Free Online Calculators
Browse our collection of 13+ fast, accurate percentage, finance, shopping, and math calculators.
Percentage Calculator
Calculate what is X% of Y, X is what % of Y, and percentage increase or decrease between two numbers.
Tip & Split Bill Calculator
Calculate restaurant tips with one-click presets (10%, 15%, 18%, 20%) and split bills evenly among any group size.
Profit Margin & Markup
Determine gross profit, profit margin percentage, and markup percentage from your product cost and selling price.
Discount Calculator
Quickly find the final sale price and total amount you save when an item is on a percentage discount.
Double Discount Calculator
Stack clearance discounts and extra coupon codes to discover your total savings and effective percentage off.
Sales Tax Calculator
Calculate total sales tax and final price for any retail purchase or checkout cart in seconds.
VAT Calculator
Add or remove Value Added Tax (VAT inclusive vs. exclusive) across standard UK, EU, and international tax rates.
Percentage Difference
Find the relative percentage difference between two positive numbers where order of comparison does not matter.
Simple & Compound Interest
Forecast savings and investment growth with annual, quarterly, and monthly compounding interest schedules.
Grade Percentage Calculator
Convert test scores and assignment points into exact percentages and standard letter grades (A+, A, B, C, D, F).
Sales Commission Calculator
Calculate earnings, commissions, and net company revenue for sales reps, real estate brokers, and contractors.
Fraction to Percentage
Convert any proper or improper fraction into its exact percentage and decimal equivalent with step-by-step formula.
Salary Increase (Pay Raise)
Calculate your new hourly, weekly, monthly, and annual compensation following a percentage raise or promotion.