Calculators

Calculate your monthly mortgage payment, total interest, and payoff date.

Calculate the monthly EMI, total interest, and total payment on any personal, auto, or student loan.

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

Calculate X% of Y, what percent X is of Y, or the percentage change between two numbers.

Calculate Return on Ad Spend, profit/loss, and breakeven from revenue and ad spend.

Calculate gross margin %, markup %, and net profit from cost and revenue.

Calculate Cost Per Mille (CPM) from total cost and impressions, or solve for any variable.

Calculate Cost Per Click (CPC) from total cost and clicks, or solve for any variable.

Calculate Click-Through Rate (CTR) from clicks and impressions.

Calculate conversion rate percentage from conversions and total visitors.

Calculate engagement rate percentage from total engagements and followers or reach.

Calculate customer lifetime value from average purchase value, frequency, and lifespan.

Calculate customer acquisition cost from marketing spend and customers acquired, with optional LTV:CAC ratio.

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

Calculate sale price and savings from an original price and discount percentage.

Calculate compound interest with configurable principal, rate, time, and compounding frequency.

Calculate GST amount and total price with support for exclusive and inclusive GST.

Calculate simple interest and total amount from principal, rate, and time.

Calculate how many units you need to sell to cover your fixed and variable costs.

Calculate the Compound Annual Growth Rate between a beginning and ending value over a period.

Calculate your ideal hourly and daily freelance rate from your income goal and availability.

Convert an annual salary to an hourly rate, or an hourly rate to an annual salary.

Calculate overtime pay based on your hourly rate, multiplier, and overtime hours worked.

Calculate straight-line and declining balance depreciation for an asset over its useful life.

Calculate sales commission with support for flat-rate and tiered commission structures.

A full-featured scientific calculator with trigonometry, logarithms, exponents, and memory functions.

Calculate tip amount, total bill, and per-person split for any meal or service.

Estimate daily calorie needs using the Mifflin-St Jeor equation based on age, gender, height, weight, and activity level.

Calculate sales tax and total price with US state tax rate presets and reverse tax-included mode.

Estimate electricity cost from watts, usage hours, and rate.

Calculate fuel cost for a trip from distance and efficiency.

Calculate your cumulative or weighted GPA on the US 4.0 scale.

Calculate your Basal Metabolic Rate and TDEE using Mifflin-St Jeor.

Estimate body fat percentage with the US Navy circumference method.

Calculate daily protein, carbs, and fat targets from a calorie goal.

Estimate your due date, current week, and key pregnancy milestones.

Validate IBAN numbers using the standard mod-97 algorithm and see country, check digits, and BBAN.

Check whether an EU VAT number matches the correct format for its member state.