Calculators

Financial, marketing, and productivity calculators to solve common calculations in seconds, no spreadsheet needed.

Percentage Calculator

Calculate percentages, what percent one value is of another, and percentage changes between two numbers.

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

Calculate the monthly payment, total repayment, and total interest on a loan.

Calculate how your investment grows with compound interest and periodic contributions.

Calculate how many days, months, and years there are between two dates.

Calculate return on investment (ROI), net profit, and annualized ROI.

Calculate profit margin, markup, and gross profit from price and cost.

Calculate CPM (cost per thousand impressions), or the total cost or impressions from the other values.

Calculate CPC (cost per click), total cost or clicks, and CTR for your campaigns.

Calculate ROAS (return on ad spend) and the profit from your ad campaigns.

Calculate the engagement rate of your social media posts.

Add or subtract durations in hours, minutes, and seconds with automatic carrying.

Add or extract VAT from a price, using whatever rate you enter.

Calculate the final price after a discount, or the original price from the final one.

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

Convert length, weight, and volume between metric and imperial units.

Convert temperatures between Celsius, Fahrenheit, and Kelvin.

Calculate a restaurant tip and split the bill between several people instantly.

Generate a loan's full amortization schedule, payment by payment, with principal and interest broken down.

Calculate worked hours from a clock-in and clock-out time, with breaks and overnight shifts.