All Calculators

Browse our complete collection of free online calculators

Conversion

Convert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36

Generate SHA1 hashes from text input with our free online tool

Encode text to Base64 or decode Base64 back to text, with support for standard and URL-safe encoding

Calculate compound interest on your investments with our free online calculator

Calculate monthly mortgage payments, amortization, and total interest with our free calculator

Generate a full loan amortization schedule and see your monthly payment, total interest, and payoff timeline

Calculate the true annual percentage rate (APR) of a loan, including origination fees and other upfront charges

Convert between APR (annual percentage rate) and APY (annual percentage yield) for any compounding frequency

Calculate annual percentage yield and see how a deposit grows, plus compare yields across compounding frequencies

Calculate the maturity value and total interest earned on a certificate of deposit

Split an investment across multiple CDs with staggered terms and see each rung's maturity value plus the total return

Calculate the interest charged on your credit card balance for a billing cycle using the daily periodic rate method

Calculate how many months it will take to pay off a credit card balance with a fixed monthly payment, plus total interest paid

Calculate how a lump sum grows with daily compounding interest, plus optional recurring deposits, with a full growth breakdown

Calculate the Effective Annual Rate (EAR) of a nominal interest rate, and compare it across compounding frequencies

Calculate the future value of an investment with an initial deposit, regular contributions, and compound interest

Calculate your Body Mass Index (BMI) from height and weight and see your weight category

Calculate adjusted body weight (AdjBW) from ideal body weight and actual weight, used for medication dosing in obesity

A simple online calculator for everyday addition, subtraction, multiplication, and division with a running calculation history

A full scientific calculator with trigonometric, logarithmic, exponential, and expression evaluation, honoring standard order of operations