Health & Fitness
How to Calculate Macros: Protein, Carbs and Fat for Your Goal
Set protein in grams per kg first, then fat, then fill the rest with carbs. A worked example, ICMR protein guidance and protein in common Indian foods.
8 min read
Blog
Practical guides on money, documents, images, writing and code, and how to get a reliable answer from our free tools.
Tips & Guides
How Many Working Days in a Year? 2026 and 2027 for India
2026 and 2027 each have 261 Monday-to-Friday days and 313 Monday-to-Saturday days. After central government holidays: 246 in 2026 and 250 in 2027.
8 min read
Health & Fitness
How to Measure Body Fat Percentage at Home (US Navy Method)
Measure neck, waist (and hips for women) plus height; the US Navy formula turns them into body fat %. How to measure, a worked example, ranges and accuracy.
7 min read
Tips & Guides
What Is a Leap Year? The Rule, the Reason and the Next Ones
A leap year has 366 days. The rule: divisible by 4, except century years, which must be divisible by 400. 2026 is not one; the next is 2028.
7 min read
Data & Developers
camelCase vs snake_case: A Guide to Naming Conventions in Code
camelCase, snake_case, kebab-case, PascalCase and CONSTANT_CASE — what each is, where it's used, and a free converter.
2 min read
Data & Developers
How to Read a Cron Expression (the * * * * * Mystery, Solved)
What each field in a cron schedule means, common examples decoded, and a free tool that explains any expression in plain English.
1 min read
Tips & Guides
How to Split People into Random Teams Fairly (Even Sizes)
Divide the head count by the number of teams; leftovers make some teams one bigger (23 into 4 = 6, 6, 6, 5). How to shuffle fairly and balance skill.
7 min read
Tips & Guides
How to Pick a Random Giveaway Winner Fairly (and Prove It)
Clean the entry list, publish it, draw on a screen recording and pick backups. Plus Instagram's promotion rules, Indian law basics and coin-flip tools.
9 min read
Color & Design
Tints, Shades and Tones: How to Build a 50–900 Color Scale
A tint adds white, a shade adds black, a tone adds grey. Turn one colour into a 50–900 scale, see why HSL steps look uneven, and when to mix in OKLCH.
7 min read
Tips & Guides
Week Numbers Explained: What ISO Week 1 Really Means
Why your calendar week number sometimes surprises you, how ISO-8601 defines week 1, and how to find the week number for any date.
2 min read
Data & Developers
MD5 vs SHA-256 vs Bcrypt: Which Hash Should You Actually Use?
MD5 for checksums, SHA-256 for integrity, bcrypt for passwords — the three hashes developers confuse, what each is for, and when each is dangerous.
2 min read
Data & Developers
HEX, RGB and HSL Color Codes Explained (With Conversions)
#7C5CFF, rgb(124, 92, 255) and hsl(252, 100%, 68%) are one colour. Learn each format, convert by hand both ways, add transparency and pick the right one.
7 min read