Free online calculators

Loan, mortgage and discount calculators, compound interest, retirement plan, rate converter and HP 12c, plus tools for China, India, Brazilian investments, zakat and Islamic inheritance.

• percent Annual vs Monthly Interest
• Brazil Investment Comparison
• China Mortgage Calculator
• trending_up Compound Interest
• sell Discount Calculator
• EMI Calculator (India)
• FD Calculator (India)
• calculate HP 12c Calculator
• family_restroom Islamic inheritance calculator
• account_balance Loan Calculator
• house Mortgage Calculator
• PPF Calculator (India)
• RD Calculator (India)
• savings Retirement plan
• SIP Calculator (India)
• volunteer_activism Zakat calculator

VAT, GST and sales tax, plus income tax and other tax calculators for Brazil, India, Russia, France and Italy, including the 2026 Brazilian income tax, the tax reform and MEI.

• Brazil Income Tax 2026
• Income tax simulator (France)
• India HRA Exemption
• India Income Tax (New vs Old)
• Italian Fiscal Code (Codice Fiscale)
• Italy Property Tax (IMU)
• MEI Calculator (DAS and Limit)
• Notary fees (France)
• Russia income tax (NDFL)
• Russia late-payment penalty (peni)
• Tax Reform Simulator (IBS/CBS)
• receipt_long VAT, GST and Sales Tax Calculator

Brazilian Labor

Brazilian net salary, severance, vacation, 13th salary, overtime, night shift and hazard pay, timesheet, unemployment insurance, FGTS, PJ vs CLT, INSS contribution and employee cost calculators.

• redeem 13th salary
• groups Employee Cost (CLT)
• savings FGTS
• shield_person INSS Contribution 2026
• account_balance_wallet Net Salary 2026
• nightlight Night shift, insalubrity and hazard pay
• more_time Overtime and DSR Calculator
• compare_arrows PJ vs CLT Calculator
• work_off Severance pay
• schedule Timesheet
• support Unemployment insurance
• beach_access Vacation pay (férias)

Severance pay in seven European countries, plus bonuses, settlements, take-home pay and leave calculators for Latin America, India, the Gulf, Russia, Germany, France, Italy, Japan, South Korea and China.

• public International severance
• Argentina Aguinaldo (SAC)
• China Income Tax & Salary (个税)
• Colombia Final Settlement (Liquidación)
• Colombia Service Bonus (Prima)
• Redundancy and termination pay in England
• Severance pay in France
• Severance pay in Germany
• Germany Brutto-Netto Calculator
• Gross-to-net salary (France)
• India CTC to In-Hand Salary
• India Gratuity
• Redundancy and termination pay in Ireland
• Severance pay in Italy
• Italy Net Salary (RAL to Netto)
• Italy TFR Severance Fund
• Japan Take-Home Pay (手取り)
• Mexico Aguinaldo 2026
• Mexico Finiquito and Liquidación
• Mexico Net Salary (ISR and IMSS)
• Peru CTS (Severance Deposit)
• Peru Gratification (Gratificación)
• Severance pay in Portugal
• Rupture conventionnelle (France)
• Russia sick pay
• Russia vacation pay
• Saudi end-of-service award
• South Korea annual leave
• South Korea severance pay
• South Korea take-home pay
• South Korea unemployment benefit
• South Korea weekly holiday pay
• Severance pay in Spain
• UAE end-of-service gratuity

Unit converter, percentage and rule of three calculator, and a Windows-style scientific calculator with standard and scientific modes.

• percent Percentage & Rule of Three
• swap_horiz Unit Converter
• calculate Windows Calculator

Grade average and GPA calculator on nine grading scales, and a final grade calculator that shows the score you still need to pass.

• grading Final Grade Calculator
• school Grade Average and GPA Calculator

Mega-Sena, Quina and Lotofácil statistics, odds of winning and a lottery pool (bolão) calculator.

• confirmation_number Lotofácil
• percent Lottery Odds
• groups Lottery Pool (Bolão)
• confirmation_number Mega-Sena
• confirmation_number Quina

BMI, calories, ideal weight and body fat, daily water goal, pregnancy weeks and due date, fertile window, ovulation and pet pregnancy calculators.

• monitor_weight BMI Calculator
• accessibility_new Body Fat Calculator
• local_fire_department Calorie Calculator (BMR and TDEE)
• water_drop Daily Water Intake Calculator
• pets Dog and Cat Pregnancy
• event_available Fertile Window Calculator
• scale Ideal Weight Calculator
• egg Ovulation Calculator
• pregnant_woman Pregnancy Calculator

Kabbalah, Vedic and Pythagorean numerology, the destiny matrix, birth arcana, Celtic trees, Chinese zodiac, Abjad, the I Ching, Odù Ifá and Kundli matching.

• history_edu Abjad Numerology
• style Birth Arcana
• park Celtic Tree Zodiac
• pets Chinese Zodiac
• all_out Destiny Matrix
• grid_4x4 I Ching Numerology
• home Kabbalah House Number
• auto_awesome Kabbalah Names
• auto_awesome Kundli Matching (Guna Milan)
• account_tree Odù Ifá (educational)
• event_repeat Personal Cycles
• numbers Pythagorean Numerology
• brightness_7 Vedic Numerology

Age, date difference, add or subtract days, business days with holidays, shift schedule, Japanese era and Hijri date converter.

• event_upcoming Add or Subtract Days
• cake Age Calculator
• work_history Business Days Calculator
• date_range Date Difference Calculator
• nights_stay Hijri–Gregorian Date Converter
• celebration Holiday Calendar
• Japanese Era Converter
• calendar_month Shift Schedule Generator

A time zone converter, a lunar calendar, a Chinese calendar converter, a Chinese kinship term calculator, a barbecue calculator, and fuel and electricity cost calculators.

• bolt Appliance Electricity Cost
• outdoor_grill Barbecue calculator
• calendar_month Chinese Calendar
• diversity_3 Chinese Kinship Terms (亲戚称呼)
• local_gas_station Fuel Cost and Ethanol vs Gasoline
• dark_mode Lunar Calendar
• schedule Time Zone Converter

Computer tools, starting with an online SQL formatter on sql-format.io, a free sister site by the same author.

• data_object SQL Formatter open_in_new