Popular Calculators Ranking

We calculate your BMI, which indicates your level of obesity based on your height and weight, as well as your ideal weight.

Calculates the number of days, weeks, and years between two dates. You can calculate how many days have passed since birth.

Generates random integers from the specified range.

Calculates the elapsed time from the start time to the end time.

Calculate part-time wages—including working hours, payroll calculation hours, and daily wages—based on the start and end times of the shift.

Calculate a new date by adding a number of days to the current date. If you enter a negative number of days, the result will be the current date minus that number of days. Example: What is the date X days from today?

We will run simulations for three scenarios—5%, 8%, and 10% consumption tax—applied to amounts excluding or including tax. (Tax-inclusive and tax-exclusive calculations)

Calculates a time that is a certain amount of time after (or before) a specified time.

We check for childhood obesity based on height and weight.

Calculate the monthly withholding tax amount for salary income for the 2026 tax year.

Calculate your age today/at that time using both calendar age and traditional Japanese age.

This tool calculates and displays a graph of the total principal and interest, as well as the interest alone, for a fixed-amount savings plan. Taxes are applied after each compound interest calculation.

Skill Multiplier Calculator

Calculate the withholding tax (income tax and special income tax for reconstruction) and the total interest amount based on the interest earned on deposits. (Effective January 1, Heisei 28 onward)

This tool estimates your body fat percentage based on your height, weight, gender, and age. It is intended for people 18 years of age and older. Accurate results cannot be obtained for high school students and younger. Since the estimation formula is based on an average body type, it may not apply to people who do not fit this average. (e.g., those who are extremely overweight, extremely underweight, athletes, or those who have been doing proper strength training for a long time) Additionally, if your measurements deviate significantly from the average, the result may be a negative value.

Using the equal principal and interest or equal principal repayment methods, calculate a table showing the repayment amount and outstanding balance for each payment based on the loan amount.

Based on overall power, effective stats, and event bonuses, you can calculate the estimated points you can earn from a single round of "Ebi" in a multiplayer room, as well as the points you can earn in My World. Use this tool when you're unsure about your event team composition or when estimating your runner's speed.

We calculate your child's genetic growth target (Target Height) based on your parents' heights.

Calculate your Total Daily Energy Expenditure (TDEE).

Calculate the employment insurance premiums (employee and employer contributions) based on the total amount of wages and bonuses paid. (October 1, 2022 – March 31, 2027)

We will calculate the quotient and remainder of a division problem.

The annual, monthly, and daily Nine Stars for the specified date will be calculated, and the corresponding Nine Star charts will be displayed.

This tool calculates and displays a graph of the total principal and interest at each interest payment date, using compound interest.

Calculate a baseball batting average.

This tool calculates and displays a graph of the total principal and interest, as well as the interest alone, for a fixed-amount savings plan. Taxes are levied in a lump sum at maturity.

Calculates the number of business days between two dates, excluding holidays. Supports major banks, government agencies, and other organizations from 2020 onward.

Calculate the ERA in baseball.

Factors the specified integer into its prime factors.

This graph displays your biorhythms (physical, emotional, and intellectual) for approximately one month starting from the reference date.

This calculates the number of days remaining from today until the selected date.

We will calculate your basal metabolic rate (BMR), which is the amount of energy required to sustain life.

Calculates the number of days before the selected date. Example: What is the date X days before today?

We calculate the heat index based on temperature and humidity.

This calculates the depreciation expense applicable to depreciable assets acquired on or after April 1, 2012.

Let's calculate which of two products—with the same contents but different sizes and prices—offers better value per unit.

Calculates the values of the other elements based on the two selected input values for a right triangle.

Calculates the calendar notes (lunar calendar, Rokuyō,干支, Nine Stars, Twelve Directs, Twenty-Eight Mansions, and Twenty-Seven Mansions) for the current calendar date.

Calculates the lunar calendar based on the current month and year.

Test

Calculate the OPS (on-base plus slugging) in baseball.

Calculate a table showing the outstanding balance and the amount of each repayment—including prepayments—for a loan using either the equal principal and interest or equal principal repayment method.

Calculate the fixed overtime pay when "Total compensation = Wages for scheduled working hours + Fixed overtime pay"

Converts UNIX time to a date.

Calculate the winning percentage in baseball.

Calculate the angle of inclination and the hypotenuse of a right triangle using its base and height.

Calculate the duration of maternity and parental leave.

Calculates the Nine Stars of the Year and Month (Year-Month Nine Stars) and the Nine Stars of the Hour (Hourly Nine Stars) based on the current date and time.

We calculate health insurance premiums, long-term care insurance premiums, child and childcare contributions, and child and childcare support payments, as well as the employee’s share of these costs, based on salary and bonus amounts. (Fiscal Years 2022, 2023, 2024, 2025, and 2026)

Modified Version of "soo_ Microwave Cooking Time Conversion (Approximate)"

Calculate the calories burned while walking.

Stock calculation. This is the bar stock reference number.

Calculate the cash on hand when closing the register.

Calculate the tax included in the price.

We calculate the FFMI (Fat-Free Mass Index), also known as the "muscle mass index."

We will calculate the income tax and local taxes on your severance pay.

Calculates the Chinese zodiac calendar (day, month, and year) based on the current month and year.

Calculates withholding tax statements for salaried employees. Applies to the Reiwa 7 tax year and beyond.

We predict your child’s final height based on their environment and your height.

This function calculates a new date by adding the number of business days to the given date. It supports major banks, government agencies, and other organizations.

Calculate the drip rate for the IV.

Calculate a table showing the monthly and bonus-time repayment amounts and the outstanding balance for a loan using the equal principal and interest or equal principal repayment methods.

This tool calculates the amount of employment insurance benefits (unemployment benefits) and the number of benefit days. (Effective August 1, Reiwa 8: Change to the daily basic benefit amount under the Employment Insurance Act)

Calculates the number of days and hours elapsed between the start date and time and the end date and time.

Convert the amount of data.

Calculates the date and time that is a certain number of days and hours after (or before) the start date and time.

Perform addition and subtraction of fractions.

Calculate the monthly withholding tax amounts for salary income for the years 2020, 2021, 2022, 2023, 2024, and 2025.

This calculates the refund amount for the specified train pass.

Calculate the Employees' Pension Insurance premiums and the employee's share of those premiums based on the amount of salary and bonuses.

We calculate your ideal weight and beauty weight based on your height.

This tool estimates the amount of income from employment that is eligible for welfare benefits. *Please note that exact amounts may vary by municipality and fiscal year, so these figures are approximate.

We calculate overtime pay for work performed outside regular hours, on holidays, and at night.

Please list the dates of the major celebrations since the child was born.

Calculate the total dividends and withholding tax (income tax and Special Income Tax for Reconstruction) based on the dividend payment amount. (January 1, 2014 – December 31, 2007)

Calculates the calories burned through physical activity and exercise.

Calculate the withholding tax when paying royalties, speaking fees, and other similar payments.

Calculate the calories burned while running.

Converts a date to UNIX time.

Calculate the sodium content based on the salt equivalent listed in the nutritional information on the ingredient label.

Calculates the lunar calendar and astrological notes (Chinese zodiac, Nine Stars, Twelve Directs, and Twenty-eight/Twenty-seven Lunar Mansions) based on the current month and year.

We calculate the ratio based on the base quantity and the comparison quantity.

Based on the distance and target time, I will create a pace chart.

Calculate the calories burned while cycling.

Plot branch sales using a line graph.

Compare your child's height and weight to the national average. You can check data for ages 1 to 18.

Puzzle & Dragons: Calculator for Effective HP Based on Leader Skill HP Multipliers and Damage Reduction Rates

We will calculate the area of a triangle using Heron's formula based on its three sides.

We will calculate the power.

We calculate retirement benefits for local government employees.

Calculation of Lean Body Mass

Calculates the Nine Star Calendar (Daily, Monthly, and Annual Nine Stars) based on the current month and year.

Find the probability density function, the lower cumulative distribution function, and the upper cumulative distribution function of the binomial distribution.

We will simplify fractions. We will also display the greatest common divisor. (Mixed fractions are allowed.)

We will calculate the Basic Allowance for Continued Employment of Older Workers, which is paid to individuals under the age of 65 who continue working after retirement if their wages fall below 75% of their wages at age 60.

Converts the specified area unit to another unit system.<br>(square meters m^² ⇔ square millimeters mm^², square meters m² ⇔ hectares ha, etc.)

Calculate the total payment amount and the withholding tax by working backward from the net amount after withholding.

Calculate the hypotenuse and height of a right triangle using its base and the angle of inclination.

Find the greatest common divisor (G.C.D.) and the least common multiple (L.C.M.) of two or more numbers.

We will calculate the withholding tax amount for bonuses for the Reiwa 8 fiscal year.