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Bags to buy
Seed is sold in whole bags, so the division always rounds up.
The Formula
bags = ceil(pounds / bag size)
Seed is sold in whole bags, so the division always rounds up.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| n | Bags | bags | The number of bags to buy. |
| m | Seed weight | pounds | The total pounds of seed needed. |
| b | Bag size | pounds | The weight of one bag. |
What Each Symbol Means
nbags
Bags
The number of bags to buy.
mpounds
Seed weight
The total pounds of seed needed.
bpounds
Bag size
The weight of one bag.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate grass seed needed page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate Grass Seed Needed, filed under Everyday Life. Every number the guide produces comes from substituting into this one line.