TOOL-Electricity Unit (kWh) & Rupees Calculator – India

Electric City Bill

Electricity Unit (kWh) & Rupees Calculator – India

Add your appliances and get per‑day units, per‑month units, and estimated bill in ₹. Mobile‑first, fast, and printable.

Calculator

Tariff ₹/unit:

Days in month:

Slab billing: Flat rate Simple slabs

Appliance	Qty	Watt	Hours/day	Wh/day	Action

Tip: 1000 Wh = 1 unit (kWh). Enter average daily hours.

📉 Live results update as you type. Print via Ctrl/Cmd+P.

Per‑day Units

0.00

0 Wh

Per‑month Units

0.00

@ 30 days

Estimated Cost

₹0

Flat ₹10/unit

Example (like your image): 5 ceiling fans 75W × 12h, 5 tube lights 45W × 8h, 7 bulbs 20W × 10h, 2 TVs 50W × 8h → ≈ 8.5 units/day and ₹2550/month at ₹10/unit.

FAQ – How is the bill calculated?

We sum each row: Wh/day = Quantity × Watt × Hours. Units/day = Total Wh ÷ 1000. Units/month = Units/day × Days. Cost uses either a flat rate (₹/unit) or a simple slab model shown below.

• Flat rate: single tariff for all units.
• Simple slabs: 0–100 units at 5₹, next 100 at 8₹, remaining at your tariff input. Adjust in code as per your DISCOM.