Free Shipping Top-Up
Subtract your basket from the threshold to see how much more you need. If that is less than the shipping fee, top up; if more, pay the fee.
Your numbers
Add to basket
8,000
Real discount
43.8%
Total
35,500
What it means
You would spend 4500 more than the 3500 fee — just pay the shipping.
Formula
Add to basket = Free-shipping threshold − Amount
This only works for things you would buy anyway. Padding the basket with items you will not use wastes more than the delivery charge.
What to enter
| Input | Default | Accepted range |
|---|---|---|
| AmountThe amount the calculation starts from — settle whether tax is inside it. | 32,000 | 0 and up |
| Free-shipping thresholdThe order value at which delivery becomes free. | 40,000 | 0 and up |
| ShippingWhat delivery costs if you stay under the threshold. | 3,500 | 0 and up |
Step by step
Quick reference table
Results when only Amount changes and everything else stays put.
| Amount | Add to basket | Real discount (%) | Total |
|---|---|---|---|
| 16,000 | 24,000 | 14.6 | 19,500 |
| 24,000 | 16,000 | 21.9 | 27,500 |
| 32,000 | 8,000 | 43.8 | 35,500 |
| 48,000 | 0 | 0 | 48,000 |
| 64,000 | 0 | 0 | 64,000 |
What each result means
| Result | At default values |
|---|---|
| Add to basketHow much more the basket needs to clear the threshold. | 8,000 |
| Real discount (%)Stacked discounts boiled down to one number — always less than adding them. | 43.8 |
| TotalEvery item added together — check whether tax or tip is inside it. | 35,500 |
Common mistakes
This only works for things you would buy anyway. Padding the basket with items you will not use wastes more than the delivery charge.
Glossary
- Amount
- The amount the calculation starts from — settle whether tax is inside it.
- Free-shipping threshold
- The order value at which delivery becomes free.
- Shipping
- What delivery costs if you stay under the threshold.
- Add to basket
- How much more the basket needs to clear the threshold.
- Real discount
- Stacked discounts boiled down to one number — always less than adding them.
- Total
- Every item added together — check whether tax or tip is inside it.
Frequently asked questions
Q. How is Free Shipping Top-Up calculated?
Add to basket = Free-shipping threshold − Amount — Subtract your basket from the threshold to see how much more you need. If that is less than the shipping fee, top up; if more, pay the fee.
Q. Can you walk through an example?
With Amount 32,000, Free-shipping threshold 40,000, Shipping 3,500, the answer is Add to basket 8,000.
Q. What do I need to enter?
Enter Amount, Free-shipping threshold, Shipping. 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 16,000 → Add to basket 24,000 and Amount 64,000 → Add to basket 0. 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?
This only works for things you would buy anyway. Padding the basket with items you will not use wastes more than the delivery charge.
Related calculators
Tax rates and interest conventions differ by country and product — check your contract for real transactions.