How much paint do you need to paint a room?
How many liters of paint do you really need for walls, ceilings or entire rooms? This guide shows you how to calculate surface area, coats and paint coverage – clearly and simply.
How much seed do I need for my area?
Whether it’s a lawn, flower meadow or vegetable patch – this guide shows you how to calculate the right amount of seed. Includes tips on soil quality, shade and buffer.
What radiator size do I need?
Too small means too cold. Too large means wasted energy. This guide helps you calculate the right radiator size for your room – clearly and easily.
How much electricity can a solar panel system produce?
Thinking about installing solar panels? This guide explains how to estimate your potential energy output using roof size, orientation and tilt angle.
How much electricity do your devices use?
From fridges to coffee makers – this guide shows how to estimate your appliances’ energy use and what it costs over time.
How much rainwater can I collect on my property?
Whether for watering, cleaning or cisterns – this guide helps you estimate how much rainwater you can collect from your roof or paved area.
How do I calculate my monthly mortgage payment?
Buying a home? This guide shows you how to calculate your monthly payment – including interest, term, down payment and additional costs.
