Percentage Calculator: Calculate Percentage Online Free in 2026

What is Percentage?

1. Basic Percentage

2. Percentage Of

3. Percentage Change

GST Calculations

• Current GST rates: 5%, 12%, 18%, 28%Example: ₹1,000 + 18% GST = ₹1,180

Bank Interest Rates

• Savings account: 3-4% p.a.Fixed deposit: 6-7% p.a.Home loan: 8.5-10% p.a.

Discount Calculations

• Big Billion Days: Up to 80% offAmazon Sale: Up to 70% offFlipkart Sale: Up to 75% off

Marks Percentage

• Class 10/12 marks calculationCollege percentageCGPA to percentage conversion

Quantitative Aptitude

• Common in UPSC, SSC, Bank, RRB examsWeightage: 8-12 questions per exam

Important Formulas to Remember

Trick 1: Fraction to Percentage

Trick 2: Percentage to Decimal

• 25% = 0.25 (divide by 4)75% = 0.75 (3/4)10% = 0.1 (divide by 10)

Trick 3: Finding 10% First

• For 15%: find 10%, then add half (5%)For 35%: find 10%, multiply by 3.5, or find 30%+5%

Shopping

• Calculate discount on productsCompare offers between brandsTax inclusive/exclusive calculations

Salary

• Calculate PF contribution (12% of basic)Calculate HRA componentCalculate tax deductions

Business

• Profit/loss percentageMark up vs marginYear-over-year growth

Health

• Body fat percentageMuscle mass percentageDaily calorie intake calculations

1. Confusing percentage with decimal

• Wrong: 50 = 50%Correct: 50 = 50%, 0.5 = 50%

1. Incorrect base value

• Wrong: 20% of 50 = 10% of 100Correct: 20% of 50 = 10

1. Adding percentages directly

• Wrong: 10% + 20% = 30% of totalCorrect: Calculate separately then add

Inflation Rate

• Current CPI inflation: 4-5% (2026)Food inflation: 5-6%

GDP Growth

• India GDP growth target: 6.5-7% (FY 2027)Manufacturing sector: 6-7%Service sector: 7-8%

Unemployment

• Youth unemployment (15-29 years): 13-15%Urban unemployment: 7-8%

Student: Calculate Exam Marks

• Obtained: 450 out of 600Percentage = (450/600) × 100 = 75%

Shopkeeper: Set Discount

• Cost: ₹1,000Want 20% profit after 10% discountSelling price = 1000 × 1.20 = ₹1,200Marked price = 1200/0.90 = ₹1,333

Employee: Calculate In-hand Salary

• Gross: ₹50,000PF: 12% = ₹6,000Tax: 10% = ₹5,000 (approx)In-hand = ₹39,000 (approx)