All Calculators
Every calculator on Calcumatix, in one place. Search by name, filter by category, or browse the full A to Z list below.
Popular Calculators
BMR Calculator
Estimate basal metabolic rate from age, sex, height, and weight, with metric or imperial inputs and a visible Mifflin-St Jeor example.
Open the CalculatorPercentage Calculator
Find a percent of a number, compare part to whole, or measure percent change with the formula, steps, and a worked example shown.
Open the CalculatorLoan Calculator
Check a fixed loan payment, total paid, and interest cost from the loan amount, rate, and term.
Open the CalculatorAge Calculator
Find exact age in years, months, and days from a birth date, with total days lived and a target date option for past or future checks.
Open the CalculatorBMI Calculator
Calculate Body Mass Index from height and weight, and see your World Health Organization weight category.
Open the CalculatorDate Duration Calculator
Find the time between two dates in years, months, days, total days, and weeks, with leap-year handling and a worked example.
Open the CalculatorAverage Calculator
Find mean, median, and range from a list of numbers so students, teachers, and data readers can check center, middle, and spread.
Open the CalculatorFraction Calculator
Add, subtract, multiply, or divide two fractions and see the reduced answer, decimal form, and working steps.
Open the CalculatorCompound Interest Calculator
Project compound interest growth from a starting amount, rate, time, compounding frequency, and optional regular contributions.
Open the CalculatorMath
Category Hub →Percentage Calculator
Find a percent of a number, compare part to whole, or measure percent change with the formula, steps, and a worked example shown.
Open the CalculatorFraction Calculator
Add, subtract, multiply, or divide two fractions and see the reduced answer, decimal form, and working steps.
Open the CalculatorAverage Calculator
Find mean, median, and range from a list of numbers so students, teachers, and data readers can check center, middle, and spread.
Open the CalculatorPercentage of Goal Calculator
Find the percent of a goal reached so far by entering a current value and a target value in the same unit.
Open the CalculatorAttendance Percentage Calculator
Find attendance rate from sessions attended and total sessions, for class records, work shifts, meetings, or training logs.
Open the CalculatorVote Percentage Calculator
Find the vote share for one option from votes received and total valid votes, for polls, contests, clubs, or surveys.
Open the CalculatorHealth & Fitness
Category Hub →BMI Calculator
Calculate Body Mass Index from height and weight, and see your World Health Organization weight category.
Open the CalculatorBMR Calculator
Estimate basal metabolic rate from age, sex, height, and weight, with metric or imperial inputs and a visible Mifflin-St Jeor example.
Open the CalculatorTDEE Calculator
Estimate total daily energy expenditure from BMR and activity level, with metric or imperial inputs, formula steps, and a worked example.
Open the CalculatorFinance
Category Hub →Loan Calculator
Check a fixed loan payment, total paid, and interest cost from the loan amount, rate, and term.
Open the CalculatorCompound Interest Calculator
Project compound interest growth from a starting amount, rate, time, compounding frequency, and optional regular contributions.
Open the CalculatorLabor Percentage Calculator
Find what share of sales goes to labor cost or labour cost, using staff cost and total sales from the same period.
Open the CalculatorFood Cost Percentage Calculator
Find the food cost percentage for a restaurant, menu group, or sales period from food cost and food sales.
Open the CalculatorOwnership Percentage Calculator
Find raw ownership percentage from owned units and total units for shares, member units, co-op units, or partner units.
Open the CalculatorPercentage Rent Increase Calculator
Find the percent change from old rent to new rent before you review a lease renewal or rent notice.
Open the CalculatorBPS to Percentage Calculator
Convert basis points to percentage points, or convert percentage points back to basis points for rates and spreads.
Open the CalculatorYear Over Year Percentage Calculator
Find year over year percent change for sales, cost, orders, traffic, or any metric with a prior and current value.
Open the CalculatorTime & Date
Category Hub →Age Calculator
Find exact age in years, months, and days from a birth date, with total days lived and a target date option for past or future checks.
Open the CalculatorDate Duration Calculator
Find the time between two dates in years, months, days, total days, and weeks, with leap-year handling and a worked example.
Open the CalculatorAudiobook Percentage Calculator
Find audio progress from elapsed time and total time, using hours and minutes in the same time format.
Open the CalculatorSports
Category Hub →Shooting Percentage Calculator
This shooting percentage calculator finds basketball shot success from makes and attempts, including FG% and field goal percentage.
Open the CalculatorHockey Goalie Save Percentage Calculator
This hockey goalie save percentage calculator finds SV% from saves and shots faced, using the decimal style seen in hockey box scores.
Open the CalculatorVolleyball Hitting Percentage Calculator
This volleyball hitting percentage calculator finds attack efficiency from kills, errors, and total attacks, including negative results.
Open the CalculatorScience
Category Hub →Percentage by Weight Calculator
Find weight by weight percent from a part mass and total mass for chemistry class, lab notes, or weighed solution records.
Open the CalculatorPercentage of Volume Calculator
Find v/v% from a part volume and final volume for liquid mixes, gas mixes, lab notes, and class problems.
Open the CalculatorDilution Calculator
Plan a lab mix with C1V1 = C2V2 from stock strength, stock volume, target strength, and final volume.
Open the CalculatorAll Calculators A to Z
- Age Calculator
- Attendance Percentage Calculator
- Audiobook Percentage Calculator
- Average Calculator
- BMI Calculator
- BMR Calculator
- BPS to Percentage Calculator
- Compound Interest Calculator
- Date Duration Calculator
- Dilution Calculator
- Food Cost Percentage Calculator
- Fraction Calculator
- Hockey Goalie Save Percentage Calculator
- Labor Percentage Calculator
- Loan Calculator
- Ownership Percentage Calculator
- Percentage by Weight Calculator
- Percentage Calculator
- Percentage of Goal Calculator
- Percentage of Volume Calculator
- Percentage Rent Increase Calculator
- Shooting Percentage Calculator
- TDEE Calculator
- Volleyball Hitting Percentage Calculator
- Vote Percentage Calculator
- Year Over Year Percentage Calculator