Free Online Calculators

Calculate exact age in years, months and days from a birth date.

Calculate percentages, increases, decreases and what percent X is of Y.

Calculate profit, margin percentage and markup from cost and selling price.

Split tips and bills easily.

Calculate sale discounts.

Calculate body mass index.

Calculate days between two dates.

Add or remove sales tax.

Estimate loan payments.

Calculate equated monthly installments.

Calculate VAT inclusive and exclusive amounts.

Estimate mortgage payments.

Calculate GST for invoices.

Calculate simple interest.

Project compound interest growth.

Convert between hourly, monthly and annual pay.

Calculate mean of numbers.

Compare unit prices.

Calculate grade point average.

Estimate trip fuel costs instantly.

Calculate cumulative GPA across all semesters.

Estimate basal metabolic rate and daily calories.

Estimate appliance electricity cost.

Convert hourly pay to weekly, monthly, and annual.

Add, subtract, multiply, and divide fractions.

Advanced calculator with trig, logs, and powers.

Find your break-even point in units and revenue.