Everyday & lifestyle

Compute weighted GPA across US, ECTS, IB, and more with honors rules. Fully client-side — no account, uploads, or remote storage.

Combine category scores and weights into a course average mid-semester. Fully client-side — no account, uploads, or remote storage.

Compute the exam score required to reach a target course grade given weights. Fully client-side — no account, uploads, or remote storage.

Convert between GPA and percentage ranges on a typical US 4.0 scale with pluses and minuses. Runs locally in your browser.

Convert between SAT and ACT using official concordance guidance with ranges explained. Fully client-side — no account, uploads, or remote storage.

Estimate total and daily study hours from topics, difficulty, and days left. Fully client-side — no account, uploads, or remote storage.

Calculate tip amount, grand total, and fair per-person shares with rounding options. Fully client-side — no account, uploads, or remote storage.

Suggest bedtimes or wake times aligned to ~90 minute sleep cycles. Fully client-side — no account, uploads, or remote storage.

Convert Earth age to planetary years using orbital periods for fun comparisons. Fully client-side — no account, uploads, or remote storage.

Calculate the true monthly and annual cost of owning a pet. Enter food, vet, grooming, insurance, and boarding costs to see your full pet budget — including a.

Calculate your monthly and yearly coffee spending. Compare café vs home brew costs and see how much your habit costs over 5–10 years.

Free World Cup 2026 group standings calculator. Enter wins, draws, losses, and goals to see points, goal difference, and who advances from the group.

Model World Cup 2026 matchday 3: your final score, the other group game, and see if you finish top two — with full standings and tiebreaker breakdown.

Rank all 12 World Cup 2026 third-place teams. See which eight qualify for the Round of 32 by points, goal difference, goals scored, and fair play.

Predict school snow day probability from region, snowfall, temperature, and road conditions. Fun estimate — always check your district for official closures.

Total paid hours from shifts with break rules and rounding. Fully client-side — no account, uploads, or remote storage. Runs locally in your browser.

Find out how much a meeting actually costs in salary and overhead. Enter attendees, duration, and average pay to see the true cost — and what it adds up to.

Calculate board feet from thickness, width, length, and board count. Includes waste allowance and cost estimate at your price per board foot.

Estimate trip fuel cost from distance, economy, and price per unit. Fully client-side — no account, uploads, or remote storage.

Estimate your Uber or Lyft fare before you book. Enter city, distance, ride type, and surge level for a fare range. Not affiliated with any rideshare platform.