Category: Calculator

Calculate projector lumens

This calculator can tell you how much lumens your projector needs Ambient light at screen: this is how much light there is on the screen. Desired contrast ratio: 7 for Passive viewing 15 for...

Calculator

Calculate heat load for equipment

The formular used in this calculator is: ?otal BTU = ?? ∗ 3.4 Were ?? is the total amount of Watts of equipment Remember that you can’t calculate BTU for an amplifier, you can...