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Water Intake Calculator

Estimate how much water you should drink per day.

0Liters per day
0Cups (≈240ml)

General estimate (roughly 33ml per kg of body weight, adjusted for activity), not medical advice — needs vary by climate, health conditions, and individual factors.

Weekday Finder

Find what day of the week any date falls on.

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Customer Lifetime Value (LTV) Calculator

Estimate how much a customer is worth over time.

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Customer Acquisition Cost (CAC) Calculator

Calculate how much it costs to acquire a customer.

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Churn Rate Calculator

Calculate customer churn and retention rate.

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Depreciation Calculator

Calculate straight-line depreciation of any asset.

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Markup vs Margin Calculator

See markup and margin side by side from cost and price.

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