PakCalcHub.com

Editorial Policy - How We Create and Verify Calculators

Last Updated: July 13, 2026 | Contact: contact@pakcalchub.com

Our Mission

Provide 19 free, accurate, fast calculators for Pakistan with live rates via /api/* showing Fetched At timestamp, 100 percent client side privacy, no signup. Built for Pakistanis in Sargodha, Lahore, Karachi, Islamabad.

How We Create Content

  1. Research: We check official sources: FBR.gov.pk Finance Bill, NEPRA.org.pk tariff, SBP.org.pk forex, OGRA.org.pk petrol, WHO BMI, HEC grading, PLRA marla
  2. Build: Calculator logic in Next.js with safe Number handling, isFinite checks, no NaN bug, tested with real Pakistan numbers
  3. Verify: We test with real payslip, electricity bill 300 units, gold 2 tola, USD 1000, BMI 70kg 173cm, marla 5
  4. Humanize: Add first-person local examples Sargodha, Lahore, Karachi, Urdu words Bijli Tola, mixed short long sentences, no AI phrases
  5. SEO/AEO/GEO: Add unique title with keyword + Pakistan + year, meta description 155 chars, FAQ schema, Breadcrumb, SoftwareApplication, HowTo, Article, Person schemas, llms.txt, internal linking mega footer + related 6 tools

Fact Checking

Every rate has timestamp: Rate Last Updated from official notification date plus Fetched At auto on page open via /api/* . For example gold via /api/gold shows last updated from gold-api.com plus fetched at time user opens link. Tax slabs via /api/tax-slabs with budget date 2026-06-13. Electricity slabs via /api/electricity with NEPRA date 2025-07-01. Forex via /api/forex hourly. Petrol via /api/petrol tries live scrape plus fallback OGRA 4 July 2026. Users can click Refresh for fresh.

Corrections

If you find error, email contact@pakcalchub.com with screenshot + source link to FBR/NEPRA/SBP notification. We verify and update within 24 hours, update Last Updated date and Fetched At. We have done this for NaN bug fix earlier.

Author and Reviewer

Author: PakCalcHub Team Lead (Real name to be added) - Financial Tools Expert with 5 years experience in Pakistan tax finance. Reviewer: Same team verifies with official sources. Person schema added for E-E-A-T.

No AI-Only Content

We use AI to assist but human reviews, adds local examples, verifies with official PDFs, tests calculator with real numbers, adds external gov links. No auto-generated low-value pages. 19 tools genuinely useful, not 100k programmatic low-value pages.

External Links Policy

We link to authoritative .gov.pk sites for trust: FBR.gov.pk, NEPRA.org.pk, SBP.org.pk, OGRA.org.pk, WHO.int, HEC.gov.pk, PLRA Punjab, open.er-api.com, gold-api.com. No paid links, no PBN, no affiliate hidden. All external links rel noopener target blank.

For AdSense 100 percent clean, editorial policy shows expertise, author, sources, corrections within 24h, last updated.