Electricity bill estimator

Enter the units you used and the slab rates from your bill to estimate the amount.

Electricity bill estimator

Works offline

Rates differ by state, company and connection type, so this page has no built-in tariff. Copy the rates from your own bill or your electricity board website.

Units consumed (kWh)

Energy charge slabs

Slab 1: up to how many units

Rate for this slab (₹ per unit)

Slab 2: up to how many units

Rate for this slab (₹ per unit)

Slab 3: up to how many units

Rate for this slab (₹ per unit)

Slab 4: up to how many units

Rate for this slab (₹ per unit)

Fixed / meter charge (₹)

Fuel or power-purchase adjustment (₹ per unit)

Electricity duty / tax (% of energy charge)

Other charges (₹)

Energy charge

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Duty and other

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Estimated bill

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Estimate only. Fill the slabs in order, lowest first. Your real bill can differ because of minimum charges, subsidies, time-of-day rates, arrears and rounding. Reviewed 31 Oct 2026.

How to use it

Find the energy-charge slabs on your latest bill or your electricity board website.
Enter each slab: the unit limit and the rate per unit. Leave the last limit blank.
Add the fixed charge, per-unit adjustment and duty percentage if your bill shows them.
Read the estimated bill.

Frequently asked questions

Why are there no default rates?

Tariffs differ by state, company and connection, and they change. We do not guess; you enter your own rates.

Will it match my bill exactly?

Not always. Minimum charges, subsidies, time-of-day rates and arrears can change the real bill.

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Page reviewed 25 October 2026.