Roman Numerals
Convert numbers to Roman numerals and back, with each step explained.
Unit Converter
Length, weight, temperature, area (including bigha, katha and decimal), volume, speed, data and more.
Runs entirely in your browser. Nothing you type or paste is sent anywhere.
More in Calculators & converters
Percentage Calculator
X% of Y, what percent one number is of another, percentage change, and increasing or decreasing by a percentage.
Number to Words
Write numbers and Taka amounts in words in English (lakh and crore, or million) and Bangla — ready for cheques.
Land Area Calculator
Work out a plot’s area from its sides — even irregular four-sided plots — in square feet, decimal (shotangsho), katha, bigha and acres.