Calculator Tools

Discover free online calculators for everyday use, finance, health, mathematics, and more. SMARTPDFNOW offers fast, accurate, and easy-to-use calculators, including BMI, Scientific, Loan, Percentage, Age, and other productivity tools that work on any device.

BMI calculator

SmartPDFNow's BMI calculator: work out body mass index from height and weight, no account or install needed.

Compound Interest Calculator

Compound Interest Calculator: Project how an investment grows with compound interest online, free with SmartPDFNow.

Loan Calculator

SmartPDFNow's Loan Calculator: calculate loan repayments from the amount, rate and term, no account or install needed.

Scientific Calculator

SmartPDFNow's Scientific Calculator: run advanced math functions beyond basic arithmetic, no account or install needed.

Unit Converter

Use Unit Converter to convert values between common units of measurement in seconds — free, browser-based, SmartPDFNow.

VAT Calculator

Use VAT Calculator to work out VAT amounts from a price, either adding or removing tax in seconds — free, browser-based, SmartPDFNow.

Back to Homepage

Install SmartPDFnow