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Shahzad Raja is a veteran web developer and SEO expert with a career spanning back to 2012. With a BS (Hons) degree and 14 years of experience in the digital landscape, Shahzad has a unique perspective on how to bridge the gap between complex data and user-friendly web tools. Since founding ilovecalculaters.com, Shahzad has personally overseen the development and deployment of over 1,200 unique calculators. His philosophy is simple: Technical tools should be accessible to everyone. He is currently on a mission to expand the site’s library to over 4,000 tools, ensuring that every student, professional, and hobbyist has access to the precise math they need. When he isn’t refining algorithms or optimizing site performance, Shahzad stays at the forefront of search engine technology to ensure that his users always receive the most relevant and up-to-date information.
  • Joined: July 23, 2025
  • Articles: 1315

HR Software ROI Calculator

HR Software ROI Calculator This simple HR software ROI calculator lets you compare the cost of your investment with the benefits gained. Optionally, you can enable an itemized breakdown to calculate ROI for a specific period. Show an itemized breakdown…

Gratuity Calculator

Gratuity Calculator Final month’s salary + D.A. (PKR) How long did you work? yrs mos Calculate Gratuity Total Gratuity: PKR Gratuity Calculator India: Architecting Your End-of-Service Benefits Primary Goal Input Metrics Output Why Use This? Retirement Planning Last Drawn Salary…

Gross Rent Multiplier Calculator

Gross Rent Multiplier Calculator Property price (PKR) Gross rental income (PKR / yr) Calculate Gross Rent Multiplier Gross Rent Multiplier: Gross Rent Multiplier (GRM) Calculator: Architecting Real Estate Value Primary Goal Input Metrics Output Why Use This? Rapid Property Screening…

Gross Margin Calculator

Gross Margin Calculator Revenue (PKR) Cost of goods sold (COGS) (PKR) Calculate Gross Margin Gross Profit: PKR Gross Margin: % Gross Margin Calculator: Architecting Core Business Profitability Primary Goal Input Metrics Output Why Use This? Profitability Analysis Total Revenue &…

Hedge Ratio Calculator

Hedge Ratio Calculator Value of total exposure (PKR) Value of hedge position (PKR) Calculate Hedge Ratio Hedge Ratio: % Hedge Ratio Calculator: Architecting Portfolio Protection & Risk Mitigation Primary Goal Input Metrics Output Why Use This? Risk Neutralization Total Exposure…

GST Calculator

GST Calculator Gross price (PKR) GST (%) Calculate GST Net price: PKR Tax amount: PKR GST Calculator: Architecting Value-Added Tax & Net-to-Gross Precision Primary Goal Input Metrics Output Why Use This? Tax Structural Integrity Net Price & GST Percentage (%)…

GST/QST Calculator for Canada

GST/QST Calculator for Canada Select your province or territory: Alberta (GST only) Alberta applies only the Goods and Services Tax (GST). Amount before tax ($) Calculate Tax GST (5%): $ Amount after tax: $ Canadian Sales Tax Architect: Master GST,…

Check Digit Calculator

Check Digit Calculator Number of leading zeros Code (without check digit or leading zeros) Calculate Check Digit Full Code: Check Digit: Barcode Check Digit Calculator: Architecting Global Trade Accuracy Primary Goal Input Metrics Output Why Use This? Data Integrity Verification…

Million to Billion Converter

Million to Billion Converter Million Convert Billion: Full number: Scientific notation: × 10⁶ Millions to Billions Converter: Architecting Large-Scale Numerical Precision Primary Goal Input Metrics Output Why Use This? Scale Mastery Value in Millions or Billions Automated Conversion & Scientific…