13 Free Calculators

Calculate anything.
Built for Bangladesh.

Free, fast, and accurate online calculators designed specifically for Bangladeshi students, professionals, and businesses. From calculating 15% VAT and Bank EMI to Land Area (Bigha-Katha) and NU CGPA, get instant results tailored to BD standards.

Finance & Money

Currency Converter
Live BDT exchange rates with all major currencies
BDT Focus
EMI / Loan Calculator
Monthly installment for home, car and personal loans
VAT Calculator
Bangladesh standard 15% VAT — add or remove instantly
BD 15% VAT
Simple Interest
Calculate interest, total amount and profit

Health & Fitness

BMI Calculator
Body Mass Index with Asian BMI standards

Math & General

Percentage Calculator
Find percentage, increase, decrease and difference
Age Calculator
Exact age in years, months, days and hours
Number to Words
Convert numbers to words in English and Bengali
Bengali

Student & Education

CGPA Calculator
BD university grading system — private and public unis
BD System
NU CGPA Calculator
National University result with subject and credit system
NU Official

Construction

Rod / Rebar Calculator
Steel rod weight and quantity for BD construction
BD Specific
Land Area Calculator
Convert Bigha, Katha, Decimal, Shotok and sq ft
Bigha · Katha

Date & Time

Days Between Dates
Count exact days, weeks and months between two dates