Lighting Calculator
💡 Lighting Calculator – Find the Right Lights for Your Space
Planning a renovation or interior setup and unsure how many lights you need? The Lighting Calculator by EarnApki.com helps you calculate the lumens required and the number of light fixtures needed for any type of room — whether it’s a bedroom, office, kitchen, classroom, or warehouse.
Avoid under-lighting or over-lighting your space. With just a few inputs, you can get accurate results tailored to your room size and purpose.
📌 Table of Contents
- Why Lighting Calculations Matter
- How the Lighting Calculator Works
- Types of Rooms Supported
- Formula & Recommended Lux Levels
- Use Cases
- Internal & External Resources
- FAQs
🔍 Why Lighting Calculations Matter
Lighting isn’t just about brightness — it impacts comfort, visibility, energy use, and productivity. If your room is too dim, it strains your eyes. If it’s too bright, it wastes energy.
Proper lighting depends on:
- Room area (sq. ft or sq. m)
- Ceiling height
- Purpose of space (e.g., relaxing, reading, working)
- Type of bulb (LED, fluorescent, etc.)
- Desired lux level (lumens per square meter)
Our calculator simplifies these variables into a quick result.
🛠️ How the Lighting Calculator Works
- Visit Lighting Calculator
- Enter your:
- Room dimensions (length × width)
- Room type (bedroom, office, etc.)
- Ceiling height (optional)
- Select bulb wattage or lumens per fixture
- Click “Calculate”
- Instantly view:
- Total lumens needed
- Number of light fixtures recommended
- Suggested lighting layout (coming soon)
You can also choose metric or imperial units.
🏠 Types of Rooms Supported
The tool supports lighting planning for:
- 🛏️ Bedrooms
- 🍽️ Dining rooms
- 🧑🏫 Classrooms
- 🏢 Offices
- 🛋️ Living rooms
- 🏬 Shops and commercial areas
- 🏗️ Warehouses & factories
- 🧼 Bathrooms
- 🍳 Kitchens
Each room type comes with a recommended lux level, based on global lighting standards.
🧮 Formula Used
Total Lumens Needed = Area (sq.m) × Recommended Lux Level
| Room Type | Lux Level (Recommended) |
|---|---|
| Bedroom | 100–150 lux |
| Kitchen | 300–400 lux |
| Living Room | 150–250 lux |
| Office | 300–500 lux |
| Study Room | 400–500 lux |
| Warehouse | 200–750 lux |
| Bathroom | 200–300 lux |
✅ Use Cases
- 🏠 Homeowners planning renovations
- 💼 Architects & interior designers
- 🏢 Office planners
- 🏗️ Commercial lighting setup
- 🛠️ Electricians estimating requirements
- 🎓 Engineering students learning lighting theory
🔗 Internal & External Resources
Internal Tools:
External Resources:
- IESNA Lighting Handbook
- Lighting Europe – Energy Guidelines
- Philips Lighting Guide
- Lux Level Charts – LEDinside
❓ FAQs
Q: What are lumens?
Lumens measure the total visible light emitted by a source. More lumens = brighter light.
Q: What is a lux level?
Lux is the measure of light intensity (lumens per square meter).
Q: Does this tool work for LED lights?
Yes! You can input the lumen rating of your LED bulbs.
Q: Can I calculate for industrial spaces?
Yes, the tool supports warehouses, factories, and more.
Q: Is this tool free?
100% free. No signup, watermark, or usage limits.