⭐

Fave Wiz 🧙

Your favorite free tools,
all in one place.

A growing collection of fast, focused calculators. No signups, no nonsense — pick a tool and get your answer.

Our Tools

Calculate someone's exact age from their graduation year or birthdate.

Solve any percentage problem — find a percent, calculate change, or find the original value.

See how your money grows over time with compound interest.

Calculate CPM, budget, or impressions for any ad campaign — for advertisers and publishers.

Find your Social Security full retirement age and see how your benefit changes if you claim early or late.

Calculate your Body Mass Index instantly and see where you fall on the healthy weight scale.

Compare your local time to any city in the world instantly. Search 200+ cities with live updating clocks.

Life Insure Wiz

Find out how much life insurance you need. Enter your income, debts, and family details for a personalized coverage recommendation.

Compare wheel setups and convert between offset and backspacing. See if your new wheels will poke or tuck.

Find out how much protein you need per day. Enter your weight, goal, and activity level for a daily target with a per-meal breakdown.

Calculate how much gravel you need in cubic yards and tons. Enter your project dimensions and gravel type for instant quantities and cost.

Find your maintenance calories and the exact daily target for your calorie deficit — plus how fast you'll lose weight.

🧙

About the Wiz Network

Each Wiz site is built around a single tool — no cluttered dashboards, no feature bloat. Just one thing done really well. Every calculator is free, requires no account, and runs entirely in your browser.