US Financial & Business Calculators
Instant calculations powered by standard US financial formulas.
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US Mortgage Calculator
Calculate monthly mortgage payments with principal, interest, taxes, insurance (PITI), and PMI.
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US Sales Tax & Tip Calculator
Calculate sales taxes by state and split restaurant bills and tips among dining guests.
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Profit Margin & Markup Calculator
Compute gross margins, retail markups, revenue, and profit margins for e-commerce and business.
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