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Duck Egg Incubation Calculator

Type the day your duck eggs go in. Get the hatch date, the day to stop turning, and the heat and humidity.

1Bird

2Date

Which date you know

3Incubator

Kind of incubator

Hatch day

November 26, 2026Thursday

  • 28days to hatch
  • Nov 23stop turning
  • 28days to go
  • Your ducklings should hatch on Thursday, November 26, 2026. That is 28 days after the eggs go in.
  • Stop turning the eggs on Nov 23 (day 25). Raise the humidity that day. Open the vents more too.
  • Keep a forced-air incubator at 100 °F. Do not let it move more than 1 °F in all.
  • Humidity: 85 to 86 °F on a wet-bulb thermometer (about 54% to 57% at 100 °F). For the last days, 90 °F (about 68%).
  • Today is day 0. 28 days to go.
Hatch Nov 26Answer

Your hatch calendar

Day 1 is the day after the eggs go in.

    Incubation chart by bird

    For a fan (forced-air) incubator. Hatch dates are for eggs set on October 29, 2026. Humidity is on a wet-bulb thermometer.

    BirdDaysKentucky saysHeatHumidityLast daysStop turning afterHatch
    Chicken21 days21 days 100 °F37.8 °C85 to 87 °F29.4 to 30.6 °C 90 °F32.2 °Cday 18 Nov 19
    Turkey28 days28 days 99 °F37.2 °C84 to 86 °F28.9 to 30.0 °C 90 °F32.2 °Cday 25 Nov 26
    Duck28 days28 days 100 °F37.8 °C85 to 86 °F29.4 to 30.0 °C 90 °F32.2 °Cday 25 Nov 26
    Muscovy duck35 to 37 days35 days 100 °F37.8 °C85 to 86 °F29.4 to 30.0 °C 90 °F32.2 °Cday 31 Dec 3 to Dec 5
    Goose28 to 34 days28 to 32 days 99 °F37.2 °C86 to 88 °F30.0 to 31.1 °C 90 °F32.2 °Cday 25 Nov 26 to Dec 2
    Guinea fowl28 days28 days 100 °F37.8 °C85 to 87 °F29.4 to 30.6 °C 90 °F32.2 °Cday 25 Nov 26
    Pheasant23 to 28 days24 days 100 °F37.8 °C86 to 88 °F30.0 to 31.1 °C 92 °F33.3 °Cday 21 Nov 21 to Nov 26
    Peafowl28 to 30 days28 days 99 °F37.2 °C84 to 86 °F28.9 to 30.0 °C 90 °F32.2 °Cday 25 Nov 26 to Nov 28
    Bobwhite quail23 to 24 days24 days 100 °F37.8 °C84 to 87 °F28.9 to 30.6 °C 90 °F32.2 °Cday 20 Nov 21 to Nov 22
    Coturnix quail17 days16 to 18 days 100 °F37.8 °C85 to 86 °F29.4 to 30.0 °C 90 °F32.2 °Cday 15 Nov 15
    Chukar23 to 24 days24 days 100 °F37.8 °C81 to 83 °F27.2 to 28.3 °C 90 °F32.2 °Cday 20 Nov 21 to Nov 22
    Pigeon17 days– 100 °F37.8 °C85 to 87 °F29.4 to 30.6 °C 90 °F32.2 °Cday 15 Nov 15

    Days, heat and humidity: Mississippi State Extension. "Kentucky says": University of Kentucky Extension. When they differ, we show both.

    Wet-bulb to humidity

    Most charts give humidity as a wet-bulb reading. Your incubator may show a percent. Find your heat on the left. Read across to your wet-bulb number. The top row is the humidity.

    Heat45%50%55%60%65%70%
    99.5 °F37.5 °C80.8 °F27.1 °C82.8 °F28.2 °C85.1 °F29.5 °C86.9 °F30.5 °C88.7 °F31.5 °C90.1 °F32.3 °C
    100 °F37.8 °C81.3 °F27.4 °C83.3 °F28.5 °C85.3 °F29.6 °C87.3 °F30.7 °C89 °F31.7 °C90.7 °F32.6 °C
    101 °F38.3 °C82.2 °F27.9 °C84.2 °F29.0 °C86.2 °F30.1 °C88.2 °F31.2 °C90 °F32.2 °C91.7 °F33.2 °C
    102 °F38.9 °C83 °F28.3 °C85 °F29.4 °C87 °F30.6 °C89 °F31.7 °C91 °F32.8 °C92.7 °F33.7 °C

    From University of Kentucky Extension, ASC-195, Table 4. At 100 °F37.8 °C, a wet-bulb reading of 85 °F29.4 °C is about 54%.

    About the numbers

    Most duck eggs take 28 days, like turkey eggs.

    Muscovy duck eggs take about a week longer. So pick Muscovy duck above if that is what you have.

    The days, heat and humidity come from Mississippi State's chart. Kentucky's chart gives the same 28 days.

    Questions

    How long do duck eggs take to hatch?

    Most duck eggs take 28 days. Muscovy duck eggs take longer: 35 to 37 days, says Mississippi State. Kentucky says 35.

    When do I stop turning duck eggs?

    After day 25 for most ducks. After day 31 for Muscovy ducks.

    What heat do duck eggs need?

    100 °F37.8 °C in an incubator with a fan. With no fan, add 2 to 3 degrees F (1.1 to 1.7 °C), says Mississippi State.

    What humidity do duck eggs need?

    85 to 86 °F29.4 to 30.0 °C on a wet-bulb thermometer. That is about 54 to 57% at 100 °F37.8 °C. For the last days, 90 °F32.2 °C, about 68%.

    Sources

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