This led bulb savings reference table shows the yearly saving per bulb for a range of old bulb wattage values, assuming a led wattage of 10 W, a hours used per day of 5 and a days per year of 365. Every figure is computed with the same engine that powers our LED Bulb Savings Calculator, so the numbers are exact.
| Old bulb wattage | Yearly saving per bulb |
|---|---|
| 15 W | ₹73.00 |
| 30 W | ₹292.00 |
| 45 W | ₹511.00 |
| 60 W | ₹730.00 |
| 90 W | ₹1,168.00 |
| 120 W | ₹1,606.00 |
| 180 W | ₹2,482.00 |
| 300 W | ₹4,234.00 |
| 420 W | ₹5,986.00 |
| 600 W | ₹8,614.00 |
How to use this table
Find the row closest to your old bulb wattage and read across to the yearly saving per bulb. For a value between two rows, the real figure sits between them — or enter your exact numbers in the LED Bulb Savings Calculator for a precise answer.
Need a value that is not in the table? — the LED Bulb Savings Calculator does it instantly, for free, with the formula and a worked example built in.
Related calculators
Continue exploring electrical calculators with these tools: Wire Resistance Calculator, Watts to Amps Calculator, kVA to kW Calculator, kWh to Joules Calculator, Resistance from Power Calculator.