Calculation

Calculates tax amount and total price instantly for your amount and VAT rate.

Calculates your body mass index from height and weight and interprets the result clearly.

Computes the percentage of a number, the percentage change and a share of a whole on one screen.

Computes the percentage of a number, the percentage change and a share of a whole on one screen.

Work out the percentage increase or decrease between two values.

Add, subtract, multiply and divide with a simple in-browser calculator.

Shows your age in years, months, days, hours, minutes and seconds live from your birth date.

Calculates your body mass index from height and weight and interprets the result clearly.

Calculates tax amount and total price instantly for your amount and VAT rate.

Computes discount amount, final price and savings percentage from original price and discount rate.

Calculates tip amount, total bill and per-person share instantly for any bill and tip percentage.

Converts money between currencies instantly using fixed reference rates you can override.

Estimates net salary from your gross wage after SGK, unemployment and income tax deductions.

Compute monthly loan payments with interest in a few seconds.

Calculate monthly mortgage payments, total interest and the full amortization schedule.

Calculates compound interest growth with regular contributions and a full yearly breakdown.

Find how long it takes to reach a savings target, or the monthly amount needed.

Converts between length, weight, volume, area and temperature units quickly.

Convert between Celsius, Fahrenheit and Kelvin instantly and accurately.

Calculates the difference between two dates in years, months, days, hours and weeks instantly.

Count the days, weeks and months between two calendar dates.

Calculate the time between two clock times in hours, minutes and decimal form.

Convert a date and time between any two time zones with daylight saving handled automatically.

Finds the average, sum, count, minimum and maximum of a list of numbers instantly.

Estimate your daily calories with the Mifflin-St Jeor formula.

Estimate how many calories an activity burns based on MET values.

Estimate body fat percentage with the U.S. Navy method.

Find your ideal weight using Devine, Robinson and BMI ranges.

Find the best bedtime and wake-up time with sleep cycles.

Estimates a dog's age in human years using its age and breed size.

Calculate your weighted 4.0 GPA from course credits and letter grades.

Check if a card number passes the Luhn algorithm and detect the card brand.

Convert numbers to Roman numerals and Roman numerals back, up to 3999.

Convert angles between degrees, radians and gradians instantly.

Break any number into prime factors and read the result in power notation.

Generate the Fibonacci sequence up to 100 terms with sum and last value.

Estimate US federal income tax using marginal tax brackets and the standard deduction.

See how much a dollar amount was worth in any year using US CPI data.

Calculate the total cost of a trip from distance, average consumption and fuel price.

Convert between L/100 km, MPG (US) and km/L instantly.

Estimate monthly and yearly power usage and cost for any appliance.

Convert pace per kilometer into speed and projected race times.