When to use this calculator
Use this as a first comparison for occasional equipment. Ownership costs and flexibility can change the eventual decision.
Explore the shopping & value calculators for other questions in this topic. For a related calculation, use the Discount Calculator: Find a price after a single percentage discount.
PUTTING IT INTO PRACTICE
Buy Versus Rent Break Even: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Purchase cost | 300 |
| Rental price per use | 25 |
| Result | 12 uses |
- Check the input labels and enter the example values above.
- Apply the relationship: Break-even uses = ceiling(purchase cost/rental price).
- The result is 12 uses, rounded for display.
How to interpret your result
Excludes maintenance, resale value, financing, storage and changing rental rates.
Compare quantities on a common unit basis. Apply successive discounts to the reduced price each time. A low unit cost only creates value if the quantity is useful and additional purchase costs are considered.
Frequently asked questions
Can I simply add two discount percentages?
No. A second discount applies to an already reduced price, so the remaining-price factors must be multiplied.
When is the buy versus rent break even calculator useful?
Use this as a first comparison for occasional equipment. Ownership costs and flexibility can change the eventual decision.
How do I use the buy versus rent break even calculator?
Enter purchase cost, rental price per use. The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Break-even uses = ceiling(purchase cost/rental price).
What should I check before using the result?
Excludes maintenance, resale value, financing, storage and changing rental rates.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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