Calculate geometric sequence nth term.
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Arithmetic Sequence Calculator – nth Term
Quick answer
If first term is 2, common difference is 3 and term number is 10, the nth term is 29.
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nth term
29
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
nth term by first term
If first term goes from 2 to 3, nth term changes from 29 to 30 (+3.4%).
| First term | nth term |
|---|---|
| 1 | 28 |
| 1.5 | 28.5 |
| 2start | 29 |
| 3 | 30 |
| 4 | 31 |
nth term by common difference
If common difference goes from 3 to 4.5, nth term changes from 29 to 42.5 (+47%).
| Common difference | nth term |
|---|---|
| 1.5 | 15.5 |
| 2.25 | 22.25 |
| 3start | 29 |
| 4.5 | 42.5 |
| 6 | 56 |
nth term by term number
If term number goes from 10 to 15, nth term changes from 29 to 44 (+52%).
| Term number | nth term |
|---|---|
| 5 | 14 |
| 7.5 | 21.5 |
| 10start | 29 |
| 15 | 44 |
| 20 | 59 |
MATH GUIDE
A quick guide to Arithmetic Sequence nth Term
Use it to get an accurate nth term in seconds — free, with no sign-up.
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See your nth term the moment you enter your numbers.
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How to Use the Arithmetic Sequence nth Term Calculator
1
Enter First term
Provide your first term.
2
Enter Common difference
Provide your common difference.
3
Enter Term number
Provide your term number.
4
View Your Results
Get your nth term instantly, calculated on our server.
What is Arithmetic Sequence nth Term?
This math tool works out your nth term instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your nth term before you decide.”
What Affects Your nth term
Your nth term depends on the values below.
First term
Changing your first term changes your nth term.
Common difference
Changing your common difference changes your nth term.
Term number
Changing your term number changes your nth term.
Example Result
Here's what you can expect from an arithmetic sequence nth term calculation:
- First term
- 2
- Common difference
- 3
- Term number
- 10
- nth term
- 29
Frequently Asked Questions
- How does first term affect nth term?
- If first term goes from 2 to 3, nth term changes from 29 to 30 (+3.4%).
- How does common difference affect nth term?
- If common difference goes from 3 to 4.5, nth term changes from 29 to 42.5 (+47%).
- How to calculate arithmetic sequence nth term?
- Fill in first term, common difference and term number in the Arithmetic Sequence Calculator – nth Term above and your nth term is calculated instantly. Change any value to see how the result responds.
- What does an example arithmetic sequence nth term calculation look like?
- If first term is 2, common difference is 3 and term number is 10, the nth term is 29.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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