Calculate Your SG Percentage Effortlessly with Our Tool

SanchitGurukul Utility

Percentage Calculator

Calculate percentages, increases, decreases, discounts, tax, margins, markup, original values, and percentage differences with clear formulas and practical examples.

🔒 Runs locally in your browser

Result —

Visual comparison

See the relationship between the values used in the calculation.

Calculation details

Common percentage formulas

Percentage of a number (Percentage ÷ 100) × Value

Example: 20% of 500 = 100.

What percent? (Part ÷ Total) × 100

Example: 25 is 25% of 100.

Percentage increase ((New − Old) ÷ Old) × 100

Example: 100 → 120 = 20% increase.

Percentage decrease ((Old − New) ÷ Old) × 100

Example: 100 → 80 = 20% decrease.

Discounted price Price × (1 − Discount ÷ 100)

Example: ₹1,000 with 20% discount = ₹800.

Price after tax Price × (1 + Tax ÷ 100)

Example: ₹1,000 + 18% tax = ₹1,180.

Profit margin ((Selling − Cost) ÷ Selling) × 100

Margin is based on selling price.

Markup ((Selling − Cost) ÷ Cost) × 100

Markup is based on cost price.

Practical daily-use examples

Shopping discount

Find the final price after a 25% discount.

Salary increase

Calculate the percentage increase from old salary to new salary.

Exam score

Convert marks obtained into a percentage of total marks.

Tax / GST

Add a tax percentage to a base amount.

Business margin

Compare cost and selling price to calculate profit margin and markup.

Storage growth

Measure how much disk usage increased or decreased.

Accuracy note: Calculations are performed locally in the visitor's browser. Results are mathematical estimates based on the values entered. For accounting, tax, payroll, lending, or regulatory decisions, verify the applicable rules and rounding requirements independently.

Your feedback matters

Was this post helpful?

0 reactions