The Calcylator Blog

Big ideas for
everyday numbers.

Practical guides, clear examples, and smarter ways to calculate.

Loans & EMI

How to calculate EMI: a simple guide

Understand how EMI works, learn the formula, and see a step-by-step example to calculate your monthly payments with ease.

Calcylator Editorial Team6 min read

Everyday

Learn different ways to calculate age, from exact years to days, with clear examples.

Calcylator Editorial Team4 min read

Finance

See the key differences, with real examples to help you understand how interest grows.

Calcylator Editorial Team5 min read

Finance7 min read
Old vs New Tax Regime 2026-27: Which Costs Less?
Compare the old and new tax regime for FY 2026-27 by computing final tax under each. A two-column sheet and a deduction break-even show which costs less.
Math6 min read
Percentage Calculator: 4 Ways to Find a Percent
A percentage calculator answers four questions: X% of a number, what percent one number is of another, the whole from a part, and a discounted price.
Math6 min read
Percentage Decrease Calculator: Price Drops Worked Out
Percentage decrease = (old − new) ÷ old × 100. See ₹2,000 falling to ₹1,700 as 15%, how to find the original price, and why a 20% drop needs a 25% rise.
Math6 min read
Percentage Difference Formula and Examples
Percentage difference compares two values by dividing their gap by their average. See the formula, a worked ₹ example and how it differs from change.
Math6 min read
How to Calculate Percentage Increase (Examples)
Percentage increase calculator formula, (new − old) ÷ old × 100, with a salary-hike example, how to add 15% to a price and the base mistake to avoid.
Everyday6 min read
Percentage to CGPA Calculator: Formula and Table
Percentage to CGPA: divide by your institution's factor (often 9.5), use a 50 to 95 table and round the result safely.

Explore our free calculators and apply these concepts to your own numbers.