Calculate margin, selling price, or cost based on three variables. Determine markup and gross profit. Include tax calculations. Display results clearly. Free version includes ads.
Calculate historical prices and convert to today's
Calculate historical currency values from 1800 to 2025. Convert prices using 22 currencies including US Dollar, Euro, British Pound, and others. Adjust for and view adjusted values over time.
Calculate financial metrics like income tax, sales tax, profit margin, and gross profit. Input values to determine discounts, CAGR, VAT, and cryptocurrency mining profit. Track costs, net income, and finance costs with -based calculations.
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.
View real-time currency rates and stock prices for cryptocurrencies, Brent oil, and banks. Track Central Bank rates and set push notifications for rate changes. Use the instant converter to switch between currencies.
Calculate historical currency values to determine past costs or worth. View detailed results with graphs and tables. Save favorite calculations. Supports 26 currencies including USD, EUR, GBP, and JPY. Provides US Dollar from 1776 to 2023.
Calculate percentages, tips, discounts, and fractions
Calculate percentages for everyday tasks like simple , increase/decrease, tips, and discounts. Convert fractions to percentages. Use business calculators for markup, profit margin, VAT, sales tax, and trader calculations.
Calculate margins and markups quickly with a dedicated calculator. Analyze discounts and cost variances within the workflow. Convert currencies across 150+ global currencies. Sync with Apple Watch. Enter data using a large keypad.
Convert currencies with real-time rates updated hourly. View rates for 170 world currencies, silver, gold, and bitcoin. Enable dark mode and use on iPad. Track conversions and access historical data.