Pro-Rata Refund
Take the days left out of the total days and refund that share. The per-day figure — total over days — makes it easy to sanity-check the answer.
Your numbers
Refund
87,123
Cost a day
329
Left
72.6%
Formula
Refund = Amount × (Days in term − Days used) ÷ Days in term
Real contracts often add a cancellation fee or claw back a signing discount, so you get less than this. Treat it as the no-penalty baseline.
What to enter
| Input | Default | Accepted range |
|---|---|---|
| AmountThe amount the calculation starts from — settle whether tax is inside it. | 120,000 | 0 and up |
| Days in term (d)The full length of the contract or pass. | 365 | 1 and up |
| Days used (d)The part already used — that share does not come back. | 100 | 0 and up |
Step by step
Quick reference table
Results when only Amount changes and everything else stays put.
| Amount | Refund | Cost a day | Left (%) |
|---|---|---|---|
| 60,000 | 43,562 | 164 | 72.6 |
| 90,000 | 65,342 | 247 | 72.6 |
| 120,000 | 87,123 | 329 | 72.6 |
| 180,000 | 130,685 | 493 | 72.6 |
| 240,000 | 174,247 | 658 | 72.6 |
What each result means
| Result | At default values |
|---|---|
| RefundWhat comes back, in proportion to the days left. | 87,123 |
| Cost a dayThe cost spread over a day; compare it with a coffee. | 329 |
| Left (%) | 72.6 |
Common mistakes
Real contracts often add a cancellation fee or claw back a signing discount, so you get less than this. Treat it as the no-penalty baseline.
Glossary
- Amount
- The amount the calculation starts from — settle whether tax is inside it.
- Days in term
- The full length of the contract or pass.
- Days used
- The part already used — that share does not come back.
- Refund
- What comes back, in proportion to the days left.
- Cost a day
- The cost spread over a day; compare it with a coffee.
Frequently asked questions
Q. How is Pro-Rata Refund calculated?
Refund = Amount × (Days in term − Days used) ÷ Days in term — Take the days left out of the total days and refund that share. The per-day figure — total over days — makes it easy to sanity-check the answer.
Q. Can you walk through an example?
With Amount 120,000, Days in term 365d, Days used 100d, the answer is Refund 87,123.
Q. What do I need to enter?
Enter Amount, Days in term, Days used. The result recalculates as you type, and an empty box counts as zero.
Q. How much does the answer move if I change a number?
Changing only Amount moves the answer to Amount 60,000 → Refund 43,562 and Amount 240,000 → Refund 174,247. The table below lays out five steps.
Q. How are the numbers rounded?
Money is shown to the nearest whole unit, percentages to one decimal place and everything else to two. What you see is rounded; the calculation itself carries the unrounded value forward.
Q. Anything to watch out for?
Real contracts often add a cancellation fee or claw back a signing discount, so you get less than this. Treat it as the no-penalty baseline.
Related calculators
Tax rates and interest conventions differ by country and product — check your contract for real transactions.