MiniToolDesk
Zero Server Storage
Fast, accurate, ad-free calculators for finance, health, math, dates, education, and everyday planning — 100% client-side in your browser.
Calculate monthly home payments, PITI breakdown, and full amortization schedule.
Compute amortized loan payments, total interest, and payoff schedule.
Estimate monthly car payments with trade-in value, sales tax, and dealership fees.
Project investment growth with recurring contributions and compounding frequencies.
Convert hourly, daily, weekly, bi-weekly, monthly, and annual pay rates.
Check Body Mass Index (BMI), WHO classification, and healthy weight range.
Calculate BMR, TDEE maintenance calories, and weight goal targets.
Estimate body fat percentage using the US Navy circumference method + BMI.
Estimate pregnancy due date, current gestational week, and trimester timeline.
Full-featured scientific calculator with Deg/Rad, trig, logs, powers, and history.
Solve % of a number, % ratio, percentage change, and increase/decrease.
Add, subtract, multiply, and divide fractions & mixed numbers with step-by-step LCD.
Calculate mean, variance, population & sample standard deviation, and sum of squares.
Compute area and perimeter for rectangles, triangles, circles, trapezoids, and ellipses.
Find exact chronological age in years, months, days, hours, and next birthday countdown.
Count days & business days between dates or add/subtract days, weeks, months, years.
Add and subtract durations in days, hours, minutes, and seconds cleanly.
Calculate semester and cumulative Grade Point Average with weighted course credits.
Calculate tip amount, grand total, and equal or custom per-person bill splits.
Estimate total floor area, material waste allowance, and project cost across rooms.