New Calculators

Calculate net pay for public sector teachers (TV-L). Includes exact VBL deductions, social security, and Christmas bonus for E11-E13 pay grades.

Calculate instructional days, class meeting days, and contact hours for any academic semester.

Calculate the true financial cost of employee turnover and disengagement. Discover the precise ROI of purpose-driven alignment with our profit impact tool.

Use our planet visibility calculator to find out which planets are visible tonight. Get exact altitude, direction, and moon glare data for your location.

Calculate exactly how long until you turn 18. Enter your birth date for a precise countdown in days, hours, and weeks.

Calculate a future or past date by adding or subtracting business days. Skips weekends and public holidays automatically.

Count working days between dates or add business days to a start date with U.S. and German holiday calendar options.

Calculate pay period end dates and FLSA-compliant pay dates with automatic Federal Reserve holiday adjustment for weekly, bi-weekly, semi-monthly, and monthly payroll schedules.

Calculate exactly when your next direct deposit clears with Federal Reserve holiday adjustments and early-deposit offsets.

Calculate when to stop exploring and start committing with the 37% optimal stopping rule.

Calculate your remaining weeks of life based on the 4,000 Weeks philosophy and actuarial data.

Calculate the exact number of days between two dates with standard, inclusive, and business day modes.

Calculate total days, working days, and weekend days for any year. Includes leap year detection.

Calculate weekend days, full weekends, and working days for any month and year.

Calculate days remaining until a target date, with weeks, months, and hours breakdown.

Free AP Biology score calculator with 2025 score distribution. Predict your 1-5 AP exam score from MC and FRQ results instantly.

Estimate Steam game revenue from review count using the Boxleiter method.

Free AP Calculus AB score calculator. Predict your exam score (1-5) from multiple choice and free response performance. Cut scores are calibrated for AP Calculus AB (BC uses different thresholds).

Calculate trading fees based on your Broker Relations and Accounting skill levels.

Calculate the minimum Strength stat required to wield any weapon effectively in Kenshi. Avoid the Combat Speed penalty by knowing exactly how much Strength you need.

Calculate your XP gain multiplier and estimate actions needed to level up in Project Zomboid. Optimize your skill training with Fast Learner and skill books.

Calculate the standard error of the mean from standard deviation and sample size. Supports bidirectional solving.

Interactive Stardew Valley crop profit chart - find the best crops for maximum gold per day with fertilizer and processing options.

Convert sensitivity settings between Counter-Strike 2 and Valorant for perfect muscle memory transfer.

Calculate how many days in a month. See the length of each month, the average days per month, and convert between days, months, and weeks.

Free dimes to dollars calculator. Convert 10 dimes, 100 dimes, or any amount to dollars instantly.

Convert weeks to hours or hours to weeks instantly.

Calculate precise portal coordinates between the Overworld and Nether dimensions. Link portals correctly for fast travel via Nether Highways.

Calculate net profit from World of Warcraft Auction House sales, accounting for the 5% AH cut and deposit fees.

Convert months into nanoseconds, seconds, minutes, days, weeks, and years using the mean Gregorian month.

Convert months to minutes using the average month length.

Check your Body Mass Index for insights into your health.

Calculate your overthinking level and second date probability based on post-date anxiety indicators