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

Everyday6 min read
Minutes to Seconds: Convert mm:ss Timings Fast
Multiply minutes by 60 to get seconds. Convert 4:35 to 275 seconds, add up track lengths with carry-over, and avoid the 2.30 versus 2:30 slip.
Math7 min read
Mixed Fraction Calculator: Convert and Calculate
Convert mixed fractions to improper fractions and back, then add, subtract, multiply and divide mixed numbers with worked examples and a chart.
Finance7 min read
Mortgage Payment Formula: Step-by-Step Example
Mortgage payment calculator guide: use the formula M = P × r ÷ [1 − (1 + r)^−n], with a ₹60 lakh example giving about ₹50,352 a month.
Finance7 min read
Mortgage Refinance Calculator: Is Switching Worth It?
Test a mortgage refinance with a break-even check: ₹90,000 of costs against ₹3,000 saved a month takes 30 months to recover, then compare total cost.
Finance7 min read
How to Calculate Net Profit Margin Step by Step
Net profit margin: deduct every cost including interest and tax from revenue, divide by revenue and read what the percentage means.
Finance7 min read
NPS Pension Calculator: Corpus to Monthly Pension
NPS pension calculator formulas for the corpus and the annuity, a ₹40 lakh example and a table of monthly pension at 5%, 6% and 7% payout rates.

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