Directory
All Calculators
Every tool on CalculatorFalcon, grouped by category. All of it runs instantly in your browser — no sign-up, no waiting.
Math & Science
Percentage Calculator
LiveFind X% of Y, reverse a percentage, or work out percentage change.
Average Calculator
LiveMean, median, min, max, and sum for any list of numbers.
Scientific Calculator
LiveFull-precision calculator for exponents, roots, trig, and logs.
Fraction Calculator
LiveAdd, subtract, multiply, divide, and simplify fractions.
Ratio Calculator
LiveSimplify a ratio or solve for a missing value in a proportion.
Standard Deviation Calculator
LiveMean, variance, and standard deviation from a data set.
Age Calculator
LiveExact age in years, months, and days from a birth date.
Date Calculator
LiveDays between two dates, or add and subtract days from a date.
CGPA to Percentage Calculator
LiveConvert CGPA to a percentage with an adjustable multiplier.
Health & Fitness
BMI Calculator
LiveBody mass index from height and weight, metric or imperial.
Water Intake Calculator
LiveSuggested daily water intake based on your weight and activity.
Pregnancy Due Date Calculator
LiveEstimated due date and current week of pregnancy from your last period.
Calorie Calculator
LiveDaily calorie needs (BMR and TDEE) based on your stats and activity level.
Finance
Loan Calculator
LiveMonthly payment and total interest on a fixed-rate loan.
Tip Calculator
LiveSplit a bill and work out the right tip, per person.
Discount Calculator
LiveFinal sale price and savings after a percentage discount.
SIP Calculator
LiveFuture value of a monthly SIP investment, with total invested vs. returns.
EMI Calculator
LiveMonthly EMI, total interest, and payment breakdown for any loan.
Home Loan EMI Calculator
LiveMortgage-style EMI calculator for home loans, with amortization breakdown.
Compound Interest Calculator
LiveFuture value of an investment with compound interest, any frequency.
GST Calculator
LiveAdd or remove GST from an amount, with the tax broken out.
FD Calculator
LiveFixed deposit maturity value with compound interest.
Income Tax Calculator
LiveEstimate income tax under India's new tax regime, FY 2025-26.