Brooder temperature chart

Chicks need a warm, safe start. Enter the hatch date for today's target, then follow them week by week until they move outside.

Your chicks

  1. Week 190–95 °F
  2. Week 285–90 °F
  3. Week 380–85 °F
  4. Week 475–80 °F
  5. Week 570–75 °F
  6. Week 670 °F
  7. Week 7+Room temp

Measure at chick level, right under the heat source, and leave a cooler side so chicks can move away.

Today's brooder

90–95°F

Enter a hatch date to see this week's target.

1week of age
0.25sq ft per chick
—ready for the coop

The rules behind the numbers

Where to measureAt chick level directly under the heat sourcePenn State Extension · University of New Hampshire Extension · Mississippi State University Extension
5–6 weeksWhen heat can come offOnce the room holds 65–70 °F and chicks are feathering.Penn State Extension · Kansas State University Research and Extension · University of New Hampshire Extension +3 more
6 weeksMove to the coop at aboutUtah State University Extension · University of Maine Cooperative Extension · Penn State Extension
20 inHeat lamp clearance from anything flammableStart 18–20 in above the bedding; never closer than 15 in.Penn State Extension · University of Maine Cooperative Extension · University of New Hampshire Extension +2 more
Pasty buttCheck vents on arrival and daily; soften with warm water, clean gently, never pull; dry the chickPurina Animal Nutrition

Space, feeders and water by age

AgeFloor per chickFeeder per chickWaterer per chick
week 10.25 sq ft1 in0.5 in
2-3 weeks0.5 sq ft1.5 in0.5 in
3-5 weeks0.75 sq ft2 in0.5 in
5-8 weeks1 sq ft2 in0.75 in
8 weeks and up1.5 sq ft3 in1 in

Penn State Extension figures. Give larger breeds more room.

Questions

What temperature should a brooder be?

Start at 90–95 °F at chick level under the heat in week 1, then lower it about 5 °F each week (week 1: 90–95 °F, week 2: 85–90 °F, week 3: 80–85 °F, week 4: 75–80 °F, week 5: 70–75 °F, week 6: 70 °F).

How do I know if chicks are too hot or cold?

Watch them: chicks huddled under the heat and peeping loudly are cold; chicks crowded at the far edges, panting with wings held out, are too hot; chicks spread out evenly, eating, drinking and napping, are just right. Their behaviour is a better guide than the thermometer.

When can chicks go without a heat lamp?

When they are about 5–6 weeks old and mostly feathered, and the room stays around 65–70 °F. In cold weather keep heat available longer.

When can chicks go outside?

Fully feathered chicks can move to the coop at about 6 weeks old, once nights are mild. Start with short supervised visits on warm days.

Are heat lamps safe?

Heat lamps cause barn and garage fires. Secure the lamp with a chain or clamp plus a backup, keep it at least 20 inches from anything flammable, never closer than 15 inches to the bedding, and use a guard. A radiant heating plate is a safer alternative.

Sources

  1. 1Brooding of Domestic FowlPenn State Extension
  2. 2Brooding and Caring for ChicksUniversity of New Hampshire Extension
  3. 3Brooding Chickens and Quail (Information Sheet 1338)Mississippi State University Extension (T. W. Smith Jr.)
  4. 4Management of the Small Flock of Chickens (MF-2390)Kansas State University Research and Extension (R. S. Beyer; May 1999)
  5. 5Chicken housing (housing requirements)University of Maryland Extension (J. Moyle; updated 2022-05-11; space table cites Clauer 2009)
  6. 6Simple Steps to Starting Healthy Chicks in Maine (Bulletin #2221)University of Maine Cooperative Extension (D. Coffin; 2020)
  7. 7Hatching and Caring for ChicksUtah State University Extension (Farnsworth, Hadfield, Longmore; March 2025)
  8. 8Backyard Flock Tip: Housing and Confinement for the Backyard FlockUniversity of Georgia Cooperative Extension (C. Dunkley; Jan 2010)
  9. 9How to feed your laying hens (PNW 477)Oregon State University Extension / PNW (J. Hermes; 2016, reviewed 2024)
  10. 10Maine Poultry Facts: Lighting For Small-Scale Flocks (Bulletin #2227)University of Maine Cooperative Extension (Hawes; updated Brzozowski, Coffin, Knight; 2009, 2021)
  11. 11Pasty Butt: Sick Baby Chick Symptoms and CarePurina Animal Nutrition
  12. 12Management Requirements for Laying FlocksPenn State Extension (P. Clauer; updated 2016-05-17)

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