Phrasal verb
Add up
What does 'add up' mean?
'Add up' means calculate a total, accumulate into a larger amount, or seem logical and consistent. For example, 'Could you add up these prices before we order?' Use 'add up to' before a final total, and put pronouns between the words: 'Please add them up.'
Key points
- 'Add up' can describe calculation or gradual accumulation.
- Use 'add up to' before the final total.
- Place pronouns between 'add' and 'up'.
- An explanation can add up or not add up.
Can you use "Add up" yourself?
This lesson has 5 stages. You can stop at any time and continue later.
Stage 1 of 5
Understand
What it means, when to use it, and mistakes to avoid.
The full explanation
Add up has three distinct meanings in everyday English. First, it describes calculating a total by putting separate figures together. Second, it describes small amounts, delays, or charges accumulating over time into a large sum. Third, it describes whether an explanation, figure, or set of facts appears logical and consistent. When you name the resulting total, use add up to directly before the amount.
Please take these grocery receipts and add them up.
Why it works: Calculation meaning with pronoun placed between add and up.
2 more examples
-
Those daily taxi fares add up over a busy month.
Accumulation meaning where small expenses become a large total without a direct object.
-
Her arrival time does not add up because the first train left an hour later.
Logical consistency meaning expressing doubt about conflicting information.
Read the full guide
Use add up to calculate a total
When you calculate how much items cost together, you add them up to find the total. A total is the full amount after every separate price is combined. For example, if two people buy sandwiches, fruit, and snacks, one person can add up the numbers to see what they owe. In ordinary conversation, you will often hear friends or coworkers use this expression before paying a bill together.
-
Please add up the lunch items on the receipt.
Why it works: The speaker asks someone to calculate the combined price of the lunch items.
-
We need to add up our train fares before splitting the travel cost.
Why it works: This describes finding the full amount spent on fares.
Your turn
You are sharing a taxi fare with a coworker. Which sentence politely asks them to calculate the full price?
Answer: Can you add up the fare for both of us?
Show the answer
Answer: Can you add up the fare for both of us?
The speaker is asking for a calculation of money, so add up followed by the thing being calculated is correct.
Put a noun on either side of up, but put them in the middle
When you name the specific item you are counting, you can place that noun after the full phrase or between the two words. Both 'add up the receipts' and 'add the receipts up' are natural English. However, when you replace the noun with a pronoun such as 'them' or 'it', the pronoun must go in the middle. English speakers never place 'them' or 'it' after the word 'up'.
-
Here are the grocery receipts, so please add them up.
Why it works: The pronoun 'them' sits between 'add' and 'up'.
-
I have the final invoice and will add it up before five o'clock.
Why it works: The singular pronoun 'it' must come between 'add' and 'up'.
This also comes up in Scamming the scammers and Measure up.
Your turn
Your friend hands you four receipts. Which sentence uses correct pronoun placement?
Answer: Give me a minute and I will add them up.
Show the answer
Answer: Give me a minute and I will add them up.
Pronouns like 'them' and 'it' must sit between 'add' and 'up', never after 'up'.
Use costs add up when small amounts become a lot
Small amounts of money, minutes, or energy can accumulate over time until they become a substantial amount. When you say that expenses add up, you mean that many small charges gradually create a surprisingly large total. This accumulation pattern does not require a person to perform arithmetic, and it takes no direct object. The small items themselves are the subject of the sentence.
-
Buying coffee every morning might seem harmless, but those daily costs add up.
Why it works: The subject 'daily costs' accumulates without an object or human calculator.
-
Ten-minute delays on the subway quickly add up during a busy work week.
Why it works: The small periods of lost time accumulate into a larger period.
Your turn
A colleague notices that buying bottled water every afternoon is becoming expensive. Which sentence describes this accumulation correctly?
Answer: Those two-dollar bottles of water really add up over a month.
Show the answer
Answer: Those two-dollar bottles of water really add up over a month.
In this pattern, small costs act as the subject and accumulate over time without an object.
Use add up to before the total or combined result
To show the final result of a calculation or combined effect, connect the phrase to the final number using the preposition 'to'. Saying 'we add up the prices' describes the action of calculating, while saying 'the prices add up to thirty dollars' names the completed result. You can also describe non-money results, such as several short office interruptions adding up to two lost hours.
-
Our hotel room and breakfast add up to ninety euros for the night.
Why it works: 'Add up to' links the items directly to the final total amount.
-
Five short phone calls added up to an hour of lost focus.
Why it works: The phrase expresses the combined result of several interruptions.
Your turn
Which sentence correctly names the final calculated total of an expense?
Answer: Our dinner meals add up to seventy euros.
Show the answer
Answer: Our dinner meals add up to seventy euros.
'Add up to' must stay together directly before the resulting amount or total.
Use doesn't add up when information does not make sense
When an explanation, alibi, or set of facts makes sense, native speakers say that it adds up. When details contradict one another or do not seem plausible, speakers say that the story does not add up. Using 'doesn't add up' expresses reasonable doubt about consistency without directly accusing someone of lying. Unlike calculation, this meaning never takes an object: you cannot 'add up an explanation'. Notice the key contrast between expressing doubt and doing arithmetic: saying 'The explanation doesn't add up' indicates that facts conflict and lack logical consistency, whereas saying 'I can't add up the prices' means you are struggling with a numerical calculation.
-
The report claims sales doubled last week, but the store was closed for three days, so that does not add up.
Why it works: The facts contradict each other, creating logical doubt.
-
Her schedule adds up once you remember that she took an earlier train.
Why it works: The details fit together logically once new information is known.
Your turn
A contractor gives two different completion dates for the same project. How do you express your doubt naturally?
Answer: His dates do not add up, so we need to ask for clarification.
Show the answer
Answer: His dates do not add up, so we need to ask for clarification.
'Do not add up' expresses that statements or dates are inconsistent and do not make sense.
Choose add or adds and correct misplaced objects
Form questions and negative statements with the base form 'add' after helper verbs such as 'does', 'doesn't', or 'did'. For example, ask 'Does the bill add up?' or 'Did you add them up?' rather than changing the main verb. In formal business writing, choose explicit phrasing such as 'calculate the total' or 'the figures are consistent'. Save 'add up' for conversation, emails, and routine workplace discussions.
| Meaning | Grammar Pattern | Everyday Example |
|---|---|---|
| Calculation | add up + noun or add + noun/pronoun + up | We should add the lunch receipts up. |
| Accumulation | subject + add up (no object) | Small commuter charges add up over time. |
| Total or Result | subject + add up to + sum | The groceries add up to forty dollars. |
| Logical Consistency | subject + does not add up (no object) | His explanation does not add up. |
-
Did you add up the delivery fees on the invoice?
Why it works: Use base form 'add' after the past helper verb 'did'.
-
The witness changed his arrival time, so his statement did not add up.
Why it works: Use base form 'add' after 'did not' to describe inconsistent statements.
Your turn
Which question correctly asks someone if they calculated a list of expenses?
Answer: Did you add them up yesterday?
Show the answer
Answer: Did you add them up yesterday?
After 'did', use the base verb 'add', and place the pronoun 'them' between 'add' and 'up'.
Hear add up, adds up and added up in six short dictations
In natural connected speech, fluent speakers link the final consonant of 'add' directly into the vowel of 'up', pronouncing them as a smooth single unit. In the third person, 'adds up' introduces a buzzing sound between words that can sound like 'adz-up'. Listen for the two syllables of 'added up' when hearing past actions. Context clues such as receipts, money, or confusion tell you whether the speaker means calculation, accumulation, or logic.
-
He adds up the tips at the end of every evening shift.
Why it works: The linked /dz/ sound in 'adds up' connects smoothly to the vowel.
-
Yesterday she added up our travel mileage on the computer.
Why it works: The two syllables in 'added' combine with past context to signal completed calculation.
Your turn
You hear a speaker say: 'Each service charge /ædz ʌp/ quickly.' What is the spoken verb form?
Answer: adds up
Show the answer
Answer: adds up
The /dz/ sound links the third-person singular present form 'adds' directly to 'up'.
Recall the right add up pattern for a new situation
Check your understanding by recalling the correct pattern across new situations. Test your active memory by completing the structured practice exercises below before checking the model answers. In this practice, you will select the intended meaning from context, correct a misplaced object pronoun, and produce two natural responses from memory in fresh everyday situations.
Structured recall practice: 1. Meaning selection: In the sentence 'Those tiny delivery charges add up over a busy week,' does 'add up' express calculation, accumulation, or logical consistency? 2. Pronoun correction: Correct the error in this sentence: 'Here are the receipts for lunch, so please add up them.' 3. Memory response 1 (consistency): Your colleague gives two completely conflicting arrival times for his flight. Write one short sentence expressing your doubt using 'add up'. 4. Memory response 2 (calculation): You and a friend want to know the total cost of three concert tickets. Ask your friend to calculate the tickets using 'add up' with the pronoun 'them'.
Answers after your attempt: 1. Meaning selection answer: Accumulation (small individual costs gradually becoming a large total over time). 2. Pronoun correction answer: 'Here are the receipts for lunch, so please add them up.' (The pronoun 'them' must sit between 'add' and 'up'). 3. Memory response 1 answer: 'His arrival times do not add up.' or 'That schedule doesn't add up.' 4. Memory response 2 answer: 'Can you add them up for us?' or 'Could you add them up before we pay?'
-
I received three separate repair bills, so I will add them up tonight.
Why it works: Calculation with pronoun in the middle.
-
Her timetable did not add up until she showed us the boarding pass.
Why it works: Logical consistency in a past negative sentence.
Your turn
Choose the correct sentence to tell a roommate that four small utility charges produce a large monthly total.
Answer: These four small utility charges really add up over time.
Show the answer
Answer: These four small utility charges really add up over time.
Small recurring bills accumulate over time using 'add up' without an object.
Other meanings of "add up"
This lesson practises one meaning. You may also hear these.
Accumulate gradually into a larger amount or result.
Small service charges add up during the month.
Seem logical and consistent.
Her explanation does not add up.
Common mistakes with "add up"
What learners often say, what to say instead, and why.
-
Not this:
Please add up them before dinner.Say: Please add them up before dinner.
Object pronouns must come between 'add' and 'up'.
-
Not this:
Did you added up the expenses?Say: Did you add up the expenses?
After 'did', use the base form 'add'.
-
Not this:
The charges add up fifty pounds.Say: The charges add up to fifty pounds.
'Add up to' is required before the resulting total.
-
Not this:
We added up an explanation.Say: The explanation does not add up.
The consistency meaning takes no direct object.
Use it naturally
How people really use “add up”
Neutral Fine almost anywhere, at work or with friends.
Words it often goes with
- add up the scoresLet's add up the scores to see who won.
- costs add upSmall repair costs add up over time.
- add up quicklyA few minutes of waiting each day can add up quickly.
- doesn't add upHis story doesn't add up because he gives two different arrival times.
What people also say
- “I'll add them up.” instead of “I'll calculate the total of these numbers.” This is a simple, everyday way to offer to find a total.
Questions about "Add up"
What does add up mean?
Add up has three common meanings in everyday English. First, it means calculating a total by combining numbers. Second, it describes small amounts gradually becoming a large sum over time. Third, it means that an explanation, alibi, or set of facts seems logical and consistent.
Please add up our grocery receipts so we can share the cost.
Those small parking fees add up quickly over a month.
His explanation does not add up because he gave two conflicting times.
Can I say add up them?
No, you cannot say add up them or add up it. When you use a pronoun as the object of calculation, English word order requires the pronoun to sit between the verb and the particle. Say add them up or add it up instead.
I found all our receipts and will add them up tonight.
Here is the final dinner bill, so let us add it up together.
What is the difference between add up and add up to?
Add up describes the process of calculating or the gradual accumulation of items. In contrast, add up to connects those items directly to their final sum or total result. You add up prices, but the prices add up to fifty dollars.
We should add up our travel expenses before leaving the hotel.
The hotel room and train tickets add up to two hundred dollars.
Does doesn't add up mean someone is lying?
Not necessarily. Saying that an explanation does not add up means that the details seem inconsistent, confusing, or incomplete. It points out a logical contradiction or missing detail without directly accusing the speaker of dishonesty.
The flight times do not add up, so there might be a printing error on the ticket.
Her story does not add up until you realize she changed trains in Chicago.
How do I use add up in a question?
To ask a question, place a helper verb such as do, does, can, or did before the subject, and keep add in its base form. For calculation questions with a pronoun, place the pronoun before up, as in Did you add them up?
Does this schedule add up to you?
Did you add them up before paying the cashier?
What is the past tense of add up?
The past tense is added up. Added has two clear syllables and ends with an /ɪd/ sound. In negative past statements or past questions, keep the base form add after did or didn't.
Yesterday our accountant added up the office expenses.
The supervisor didn't add up the receipts until this morning.
Before you go
Remember this
Calculate a total by adding items up, describe accumulation by watching small costs add up, and evaluate logic by deciding whether a statement adds up. Always place pronouns in the middle, and keep add up to joined before a final sum.
Stage 2 of 5
Listen
Hear it in real sentences, from short to long, and write what you hear.
0 of 4 done
Listening 1 of 4
Listen, then type what you hear. Replay as often as you need.
0:00
- Those daily taxi fares add up over a busy month.
- Her arrival time does not add up because the first train left an hour later.
Read the transcript
Can you add up our picnic items before we pay?
Listen for
At natural speed these words change shape. Tap one to hear it again.
- listen for "ad-dup": "add up" sounds like one connected chunk.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- listen for "ad-dup": "add up" sounds like one connected chunk.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- listen for "ad-dup": "add up" sounds like one connected chunk.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
Listening 2 of 4
Listen, then type what you hear. Replay as often as you need.
0:00
- Those daily taxi fares add up over a busy month.
- Her arrival time does not add up because the first train left an hour later.
Read the transcript
Yesterday our clerk added it up on paper.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- listen for "adde-dit": the final d in "added" joins the start of "it."
- listen for "i-tup": "it up" flows together with no pause.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- listen for "adde-dit": the final d in "added" joins the start of "it."
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- listen for "adde-dit": the final d in "added" joins the start of "it."
- listen for "i-tup": "it up" flows together with no pause.
Try a longer clip. Listen once, then replay the part you missed.
Listening 3 of 4
Listen, then type what you hear. Replay as often as you need.
0:00
- Those daily taxi fares add up over a busy month.
- Her arrival time does not add up because the first train left an hour later.
Read the transcript
Daily bus rides add up over an entire month. A short trip seems cheap alone, but twenty trips become quite expensive.
Here add up describes accumulation: multiple small fares gradually become a large total cost.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- listen for "ad-dup": the final sound in "add" joins the start of "up."
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- listen for "ad-dup": the final sound in "add" joins the start of "up."
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- listen for "ad-dup": the final sound in "add" joins the start of "up."
- The last sound of the first word runs straight into the next word.
This clip is longer. Follow the instruction above the answer field.
Listening 4 of 4
Listen, then type the missing words. The rest of the text is already there.
0:00
- Those daily taxi fares add up over a busy month.
- Her arrival time does not add up because the first train left an hour later.
Read the transcript
The driver says our morning delivery arrived early, but his timeline does not add up at all. A warehouse record shows our package left after noon, so someone made an error on the schedule. We can ask him about our missing items later.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
- listen for "ad-dup": the final d in "add" connects to "up."
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
Listen for
At natural speed these words change shape. Tap one to hear it again.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
- The last sound of the first word runs straight into the next word.
Practice complete
You listened closely.
Your result is saved in this browser.
Keep your progress. Your practice is saved on this device only. Create a free account to keep it everywhere.
Create a free accountThat was today's free lesson. Tomorrow you get another one. Want more today? See membership.
Create a free SubLearn account to keep this progress across devices.
Save my progressStage 3 of 5
Speak
Say it with the speaker, then use it in your own answer.
Shadow
Say it along with the speaker
Can you add up our picnic items before we pay?
Play the line slowly, then speak at the same time as the speaker. Copy the rhythm, not just the words.
Your turn
Say it your way
Speak for 30 to 60 seconds from memory. Imagine you are learning piano at home. Describe your short practice sessions, explain how you track your minutes, and say how much practice you can complete in a week.
Use: add them up add up to
Think for ten seconds, then answer out loud for as long as the task above asks, without looking at the lesson. Nothing is sent unless you ask for feedback.
0:00
Hear how someone else might say it
I'm learning piano at home, and I try to practice a little every day. I do ten minutes before breakfast and ten more after dinner. Those two sessions add up to twenty minutes a day. I write the minutes in a notebook and add them up on Sunday. If I practice every day, that's two hours and twenty minutes a week. Short sessions feel easy to fit into my day. I want to play a simple song for my sister next month, so having a clear goal helps me keep going.
Try once more and answer this: What song would you like to learn first?
Stage 4 of 5
Write
Write about your own day or week using it, then write a message.
Write
Put it in your own words
- I used “add up”.
- It is about my life, not the lesson’s example.
- I read it once aloud to check it sounds right.
Write your own response
Choose a situation and write 30–50 words in your own wording. This is separate from typing the exact words in a recording.
Check your own writing
Read one possible response
Use these checks to revise your message. Grammar and meaning are not automatically graded. Each task keeps its own draft in this browser tab.
You finished the free part of this lesson
- Understand
- Listen
- Speak
- Write
- CheckPart of membership
Worth another look
With a free account, the lessons you finish come back for review to help you remember them.Create a free account
Stage 5 of 5 · Part of membership
Check
New clips without hints.
Listening tests are included with membership. Try the free dictation first, then decide whether to continue.
Listening 1 of 2 Part of membership
Listening 2 of 2 Part of membership
Follow MicroEnglish
New lessons, short videos and quick quizzes every day. Pick the app you already use.
Questions & comments
Ask about this lesson, share an example, or help another learner.
Example
Memory tip
Goes with
Related forms
Not to be confused with
In this lesson
This word isn't in our dictionary. Check the spelling, or try another form of the word.
We couldn't load this word. Try again.
