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Family Refrigerator Size Calculator

Size for the family you actually have.

Size a fridge for the actual humans living in your house — adults, kids, how often you cook, how often you shop. Built on AHAM household guidance: roughly 4–6 cu ft per person, then adjusted for cooking and shopping habits.

⏱ ~30 secAHAM sizing guidanceSize & Capacity
Share
4–6
Cu ft / adult
AHAM
0.7
Child weighting
Per kid
+30%
Biweekly shop
Adjustment
+60%
Monthly bulk
Adjustment
STEP 01

Adults, kids,
cook habits, shop habits.

Children weighted at 0.7 of an adult. Cooking and shopping frequency adjust the base capacity.

Each child counts as 0.7 of an adult.
Updates live as you type
Recommended capacity
Updated live
20cu ft
French door or side-by-side (20–26 cu ft)
Min size
17 cu ft
Freezer size
7–9 cu ft
Under the hood

The math comes from AHAM. Adjusted for kids.

Reference numbers come from the Association of Home Appliance Manufacturers' household sizing guidance, with the 0.7 child weighting and shopping-frequency multipliers documented in our internal tool-logic spec.

  1. 01

    People-weighted base

    5 cu ft per adult, plus 3.5 cu ft per child (children weighted as 0.7 of an adult).

  2. 02

    Cooking adjustment

    ×0.8 rarely, ×1.0 sometimes, ×1.2 daily, ×1.4 multiple times a day.

  3. 03

    Shopping adjustment

    ×0.8 daily, ×1.0 weekly, ×1.3 biweekly, ×1.6 monthly bulk.

  4. 04

    Style recommendation

    <14 cu ft → top-freezer / compact. 14–20 → standard. 20–26 → French door or side-by-side. 26+ → large French door.

Questions

Frequently asked

AHAM guidance puts a family of four at roughly 19–22 cu ft for typical weekly shopping and home cooking. Bulk shoppers (biweekly or monthly) should size up to 22–26 cu ft.
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Browse French door, side-by-side, and bottom-freezer refrigerators — every product page lists exact total and freezer cubic feet.

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