Money Calculators
Quick browser-based calculators for shopping, pay, fixed costs, savings goals, and splitting shared expenses.
Start with these three
Start with one of the three most common money flows. Each card shows the purpose, the order to use the tools, and the kind of answer you can get quickly.
Use two calculators in sequence to work through one money goal from start to finish.
Best for: Anyone planning to cut costs or save for moving
Money check for living alone
Review fixed costs first, then estimate the savings pace you need for moving or setting up daily life.
Start with
Subscription Annual Cost CalculatorThen check
Savings Goal CalculatorSuggested flow
- 1List fixed costs and subscriptions in yearly terms
- 2Check how much you need to save each month for your goal
Common question
How much difference would saving 3,000 yen a month make in a year?
Common calculations
- How much could my monthly fixed costs be?
- How much should I save each month for moving costs in six months?
Best for: Students, part-time workers, and side-job earners
Income check for part-time work or side jobs
Turn shift income into a monthly estimate, then connect it to yearly income and work-planning decisions.
Start with
Hourly Wage CalculatorThen check
Monthly Salary / Annual Income ConverterSuggested flow
- 1Estimate monthly income from hourly pay and work days
- 2Convert that monthly amount into a yearly view
Common question
What would three workdays a week look like monthly and yearly?
Common calculations
- How much would I make working three days a week?
- What yearly income does 1,300 yen/hour roughly imply?
Best for: Shoppers deciding between sale options
Smart shopping check before you buy
Check sale prices first, then confirm the final tax-included payment before you decide.
Start with
Discount CalculatorThen check
Tax-Included / Tax-Excluded CalculatorSuggested flow
- 1Calculate the discounted price or effective savings
- 2Confirm the final tax-included amount you will pay
Common question
Which is better: 500 yen off or 10% off?
Common calculations
- How much is 20% off?
- Which is better: 500 yen off or 10% off?
Choose by problem
Start from the question you have right now and jump straight to the calculator that fits. Common calculation examples are included in each card.
Check sale prices or tax-inclusive prices
Estimate discounts, payment totals, tax-exclusive amounts, and tax before buying.
Start with
Common calculations
- How much is 20% off 3,000 yen?
- What percent off is 500 yen off?
- What will I actually pay with tax?
Next tool to try
Convert monthly pay, annual pay, and hourly wages
Convert monthly pay to annual pay, annual pay to monthly pay, or hourly wages to monthly income.
Start with
Common calculations
- What annual income matches 300,000 yen per month?
- What monthly pay matches 4.2 million yen per year?
- What monthly income does an hourly wage imply?
Next tool to try
Calculate shift income or part-time pay
Estimate daily or monthly pay with work hours, breaks, late-night premiums, and commuting costs.
Start with
Common calculations
- What monthly income does 1,200 yen/hour, 4 days/week produce?
- How much is one late-night shift worth?
- How much do several shifts add up to?
Next tool to try
View subscriptions and fixed costs by year
Convert monthly services to annual, monthly, or daily costs and organize cancellation candidates.
Start with
Common calculations
- How much is 980 yen per month per year?
- Which subscriptions should I review?
- How much will this cost over 5 years?
Next tool to try
Find the savings pace for a money goal
Calculate how much to save monthly, weekly, or daily before your target date.
Start with
Common calculations
- How much should I save monthly to reach 1,000,000 yen in a year?
- How much do I still need from my current savings?
- Can I include bonuses in the plan?
Split restaurant bills or trip costs
Calculate per-person payments and rounding adjustments from a total and number of people.
Start with
Common calculations
- How much is 12,000 yen split between 4 people?
- Can I round up to the nearest 100?
- Can the organizer absorb the difference?
Browse all tools
If you already know the calculation you need, open it directly from these grouped tool lists.
Shopping and sales
Check tax-inclusive prices, tax-exclusive prices, sale prices, and savings before you buy.
Income and pay
Estimate hourly wages, monthly income, and annual income quickly.
Fixed costs and savings
Review subscription costs and savings goals for everyday money planning.
Sharing and settling up
Split restaurant bills, trip costs, gifts, and other shared payments.
Notes
- Calculation results are estimates and may differ from actual taxes, wages, fees, or contract terms.
- For decisions involving investing, insurance, loans, or taxes, check official information or professional guidance.
- Tool inputs are generally processed in your browser.