Financial analysis, mathematical calculations, and measurement tools
Modern online calculator with operation history, keyboard support, and clean layout.
Calculate percent of value, percentage increase/decrease, sales discounts, and tax rates.
Calculate the exact number of days, weeks, months, years, and working days between two dates.
Calculate your exact age in years, months, days, hours, and count down to your next birthday.
Calculate your Body Mass Index (BMI) and discover your healthy ideal weight range.
Convert between Joules, Calories (cal), Kilocalories (kcal), Kilowatt-hours (kWh), BTU, and electronvolts.
Convert L/100km, US MPG, and UK MPG; calculate total trip fuel expenses based on distance.
Convert between Liters, Milliliters, Cubic Meters (m³), Gallons, Fluid Ounces (fl oz), and Barrels.
Calculate 12-month net from gross salary or gross from target net with SGK, progressive income tax brackets, and employer cost.
Calculate VAT inclusive/exclusive amounts with %1, %10, %20 standard and custom sales tax rates instantly.
Estimate statutory severance pay and notice compensation based on employment dates, gross wage, benefits, and statutory ceiling.
Calculate statutory rent increase amount and new rent based on 12-month CPI/inflation rate averages.
Calculate statutory notice period, gross notice pay, tax deductions, and net payout based on labor law.
Calculate the exact cash compensation for accrued unused annual leave days upon job exit.
Calculate gross and net overtime pay for extra hours and public holidays.
Calculate monthly installments, total interest, tax charges, and amortization schedule for any loan.
Simulate portfolio wealth growth with regular contributions and compounding interest.
Measure how inflation erodes real purchasing power over time and see future basket costs.
Calculate tip percentages and split the restaurant bill evenly among friends with WhatsApp copy.
Calculate gross profit, profit margin percentage, and markup percentage from cost and revenue.
Calculate net crypto trading profit, exit value, exchange fees, and percentage ROI.
Calculate gross and net simple interest returns for daily, monthly, or yearly term deposits.
Calculate instant cross-rate parities between major global currencies (USD, EUR, TRY, GBP, JPY).
Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) for weight goals.
Convert temperatures between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, and Réaumur.
Convert speed units between km/h, mph, m/s, knots, ft/s, and Mach speed.
Convert decimal storage (KB, MB, GB, TB) and binary (KiB, MiB, GiB, TiB) with download time calculator.
Calculate C(n,r) combinations and P(n,r) permutations with and without repetition.
Determine your ideal freelance hourly and daily rate based on income goals, taxes, and overhead.
Calculate total Return on Investment (ROI), net profit, and annualized compound return rates.
Determine required sales volume in physical units and revenue to cover all business fixed costs.
Calculate smoothed annual growth rates (CAGR) and year-over-year investment trajectories.
Calculate personal daily water intake goals in liters and glasses based on weight and activity.
Calculate Monthly Recurring Revenue (MRR), ARR, Customer Lifetime Value (LTV), CAC payback period, and LTV:CAC ratio for SaaS businesses.
Convert total social security premium days into 360-day accounting years/months/days and calculate exact completion dates for 3600, 5000, 7200, and 9000 day milestones.
Calculate daily, monthly, and annual electricity consumption (kWh) and bill cost based on appliance wattage, usage hours, and electricity tariff.
Calculate the Greatest Common Divisor (GCD), Least Common Multiple (LCM), and exponential prime factorization of multiple integers.
Convert battery capacity between mAh and Watt-hours (Wh) and calculate exact device runtime based on voltage, load current, and discharge efficiency.
Calculate required solar panel count, array kWp size, inverter capacity, and LiFePO4 battery storage (kWh) based on daily energy consumption and peak sun hours.
Calculate the ideal air conditioner cooling capacity (BTU/h and kW) and commercial unit class (9000, 12000, 18000, 24000 BTU) for your room.