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Calculators
Age, BMI, loan, mortgage and everyday calculators.
Age Calculator
Your exact age in years, months and days — plus days lived and next birthday.
BMI Calculator
Body Mass Index with WHO weight categories — metric or imperial.
Mortgage Calculator
Monthly payment, total interest and payoff date for any home loan.
Loan EMI Calculator
EMI, total interest and total payable for car, personal and home loans.
Compound Interest Calculator
See what your money becomes — compound growth at any frequency.
Fraction Calculator
Add, subtract, multiply and divide fractions — mixed numbers welcome.
Fraction, Decimal & Percent Converter
Any one form in — all three forms out, fractions properly simplified.
Body Fat Calculator
US Navy tape-measure method — body fat % from a few measurements.
Weight Loss Calculator
A realistic weekly plan — weight to lose, daily deficit, target date.
Decimal Calculator
Exact decimal arithmetic — no 0.30000000000000004 surprises.
Calorie Calculator
Daily calorie needs from the Mifflin-St Jeor equation.
Recurring Deposit Calculator
RD maturity value with quarterly compounding, the bank way.
Percentage Calculator
X% of Y, X as a % of Y, and percent change — three tools in one.
Variance & Statistics Calculator
Mean, median, mode, variance and standard deviation in one paste.
Ratio Calculator
Simplify ratios and solve for the missing part.
Budget Calculator (50/30/20)
Split your take-home pay into needs, wants and savings.
Prime Number Calculator
Is it prime? Prime factors and full prime lists up to a million.
Target Heart Rate Calculator
Karvonen training zones from your age and resting heart rate.
Savings Calculator
What monthly savings become — future value with compound growth.
Date Calculator
Add or subtract days from any date, and find the days between two dates.
Corrected Calcium Calculator
Correct total calcium for low albumin — the standard bedside formula.
A1C to Average Glucose Calculator
Convert HbA1c % into estimated average glucose (eAG) — mg/dL and mmol/L.