Calculator Tools

Everyday and specialized calculators.

Calculator Tools Tools

Simple online calculator for everyday arithmetic — add, subtract, multiply, divide.

Scientific calculator with trig, logarithms, exponents, square roots and history.

Calculate percentages, percentage change, what % one number is of another, and more.

Calculate your exact age in years, months, days, hours, minutes and seconds.

Calculate Body Mass Index (BMI) from your height and weight, in metric or imperial units.

Estimate monthly payments, total interest and total cost for any installment loan.

Estimate your monthly mortgage payment including principal, interest, tax and insurance.

Calculate Equated Monthly Installment (EMI) for personal, home and auto loans.

See how your money grows over time with compound interest and regular contributions.

Calculate the sale price and the amount you save from any percentage discount.

Calculate the tip on a bill and split the total evenly between any number of people.

Estimate income tax from your annual income using common bracket schemes.

Find the difference between two dates in days, weeks, months and years.

Add or remove VAT and sales tax from any amount.

Convert any time across global time zones.

Calculate the area of common shapes — rectangle, square, circle, triangle, trapezoid.

Solve for speed, distance or time given the other two — with unit conversion built in.