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Online Calculators

Use these quick calculators for everyday numbers, simple checks, pricing work and content planning without opening a spreadsheet.

6 Tools Runs locally in your browser No uploads

Common uses

What you can do here

  • Calculate percentages and changes
  • Check discounts and tax totals
  • Summarize number lists and ratios

FAQ

FAQ

Are these calculators free?

Yes. The calculators are free and run in your browser.

Should I treat calculator output as professional advice?

No. These tools are meant for quick everyday calculations. Verify important financial, tax or business decisions separately.

Calculators

All converters

Calculators
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Percentage Calculator

Calculate what percentage of a number equals, such as 20% of 150.

  • Percent of number
  • Formula shown
  • Fast result
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Calculators

Percentage Change

Calculate percentage increase or decrease between an old value and a new value.

  • Increase or decrease
  • Difference shown
  • Two-number input
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Calculators
Popular

Discount Calculator

Calculate discount amount and final price from an original price and discount percentage.

  • Final price
  • Discount amount
  • Percent input
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Calculators

VAT Calculator

Calculate tax amount and total price from a base amount and tax percentage.

  • Tax amount
  • Total with tax
  • Custom percent
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Calculators

Average Calculator

Calculate average, sum, median, minimum and maximum from a list of numbers.

  • Average
  • Median
  • Min and max
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Calculators

Ratio Simplifier

Simplify ratios such as 1920:1080 into their smallest whole-number form.

  • Simplified ratio
  • Decimal value
  • Aspect-ratio friendly
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