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Two calculators tools, side-by-side. See which fits your task.
Calculators
Calculate discount percentage from original and sale prices.
Open Discount from SaleCalculators
Calculate straight-line distance between two coordinates using the Haversine formula. Results in km and miles.
Open Distance CalcYour specific task is calculate discount percentage from original and sale prices. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate straight-line distance between two coordinates using the haversine formula. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Discount from Sale focuses on calculate discount percentage from original and sale prices; Distance Calc focuses on calculate straight-line distance between two coordinates using the haversine formula. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Discount from Sale and Distance Calc work without signup. We only ask for an email if you decide to subscribe to a paid plan.