EXPLORE TOOLS
Calculators
Calculate without spreadsheets. Browse 41 tools below.
Percentage CalculatorCalculate X percent of Y.
Discount CalculatorCalculate final price after discount.
VAT CalculatorAdd or remove value-added tax.
BMI CalculatorCalculate body mass index from height and weight.
Age CalculatorFind age from birth date.
Loan CalculatorEstimate monthly loan payments.
Profit Margin CalculatorCompare profit, margin and markup.
Compound Interest CalculatorEstimate growth under compound interest.
Salary CalculatorConvert hourly pay to annual or monthly estimates.
Tip CalculatorCalculate a tip and final bill amount.
Split Bill CalculatorDivide a bill and optional tip among people.
Sales Tax CalculatorCalculate sales tax and the tax-inclusive total.
Markup CalculatorCalculate a selling price from cost and desired markup.
Break-Even CalculatorEstimate units required to cover fixed costs.
ROI CalculatorEstimate simple return on investment as a percentage.
CAGR CalculatorCalculate compound annual growth rate from starting and ending value.
Simple Interest CalculatorCalculate interest without compounding.
Savings Goal CalculatorEstimate required monthly savings to reach a goal.
Time Duration CalculatorFind the elapsed time between two clock times.
Date Difference CalculatorCount days between two calendar dates.
Days Until DateCount days until a selected date.
Fuel Cost CalculatorEstimate trip fuel expense using distance and consumption.
Fuel Economy CalculatorCalculate liters per 100 km and km per liter.
Aspect Ratio CalculatorSimplify a width-to-height ratio.
Download Time CalculatorEstimate download time from file size and connection speed.
Weighted Average CalculatorCalculate an average weighted by importance.
Unit Price CalculatorCompare unit prices for two packages.
Commission CalculatorCalculate commission from sale amount and rate.
Inflation CalculatorEstimate future cost under a fixed annual inflation assumption.
Ecommerce Profit CalculatorEstimate net profit after product, shipping, platform and advertising costs.
ROAS and Ad Profit CalculatorCalculate return on ad spend and contribution after ad costs.
Website Ad Revenue EstimatorEstimate possible display advertising revenue from sessions and page RPM.
Subscription Cost CalculatorCalculate monthly and annual spending across subscriptions.
Freelance Hourly Rate CalculatorEstimate a billable hourly rate from income target, costs and hours.
Reverse VAT CalculatorExtract net price and VAT from a tax-inclusive price.
Invoice GeneratorMake a printable invoice with line items, tax and totals.
Pomodoro TimerFocus with a 25-minute timer, short breaks and session tracking.
GPA CalculatorCalculate a weighted grade-point average using course credits and a configurable 4.0 scale.
Final Grade CalculatorWork out the exam mark needed to reach your target final course grade.
Working Days CalculatorCount weekdays between dates, excluding weekends and optional holiday dates.
Time Zone Meeting PlannerConvert a meeting date and time between real time zones, including daylight-saving adjustments.
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What can you do with Calculators?
Estimate costs, margins, dates, savings and practical quantities. Results depend on inputs and are not personalized financial advice.
Choose the tool that matches the input and output you need. All tools listed here include a workspace and short instructions. For file tools, compatibility depends on the browser and your device.
