Electricity calculator
Estimate monthly electricity cost from units consumed, tariff per unit, fixed charges, and taxes using values from your latest bill or state tariff notice.
Electricity rates in India vary by state, board, consumer category, slab, connected load, subsidy, fixed charge, and billing period. Hardcoding a rate can become wrong quickly, so this page lets you enter the rate from your latest bill or official tariff notice.
The calculator multiplies consumed units by the unit rate, adds fixed charges, and optionally applies a tax or duty percentage. This gives a quick planning estimate, not an official bill calculation.
Use the units or kWh shown on your electricity bill. For unit rate, check the tariff line, average energy charge, or official tariff sheet. Add fixed charges and taxes separately if your bill shows them.
TNEB, BESCOM, MSEDCL, Telangana, Andhra Pradesh, and other boards can use different slabs and rules. For payment disputes or exact billing, use the official board bill, tariff order, or customer portal.
This page deliberately avoids fixed tariff tables because electricity rates, slabs, subsidies, taxes, and distribution-company rules change. The source of truth is the latest bill, official tariff order, or customer portal; the calculator performs only the arithmetic on the values you enter. See the editorial standards and site disclaimer for how estimates, file tools, and safety notes are reviewed.
No. It avoids hardcoded state slabs because tariffs change and vary by category. Enter your current rate manually.
One unit is usually one kilowatt-hour, or 1 kWh.
Check the consumption or units line on your electricity bill.
Many bills include fixed or demand charges in addition to per-unit energy charges.
Yes. First estimate AC kWh usage, then enter those units and your tariff rate.
No. It is a planning estimate for comparison and budgeting.