Free Online Tools for Excel and Calculation
Simple and quick solutions to help you with your daily tasks
Tools
Excel Column Converter
Instantly convert Excel column letters to numbers (A=1, Z=26, AA=27...)
Excel Date Converter
Convert Excel serial numbers to dates and dates to Excel serial numbers.
Percentage Calculator
Calculate percentages: X% of Y, what %, percentage change, apply a variation.
VAT Calculator
Convert pre-tax to total (with VAT) or total to pre-tax. Shows all three values instantly.