Every calculator you need.
Fast, free, and private.

Free loan calculator: get your exact monthly payment (EMI), total interest cost, and a year-by-year amortization schedule for any loan amount, rate, and term.

Estimate your monthly mortgage payment including principal, interest, property taxes, home insurance, and HOA fees.

See how your money grows with compound interest.

Solve any percentage problem instantly: what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers.

Convert an hourly wage to annual salary or an annual salary to an hourly rate.

Calculate your BMI instantly in kg/cm or lb/ft-in.

Find your daily calorie needs (TDEE) with the Mifflin-St Jeor equation.

Calculate your estimated due date from your last period, conception date, or IVF transfer.

Calculate your exact age in years, months, and days from your date of birth — plus total weeks, days, hours, and a countdown to your next birthday.

Count the exact days, weeks, months, and years between two dates, or add and subtract days from any date to find a deadline.

Calculate your GPA on the 4.0 scale: add courses with credits and letter grades (A to F, with plus/minus) and get your exact grade point average.

Generate truly random numbers in any range — one or many, with or without duplicates, sorted or shuffled.

Generate strong random passwords with custom length and character sets.

Count words, characters (with and without spaces), sentences, and paragraphs as you type — plus estimated reading and speaking time.

Convert between metric and imperial units instantly: length, weight, temperature, volume, area, and speed — all in one free converter that works offline.

Convert centimeters to inches instantly: divide by 2.54.

Convert kilograms to pounds instantly: multiply by 2.20462.

Convert Celsius to Fahrenheit: multiply by 9/5 and add 32.

Convert miles to kilometers instantly: multiply by 1.609.

Free loan calculator: get your exact monthly payment (EMI), total interest cost, and a year-by-year amortization schedule for any loan amount, rate, and term.

Estimate your monthly mortgage payment including principal, interest, property taxes, home insurance, and HOA fees.

See how your money grows with compound interest.

Solve any percentage problem instantly: what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers.

Calculate the final price after a percent-off discount — including stacked discounts like an extra 20% off already-reduced items.

Add sales tax, VAT, or GST to a price — or extract the tax from a tax-inclusive total.

Calculate the tip, total bill, and per-person share in seconds.

Convert an hourly wage to annual salary or an annual salary to an hourly rate.

Calculate your BMI instantly in kg/cm or lb/ft-in.

Find your daily calorie needs (TDEE) with the Mifflin-St Jeor equation.

Calculate your basal metabolic rate with both the Mifflin-St Jeor and Harris-Benedict equations — the calories your body burns at complete rest.

Estimate your body fat percentage with just a tape measure using the U.S.

Find your ideal body weight by height and sex using four medical formulas (Devine, Robinson, Miller, Hamwi) plus the healthy BMI range.

Calculate your estimated due date from your last period, conception date, or IVF transfer.

Calculate your exact age in years, months, and days from your date of birth — plus total weeks, days, hours, and a countdown to your next birthday.

Count the exact days, weeks, months, and years between two dates, or add and subtract days from any date to find a deadline.

Add or subtract times in hours, minutes, and seconds without base-60 headaches.

Calculate hours worked between a start and end time, minus breaks — including overnight shifts.

Add, subtract, multiply, and divide fractions with automatically simplified answers, mixed numbers, and decimal equivalents.

Paste a list of numbers and instantly get the mean, median, mode, range, sum, min, and max.

Compute sample and population standard deviation, variance, and mean from any list of numbers — with the formulas and when to use each version.

Calculate your GPA on the 4.0 scale: add courses with credits and letter grades (A to F, with plus/minus) and get your exact grade point average.

Work out your weighted course grade from assignments and exams, or calculate exactly what score you need on the final to hit your target grade.

Generate truly random numbers in any range — one or many, with or without duplicates, sorted or shuffled.

Convert centimeters to inches instantly: divide by 2.54.

Convert inches to centimeters instantly: multiply by 2.54.

Convert kilograms to pounds instantly: multiply by 2.20462.

Convert pounds to kilograms instantly: divide by 2.20462 (or multiply by 0.4536).

Convert Celsius to Fahrenheit: multiply by 9/5 and add 32.

Convert Fahrenheit to Celsius: subtract 32, then multiply by 5/9.

Convert miles to kilometers instantly: multiply by 1.609.

Convert kilometers to miles instantly: multiply by 0.6214.

Convert feet to meters instantly: multiply by 0.3048.

Convert meters to feet instantly: multiply by 3.2808.

Convert milliliters to US fluid ounces instantly: divide by 29.574.

Convert US fluid ounces to milliliters instantly: multiply by 29.574.

Generate strong random passwords with custom length and character sets.

Count words, characters (with and without spaces), sentences, and paragraphs as you type — plus estimated reading and speaking time.

Convert between metric and imperial units instantly: length, weight, temperature, volume, area, and speed — all in one free converter that works offline.