TNEB Bill Calculator is a browser utility for Tamil Nadu domestic electricity estimates. It turns current and previous meter readings or consumed units into a slab-wise estimate, explains the common 100-free-unit rule, and points users to official sources for the final payable amount.
External tool opens in a new tab.
What is this tool?
Estimate a Tamil Nadu EB bill from consumed units with slab-wise domestic charges, meter-reading steps, examples, and official payment checks.
Best for
Tamil Nadu household users who want a quick domestic EB bill estimate before checking the official bill.
Pricing note
The calculator is free and provides an estimate for common domestic usage. Tariffs, subsidies, fees, billing cycles, and user categories can change; commercial connections and the official portal may use different rules, so verify the final amount before payment.
Key features
Use cases
Estimate a household Tamil Nadu EB bill before the official bill or payment page is checked.
Convert previous and current meter readings into monthly consumed units.
Review domestic slab assumptions and find the right official place to confirm the final payable amount.
Pros
Cons
How to use
Open TNEB Bill Calculator and choose the domestic electricity estimate.
Enter consumed units, or subtract the previous meter reading from the current reading.
Review the slab breakdown, assumptions, and estimated amount shown by the calculator.
Confirm the final bill and payment details through the official Tamil Nadu electricity portal before paying.
FAQ
What is a TNEB bill calculator?
It is a browser utility that estimates a Tamil Nadu domestic electricity bill from consumed units and applies a readable slab-style calculation.
How do I calculate units from my meter reading?
Subtract the previous reading from the current reading. For example, 18,750 minus 18,400 equals 350 consumed units.
Are the first 100 units free in Tamil Nadu?
The common domestic calculation treats the first 100 units as free, but tariffs and billing rules can change. Always confirm the final amount on the official portal.
Can I use it for a commercial TNEB connection?
No. The calculator focuses on domestic usage. Commercial connections use a separate tariff category and may require different logic.
Where should I pay my Tamil Nadu EB bill?
Use the official Tamil Nadu electricity payment portal or the payment channel shown on your bill. Treat this calculator as an estimate and verify the payee before submitting payment.