Quick Work Studio
Blog
Guides and background reading behind some of our tools.
Calculators
How Much Electricity Do Your AC, Geyser and Fans Really Use?
Turn the watts on an appliance label into units and rupees, see which appliances actually drive your bill, and find the easy savings.
Calculators
Which Pack Is Really Cheaper? How to Compare Unit Prices
Bigger packs aren't always better value. A simple way to compare price per kg, per litre or per piece, plus the shopping traps to watch for.
Calculators
How to Calculate Your Exact Age "As On" a Date for Exam Forms
Recruitment notices ask for your age as on a cut-off date. Here's how to count it correctly in years, months and days, and the cases that trip people up.
Text Tools
How Many Words Is That? Word and Character Limits Explained
How many words fit on a page, how long a speech takes, and the character limits for posts, meta descriptions and SMS, with tips for cutting to fit.
Calculators
SIP vs Lumpsum: Which Builds More Wealth?
How monthly SIPs and one-time lumpsum investing really compare, when each one wins, and why most people should not agonise over the choice.
Calculators
Understanding Your Salary: CTC, Gross and In-Hand
Why your offer letter number is bigger than what lands in your account, what CTC really includes, and how to compare job offers fairly.
Calculators
Margin vs Markup: How to Price Without Losing Money
The pricing mistake that quietly kills small-business profit, the two formulas that fix it, and how to price to a target margin.
Calculators
Compound Interest on a Fixed Deposit: Why Quarterly Compounding Earns More
How banks really calculate FD interest, why the same 7% rate pays different amounts, and a quick rule to estimate when your money doubles.
Calculators
Percentage vs Percentage Points (and Other Percentage Traps)
Why a fall of 50% needs a rise of 100% to recover, why 20% + 10% off isn't 30% off, and how to read percentage claims correctly.
Calculators
BMI for Indian Adults: Why the Healthy Range Is Lower
How BMI is calculated, the standard WHO ranges, why Indian guidelines use lower cut-offs, and what BMI can't tell you.
Calculators
How to Calculate the Fuel Cost of a Road Trip (and Split It Fairly)
A simple formula for trip fuel cost, cost per kilometre, what changes your real mileage, and how to split the bill among friends.
Productivity
What Is a Good Typing Speed? WPM, Accuracy and Exam Requirements
How words per minute is measured, gross vs net WPM, typical speeds, the speeds Indian government typing tests ask for, and how to improve.
Text Tools
JSON for Beginners: The Rules and the 6 Most Common Errors
What JSON is, its handful of strict syntax rules, and the mistakes, trailing commas, single quotes, comments, that make it invalid.
Calculators
How to Calculate GST: Adding It, Removing It, and Splitting CGST and SGST
The two GST calculations everyone needs, adding tax to a price and finding the tax inside a price, plus the most common mistake and how CGST, SGST and IGST work.
Text Tools
How to Write an Amount in Words on a Cheque (Indian Format)
Lakh and crore wording, the "Rupees … Only" format, writing paise, and the small habits that stop anyone tampering with your cheque.
Image Tools
How to Reduce Photo Size in KB for Online Forms (Without Losing Quality)
A step-by-step method for meeting the pixel size and KB limits that job, exam and government application forms ask for, and the mistakes that get photos rejected.
Calculators
How Your Loan EMI Is Calculated, and Two Ways to Pay Far Less Interest
What really happens inside each EMI, why a 20-year loan can cost more than double what you borrowed, and how prepayments and a slightly higher EMI save lakhs.
Converters
Mbps vs MB/s: Why Your Downloads Look Slower Than Your Internet Plan
Your 100 Mbps plan really downloads at about 12.5 MB/s, here is why, plus the real reasons Wi-Fi feels slow and how to test your speed properly.
Converters
Metric vs Imperial: Why the US Still Uses Different Units
A look at why two measurement systems still coexist, and the real cost of getting a conversion wrong.
Generators
How Secure Is Your Password, Really? A Plain-English Guide
What actually makes a password strong, why reuse is the real danger, and how random generation helps.
Productivity
The Pomodoro Technique: How a Tomato Timer Became a Productivity Method
The surprising origin story behind the 25/5 focus method, and why the structure actually works.
Text Tools
Base64, Explained: Why Your Browser Sometimes Shows Weird Text
What Base64 actually does, why it is not encryption, and where you run into it every day.
Text Tools
A Quick History of Roman Numerals (and Why We Still Use Them)
How a 2,000-year-old number system with no zero still shows up on clocks and movie sequels.