Use add up for the act of calculating a total, especially with figures, bills, scores, costs, or columns of numbers.
Use add up for the act of calculating a total, especially with figures, bills, scores, costs, or columns of numbers.
| Incorrect | Correct |
| He add up the receipts every Friday. | He adds up the receipts every Friday. |
| She added the total up it. | She added it up. |
| Can you add up to these figures? | Can you add up these figures? |
Use add up with to when naming the total or result, and use it without to when the point is that many small things accumulate.
| Incorrect | Correct |
| The repairs add up $2,000. | The repairs add up to $2,000. |
| Small fees add up to quickly. | Small fees add up quickly. |
| All that work adds up a real improvement. | All that work adds up to a real improvement. |
Use add up this way mostly in negative or questioning forms, as in doesn't add up or does it add up?.
| Incorrect | Correct |
| This cake doesn't add up because I dislike chocolate. | This story doesn't add up because the times contradict each other. |
| Her explanation doesn't add up with the evidence. | Her explanation doesn't add up. |
| The clues add up into a suspicious story. | The clues add up to a suspicious story. |
Use add up for totals and logic. Use add up to when naming the amount or result that follows.
He add up drops the third-person -s, and add up to is often missing before a named total or result.
Formed from add plus up, where up marks completion, accumulation, or bringing parts into a whole.
What does add up mean?
Add up means calculate a total, combine into an amount or result, or make sense logically.
How do you use add up with numbers?
Use it for calculating a total: add up the receipts, add up the scores, or add up the costs.
What does add up to mean?
Add up to introduces the total or result, as in the costs add up to $500.
What does doesn't add up mean?
Doesn't add up means the facts or explanation do not fit together logically.
Is add up separable?
Yes. With an object, both add up the figures and add the figures up are possible.
What is the third-person form of add up?
The third-person form is adds up, as in he adds up the numbers.
Can small things add up?
Yes. Small costs, efforts, or delays can add up when they accumulate over time.
Is add up formal or informal?
It is neutral and common in everyday speech, business, math, and reasoning contexts.