Free Online Calculators
Calculate anything with our 206+ free online calculators. Fast, accurate, and easy to use.
Popular Tools
Most commonly used calculators
BMI Calculator
Calculate your Body Mass Index (BMI) to determine if you're at a healthy weight. Includes BMI Prime, Ponderal Index, and healthy weight range.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and amortization schedule
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to determine how many calories your body burns at rest
Calorie Calculator
Calculate your daily calorie needs based on your BMR and activity level
Emergency Fund Calculator
Calculate how much you need to save for an emergency fund based on monthly expenses.
Latte Factor Calculator
See how much your daily small habits (like coffee) cost you over time with compound interest.
FIRE Calculator
Financial Independence, Retire Early. Calculate your 'Freedom Number' based on the 25x rule.
Crypto Profit/Loss Calculator
Calculate your profit or loss from a cryptocurrency trade including fees.
Dollar Cost Averaging (DCA) Calculator
Visualize the power of consistent investing vs lump sum.
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number
Tip Calculator
Calculate tip amount and total bill including tip
Compound Interest Calculator
Calculate compound interest on investments and savings
Categories
Pick a category to get started
Financial Calculators
Mortgage, Loan, Investment
Health & Fitness
BMI, Calorie, Fitness
Math Calculators
Scientific, Statistical
Technology & Developer
Dev Tools, Security
Business & E-Commerce
VAT, Commission, CAC
Education & Science
GPA, Converters
Daily Life & Lifestyle
Daily Life, Cooking
Other Calculators
Date, Time, Conversion