Sales Tax Calculator: Add (Charge) or Reverse Calculate the Tax – To the Listed Selling Prices (Before Tax) or Out of the Total Final Bill Prices (With Tax Included)

Sales Tax Calculator: add (charge) the tax to listed before tax prices, calculate final tax inclusive purchase, formula and explanation

HOW TO: Sales Tax, what is it and how to add it (charge it) to the listed selling before tax prices

Reverse calculate the sales tax amount that was already included into the total final after tax price

HOW TO: What is the sales tax and how to reverse calculate it out of the final price with tax (after tax)

All available calculators, by category:

• Simple Math Operations
• Money Calculations
• Time, Dates and Years

• Simple Math Operations

  • 1. Write Numbers in Words

    • Numbers to Words, Converter, in English: Write Numbers in Word Form
    • Write Ordinal Numbers in Words, in English, Converter

  • 2. Roman Numerals Converters and Calculator

    • Numbers to Roman Numerals Converter
    • Roman Numerals Converter to Hindu Arabic Numbers
    • Roman Numerals Addition and Subtraction Calculator

  • 3. Binary and Decimal Numbers Converters

    • Unsigned Base 10 Decimal System Numbers to Binary
    • Base 10 Numbers to Signed Binary in Base 2
    • Decimal to Signed Binary in One's (1's) Complement Representation
    • Decimal to Signed Binary in Two's (2's) Complement Representation
    • Decimal to 32 Bit Single Precision IEEE 754 Binary Floating Point Representation Standard
    • Decimal to 64 Bit Double Precision IEEE 754 Binary Floating Point Representation Standard
    • Unsigned Base 2 Binary Numbers - To Base 10 Decimal System
    • Base 2 Signed Binary Numbers - To Base 10 Decimal System
    • Signed Binary in One's (1's) Complement Representation to Decimal
    • Signed Binary in Two's (2's) Complement Representation to Decimal Converter
    • 32 Bit Single Precision IEEE 754 Binary Floating Point Representation Standard to Decimal
    • 64 Bit Double Precision IEEE 754 Binary Floating Point Representation Standard to Decimal

  • 4. Simple Arithmetic

    • Rounding off Numbers to Whole or Decimal Places
    • Adding Numbers: Calculate the Sum. Learn To Add
    • Subtracting Numbers: Calculate the Difference. Learn To Subtract

  • 5. Prime Numbers

    • Prime Factorization Calculator: Decompose Numbers Into Prime Factors
    • Calculator of the Greatest (Highest) Common Factor (Divisor)
    • Calculator of LCM, the Least Common Multiple
    • Simplify (Reduce) Fractions to the Lowest Terms
    • Numbers' Divisibility Calculator: Is a Number Divisible by Another?
    • Calculator of the (Common) Factors of One or Two Numbers
    • Check if Two Numbers are Relatively Prime (Coprime, Prime to Each Other)
    • Numbers' Parity Calculator: Is the Number Even or Odd?

  • 6. Fractions Operations

    • Reduce Common Fractions, Simplify Them to the Lowest Terms
    • Compare Common Fractions, Sort Them in Ascending Order
    • Sort Multiple Common Fractions in Ascending Order
    • Adding Common (Ordinary) Fractions
    • Subtracting Common (Ordinary) Fractions
    • Multiplying Common (Ordinary) Fractions
    • Convert numbers into fractions, mixed numbers and percentages. Equivalent fractions

  • 7. Percentages Calculators

    • Calculate Percentages of Numbers: p% of N = ?
    • Number N Is P% Percent of What Missing Number?
    • What Is a Number as a Percentage of Another?
    • Convert and Write Numbers, Proportions, Ratios or Fractions as Percentage Values
    • Relative Percent Change (Difference) Calculator
    • Increase Numbers by Percentages of Values
    • Decrease Numbers by Percentages of Values
    • Percentages Into Numbers and Marks Converter

  • 8. Geometry - Triangle

    • Solve a Triangle Given the Lengths of Its Three Sides
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• Money Calculations

  • 1. Write Numbers in Words

    • USD in Words: Write US$ Dollar Amounts in Words, Converter
    • Check Writing Calculator: How To Write a Check

  • 2. Simple Interest

    • Simple Interest (Flat Rate) Calculator: Calculate the Sum of Money Earned by a Principal
    • Calculate the Principal That Yields a Sum of Money as Simple Interest
    • Calculate the Simple Interest Rate That Yields a Sum of Money as Simple Interest
    • Calculate the Duration Period That Yields a Sum of Money as Simple Interest

  • 3. Compound Interest

    • Compound Interest Calculator with Periodic Contributions
    • Calculate the Simple Interest on an Amount of Money

  • 4. Sales Tax

    • Sales Tax Addition Calculator: Charge the Sales Tax to Listed Prices
    • Deduct (Extract) the Sales Tax From Sales Tax Charged Prices

  • 5. VAT Value Added Tax

    • VAT Calculator, Net to Gross: Add the Value Added Tax Rate
    • Reverse VAT Calculator, Gross to Net: Remove VAT From Gross Amount
    • Update Prices with New VAT Rates: Calculate Gross and Net Amounts
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• Time, Dates and Years

  • 1. Write Numbers in Words

    • Year to Words Converter: Write Years in Words, in English
    • Date of Birth in Words, Converter. Write Dates in Words, in English
    • Time 12 / 24 Hour to Words Converter: How To Write Clock Time in Words

  • 2. Roman Numerals Converters and Calculator

    • Date of Birth to Roman Numerals Converter

  • 3. Leap Years Calculator

    • Leap Years Calculator. Check if the Year Is a Leap Year or a Common One
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