Point Reward Calculator
Enter a purchase amount and reward rate (%) to automatically calculate earned points, cash payment, effective price, and effective discount rate. Supports combining base and campaign rates as well as redeeming points you already hold.
Results are estimates. Actual points may differ depending on each service's terms, rounding rules, and excluded items (shipping, fees, certain products, etc.).
This tool is for general information only and does not recommend using any specific service or making any purchase. Always confirm final amounts with the official source.
How to Use
Enter the Purchase Amount
Enter the tax-included price of the product or service.
Set the Reward Rate
Enter the base reward rate and add any campaign rate. The two are combined automatically.
Redeem Points (Optional)
Enter points you want to spend, and the cash payment will be updated accordingly.
Check the Results
Earned points, effective price, and effective discount appear instantly. Copy the result to save it.
About the Point Reward Calculator
A tool that converts credit card, cashless payment, and e-commerce point rewards into "how much you actually save." Just enter the purchase amount and reward rate to calculate earned points, cash payment, effective price, and effective discount at once. It supports combining base and campaign rates as well as redeeming points you already hold. All calculations run entirely in your browser.
Features
- See the Effective PriceAutomatically calculates the effective price after deducting earned points, plus the effective discount rate.
- Combine RewardsAdds base and campaign reward rates and calculates with the total rate.
- Choose RoundingPick floor, round, or ceil to match a specific service's rules.
- Privacy ProtectedAll calculations run in your browser; your input is never sent to any server.
Use Cases
- Checking the effective price during a high-reward campaign
- Comparing reward rates across cards and payment methods
- Estimating your net cost during sales
- Calculating the payment when redeeming points you hold
- Comparing point rewards against a discount coupon
FAQ
How are the effective price and effective discount calculated?
Are the base and campaign rewards combined?
How is point rounding handled?
Do earned points decrease when I redeem points?
Are the results accurate, and is my data safe?
Feedback
Missing a feature, or getting a result that looks wrong? Let us know — we improve our tools based on your feedback.