Recipes promise “about 3 dozen cookies”, but the real number depends on how big you make them. This calculator starts from the weight of the dough and your scoop size, then works out the baking sheets, the oven rounds and how many batches you need for a party or a bake sale.
Common cookie scoops
| Scoop | Number | Dough per cookie | Baked size (drop cookies) |
|---|---|---|---|
| 1 tbsp | #60 | about 1/2 oz (15 g) | 2 in |
| 1 1/2 tbsp | #40 | about 3/4 oz (21 g) | 2 1/2 in |
| 2 tbsp | #30 | about 1 oz (28 g) | 3 in |
| 3 tbsp | #20 | about 1 1/2 oz (43 g) | 3 1/2 in |
| 1/4 cup | #16 | about 2 oz (57 g) | 4 in |
The scoop number is how many level scoops make a quart. Dough weight per scoop varies with the recipe: dense, chunky doughs weigh more than airy ones.
How the calculation works
- Cookies = dough weight ÷ dough per cookie, rounded down
- Baking sheets = cookies ÷ cookies per sheet, rounded up
- Oven rounds = sheets ÷ sheets baked at once, rounded up
- Batches = guests × cookies per guest ÷ cookies per batch
Example
A classic chocolate chip recipe with 2 sticks of butter makes about 44 oz of dough. With a 2 tbsp scoop (1 oz), that is 44 cookies: 4 sheets of 12, baked in 2 rounds of 11 minutes, so about 22 minutes of baking. For 24 guests at 2 cookies each, one batch (1.1 to be exact) is just enough.
Weigh the dough
To find your dough weight, weigh the empty bowl before you start, then weigh it again with the dough and subtract. Or add up the ingredients: flour, sugar, butter, eggs and mix-ins.
Tips for even batches
- Use a scoop or a scale so every cookie bakes in the same time.
- Leave about 2 in between cookies on the sheet; a standard half sheet (18 × 13 in) holds 12 cookies of 3 in.
- Chill the dough for 30 minutes to 24 hours for thicker cookies with less spread.
- Rotate the sheets halfway through if your oven heats unevenly, and let sheets cool before loading the next round.
- Unbaked dough balls freeze well for up to three months: bake them from frozen, adding 1 to 2 minutes.