.
Pregnancy Calculator
Estimate gestational age and due date from last menstrual period.
Fertile Window Calculator
Calculate fertile window and estimated ovulation date.