Everyday & Business Calculators

Percentage, discount, sales tax, markup, margin, ROI, and budgeting tools for daily life and work.

GPA Calculator

Free GPA calculator: compute your grade point average on the 4.

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Due Date Calculator

Free pregnancy due date calculator: estimated due date from your last period using Naegele's rule, plus current gestational age and trimester.

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Final Grade Calculator

Free final grade calculator: the exam score you need to reach your target course grade, based on your current grade and exam weight.

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Percentage Calculator

Free percentage calculator: what is X% of Y, X is what percent of Y, and percentage change.

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Tip Calculator

Free tip calculator: calculate tip, total, and per-person amount.

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Net Worth Calculator

Free net worth calculator: add your assets and liabilities to see your true net worth in seconds.

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Budget Calculator

Free budget calculator: split your monthly take-home pay into needs, wants, and savings with the 50/30/20 rule.

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Discount Calculator

Free discount calculator: final price after a percent-off sale, and exactly how much you save.

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Sales Tax Calculator

Free sales tax calculator: total price with combined state and local sales tax for any US state.

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Emergency Fund Calculator

Free emergency fund calculator: how much you need saved for 3-12 months of expenses.

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Markup Calculator

Free markup calculator: set your selling price from cost and markup percentage, and see your profit.

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Margin Calculator

Free margin calculator: set your selling price from a target profit margin and see your profit per unit.

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Tax Refund Calculator

Free tax refund calculator: estimate your federal refund or amount owed from income and taxes withheld.

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Percentage Change Calculator

Free percentage change calculator: percent increase or decrease between two numbers, with the absolute difference.

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Moving Cost Calculator

Free moving cost calculator: estimate your move with distance fees, hourly movers, and truck costs.

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Life Insurance Needs Calculator

Free life insurance needs calculator: how much coverage you need to replace income, cover debts, and final expenses.

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