Reverse Mortgage
Estimate how much you can borrow via a reverse mortgage based on your home value and age.
Wells Mortgage
Calculate monthly mortgage payments, amortization schedule, and total interest.
Commercial Mortgage
Compute commercial loan payments, balloon amounts, and LTV ratios for business properties.
Estate Tax Calculator
Estimate federal estate tax liability including exemptions and progressive rate schedule.
NSC Calculator
Calculate National Savings Certificate returns with year-by-year interest accrual breakdown.
Shriram FD Calculator
Calculate Fixed Deposit maturity, interest earned, with Cumulative & Non-Cumulative options.
CPM Calculator
Calculate Cost Per Mille (CPM), total ad campaign cost, or total impressions.
No Vig Calculator
Remove the bookmaker's vigorish from betting odds to find the true implied probabilities.
PTO Calculator
Calculate accrued paid time off, remaining balance, and projected PTO by any date.
Reverse BMI
Enter your height and target BMI to instantly find the ideal weight you need to achieve.
Blood Alcohol
Estimate your BAC level using the Widmark formula based on drinks, weight, and time.
ETG Calculator
Estimate when ethyl glucuronide (ETG) drops below detection threshold after alcohol use.
Period Calculator
Predict upcoming menstrual periods, ovulation window, and fertile days.
Asphalt Calculator
Calculate the weight, volume and cost of asphalt needed for a driveway or road surface.
Bitumen Calculator
Estimate bitumen (tar) quantity required for road surfacing based on area and rate.
Home Construction
Estimate house building costs by area, construction quality, and regional price factor.
AWS Cost Tool
Estimate your monthly Amazon Web Services bill for EC2, S3, RDS, and data transfer.
CGPA Calculator
Compute your Cumulative Grade Point Average from subject grades and credit hours.
Percentage to CGPA
Convert your percentage score to CGPA (10-point or 4-point scale) and vice versa.
Attendance Tool
Check your attendance %, find classes needed to reach a target, or how many you can skip.
Hours to Decimal
Convert hours and minutes to decimal hours, or decimal hours back to HH:MM format.
Audio Book Tool
Calculate audiobook listening duration from word count or pages at any playback speed.
NEB Tm Calculator
Calculate DNA primer melting temperature (Tm) using the nearest-neighbor or Wallace rule.
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