21 pages, every number computed

Projector Lumens by Screen Size and Room Lighting

The ANSI lumens a church projector needs for every screen width from 8 to 24 feet, in a dark room, under normal service lighting and in a bright room, worked from foot-lamberts rather than guessed.

How Many Lumens for a 8 Foot Wide Church Screen? A 8 foot wide screen is about 4.5 feet high and 36 square feet, with a 110 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 524 lumens on a standard 1.1 gain screen. Buy a projector rated 1,000 ANSI lumens or more.
How Many Lumens for a 8 Foot Wide Church Screen? A 8 foot wide screen is about 4.5 feet high and 36 square feet, with a 110 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 1,145 lumens on a standard 1.1 gain screen. Buy a projector rated 1,500 ANSI lumens or more.
How Many Lumens for a 8 Foot Wide Church Screen? A 8 foot wide screen is about 4.5 feet high and 36 square feet, with a 110 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 1,636 lumens on a standard 1.1 gain screen. Buy a projector rated 2,000 ANSI lumens or more.
How Many Lumens for a 10 Foot Wide Church Screen? A 10 foot wide screen is about 5.6 feet high and 56 square feet, with a 138 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 818 lumens on a standard 1.1 gain screen. Buy a projector rated 1,000 ANSI lumens or more.
How Many Lumens for a 10 Foot Wide Church Screen? A 10 foot wide screen is about 5.6 feet high and 56 square feet, with a 138 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 1,790 lumens on a standard 1.1 gain screen. Buy a projector rated 2,000 ANSI lumens or more.
How Many Lumens for a 10 Foot Wide Church Screen? A 10 foot wide screen is about 5.6 feet high and 56 square feet, with a 138 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 2,557 lumens on a standard 1.1 gain screen. Buy a projector rated 3,000 ANSI lumens or more.
How Many Lumens for a 12 Foot Wide Church Screen? A 12 foot wide screen is about 6.8 feet high and 81 square feet, with a 165 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 1,178 lumens on a standard 1.1 gain screen. Buy a projector rated 1,500 ANSI lumens or more.
How Many Lumens for a 12 Foot Wide Church Screen? A 12 foot wide screen is about 6.8 feet high and 81 square feet, with a 165 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 2,577 lumens on a standard 1.1 gain screen. Buy a projector rated 3,000 ANSI lumens or more.
How Many Lumens for a 12 Foot Wide Church Screen? A 12 foot wide screen is about 6.8 feet high and 81 square feet, with a 165 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 3,682 lumens on a standard 1.1 gain screen. Buy a projector rated 4,000 ANSI lumens or more.
How Many Lumens for a 14 Foot Wide Church Screen? A 14 foot wide screen is about 7.9 feet high and 110 square feet, with a 193 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 1,604 lumens on a standard 1.1 gain screen. Buy a projector rated 2,000 ANSI lumens or more.
How Many Lumens for a 14 Foot Wide Church Screen? A 14 foot wide screen is about 7.9 feet high and 110 square feet, with a 193 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 3,508 lumens on a standard 1.1 gain screen. Buy a projector rated 4,000 ANSI lumens or more.
How Many Lumens for a 14 Foot Wide Church Screen? A 14 foot wide screen is about 7.9 feet high and 110 square feet, with a 193 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 5,011 lumens on a standard 1.1 gain screen. Buy a projector rated 5,500 ANSI lumens or more.
How Many Lumens for a 16 Foot Wide Church Screen? A 16 foot wide screen is about 9 feet high and 144 square feet, with a 220 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 2,095 lumens on a standard 1.1 gain screen. Buy a projector rated 2,500 ANSI lumens or more.
How Many Lumens for a 16 Foot Wide Church Screen? A 16 foot wide screen is about 9 feet high and 144 square feet, with a 220 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 4,582 lumens on a standard 1.1 gain screen. Buy a projector rated 5,000 ANSI lumens or more.
How Many Lumens for a 16 Foot Wide Church Screen? A 16 foot wide screen is about 9 feet high and 144 square feet, with a 220 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 6,545 lumens on a standard 1.1 gain screen. Buy a projector rated 7,000 ANSI lumens or more.
How Many Lumens for a 20 Foot Wide Church Screen? A 20 foot wide screen is about 11.3 feet high and 225 square feet, with a 275 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 3,273 lumens on a standard 1.1 gain screen. Buy a projector rated 3,500 ANSI lumens or more.
How Many Lumens for a 20 Foot Wide Church Screen? A 20 foot wide screen is about 11.3 feet high and 225 square feet, with a 275 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 7,159 lumens on a standard 1.1 gain screen. Buy a projector rated 7,500 ANSI lumens or more.
How Many Lumens for a 20 Foot Wide Church Screen? A 20 foot wide screen is about 11.3 feet high and 225 square feet, with a 275 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 10,227 lumens on a standard 1.1 gain screen. Buy a projector rated 10,500 ANSI lumens or more.
How Many Lumens for a 24 Foot Wide Church Screen? A 24 foot wide screen is about 13.5 feet high and 324 square feet, with a 330 inch diagonal. With lights down, blackout shades you are aiming for 16 foot-lamberts, which needs about 4,713 lumens on a standard 1.1 gain screen. Buy a projector rated 5,000 ANSI lumens or more.
How Many Lumens for a 24 Foot Wide Church Screen? A 24 foot wide screen is about 13.5 feet high and 324 square feet, with a 330 inch diagonal. With normal service lighting you are aiming for 35 foot-lamberts, which needs about 10,309 lumens on a standard 1.1 gain screen. Buy a projector rated 10,500 ANSI lumens or more.
How Many Lumens for a 24 Foot Wide Church Screen? A 24 foot wide screen is about 13.5 feet high and 324 square feet, with a 330 inch diagonal. With bright room or daylight windows you are aiming for 50 foot-lamberts, which needs about 14,727 lumens on a standard 1.1 gain screen. Buy a projector rated 15,000 ANSI lumens or more.

Researched, not professional advice. Every figure on these pages is computed from standard audio and video engineering formulas, which are shown on each page so you can check the working. They size equipment; they do not design a system. For a permanent installation engage a qualified integrator, have any flown loudspeaker signed off by a structural engineer or certified rigger, and have all electrical work done by a licensed electrician to your local code. As an Amazon Associate we earn from qualifying purchases.