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
Hours to Minutes: Convert Decimal Hours Correctly
Multiply hours by 60 to get minutes. See why 6.4 hours is 6 h 24 min, a decimal-hours chart and a timesheet worked out from start to finish.
Finance6 min read
How to Calculate Fixed Deposit Interest: Formula
How to calculate fixed deposit interest with the simple and compound formulas, a ₹50,000 worked example and a chart of compounding frequencies.
Math6 min read
How to Calculate Percentage Change, Step by Step
Calculate percentage change with (new − old) ÷ old × 100. See a 15% rise and a 20% fall worked out, why points differ from percent, and what to do at zero.
Finance7 min read
How to Calculate SIP Returns: Formula and Table
How to calculate SIP returns with the future-value formula: a ₹5,000-a-month example and tables showing how years and assumed rates change the result.
Health6 min read
Ideal Body Weight: Formula and Chart by Height
Find your ideal body weight with the Devine formula and the BMI range method. See a worked example and a chart for heights from 150 to 185 cm.
Conversions6 min read
Inches to Cm Conversion for Screens and Tailoring
Multiply inches by 2.54 to get centimetres. Includes fractions, a TV and monitor size chart, and a trouser-waist table to check the fit.

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