⚡ Interactive Utility Toolkit (2026)

Electricity & Utility Calculators

11 free smart tools to calculate electricity bills, NEPRA tariff slabs, FPA surcharges, peak hours, solar net metering ROI, and appliance energy costs.

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Techlo.pk provides 12 free online utility & financial calculators for Pakistan consumers. Tools include the Salary Tax Calculator for FBR progressive salary tax and take-home pay, the Tariff Calculator for NEPRA progressive slab bills, Slab Warning for 200/300 unit jump alerts, Appliance Cost Calculator for AC and appliance wattage running costs, Peak vs Off-Peak Hours (Autumn season: 6:00 PM – 10:00 PM), FPA Surcharge Calculator, Tax Analyzer, Late Fee Calculator, Solar ROI Payback Calculator, and Multi-DISCO Bill Checker for LESCO, MEPCO, FESCO, GEPCO, IESCO, PESCO, HESCO, QESCO, SEPCO, TESCO, and K-Electric.

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Salary & Tax 🔥 Popular

Salary Tax Calculator

Calculate monthly salary tax withholding, annual tax liability, and net take-home pay for FY 2026-2027 using official FBR slabs.

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Tariffs & Slabs 🔥 Popular

Tariff & Bill Calculator

Calculate progressive slab billing for LESCO, MEPCO, FESCO, GEPCO, IESCO, PESCO, HESCO, QESCO, SEPCO, TESCO, and K-Electric.

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Tariffs & Slabs 🔥 Popular

Slab Jump Warning

Get instant alerts when your unit consumption crosses the protected 200-unit limit or major 300-unit NEPRA slab jump threshold.

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Bill Analysis 🔥 Popular

Tax & Surcharge Analyzer

Detailed breakdown of electricity bill taxes: GST (17%), Electricity Duty (1.5%), TV Fee (₨35), FPA, Further Tax, and Section 235 Income Tax.

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Bill Analysis

FPA Surcharge Calculator

Calculate Fuel Price Adjustment (FPA) charges added to your monthly electricity bill based on NEPRA monthly notifications.

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Bill Analysis

Late Payment Penalty

Calculate the 10% Late Payment Surcharge (LPS) applied to your electricity bill after the due date.

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Tariffs & Slabs 🔥 Popular

Peak vs Off-Peak Hours

Check current PITC peak hours schedule (Autumn season: 6:00 PM – 10:00 PM) and calculate TOD meter unit savings.

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Solar & Efficiency 🔥 Popular

Appliance Energy Cost

Calculate hourly, daily, and monthly electricity running costs for 1.5 Ton ACs, Refrigerators, Solar Inverters, TV, and Water Pumps.

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Solar & Efficiency 🔥 Popular

Solar ROI & Payback

Estimate net metering savings, system payback period in years, and bill reduction for 5kW, 10kW, 15kW, and 20kW solar systems.

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Reference & Tools 🔥 Popular

Multi-DISCO Bill Checker

Quick 1-click launcher to check duplicate bills for all 10 DISCOs and K-Electric using a 14-digit reference number or customer ID.

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Reference & Tools

14-Digit Reference Decoder

Decode your WAPDA 14-digit reference number to identify Batch Code, Sub-division, Account Number, Tariff Type, and DISCO Provider.

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Bill Analysis

12-Month History Tracker

Track and store your 12-month electricity bill history, unit consumption trends, and cost fluctuations securely in your browser.

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Calculate your exact solar panel requirement, inverter size, and payback period for peak tariff rates in Pakistan.

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Frequently Asked Questions

Are these electricity calculators free to use? ▼
Yes, 100% free! All 11 calculators on Techlo.pk are completely free to use with no account registration or personal data collection required.
How accurate are the bill calculations? ▼
Our calculators use official NEPRA tariff slab schedules, FPA surcharge rates, 17% GST, 1.5% Electricity Duty, ₨35 TV fee, and PITC seasonal peak hour rules for 2026.
Which electricity companies (DISCOs) are supported? ▼
All 10 DISCOs under WAPDA/PITC (LESCO, MEPCO, FESCO, GEPCO, IESCO, PESCO, HESCO, QESCO, SEPCO, TESCO) as well as K-Electric (KE Karachi) are fully supported.