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We built Monwey to help people take control of their money with clarity and confidence.

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Create a free account to link categories, budgets, and goals with real numbers, so SEO research becomes weekly progress.

Turn reading into habits on Monwey

Intent-based filters

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Articles

Personal finance blog | Monwey

Fine-tune your monthly plan and validate budgeting decisions with data.

Budget calculator

Project how money grows with recurring contributions and compounded returns.

Compound interest calculator

Model savings scenarios and turn goals into concrete numbers.

Savings calculator

Tools

Most useful articles

Set the percentage of your income for each expense group and savings. Percentages must sum to 100%.

Drag the dividers between sections to adjust your allocation. Total is always 100%.

Allocation targets

This month's status

Set your allocation targets and see how your current month compares.

Budget

Averages

Cashflow Over Time

Summary by Period

Cashflow

Charts

Compound interest with index funds, ETFs, stocks, and other assets

Important information

Frequently asked questions

Compound interest formula

Enter what you have today, a contribution you can sustain, and a prudent rate. The year-by-year table and chart show how much comes from deposits versus compound growth.

1) How much will I accumulate over a given period?

Adjust the duration until the final balance approaches your target (home, emergency fund, retirement). Compare a few return assumptions to see a plausible range of timelines.

2) How many years might it take to reach a goal?

Keep the timeline and rate fixed, then try different periodic deposit amounts until the final balance matches what you want to accumulate.

3) What monthly contribution would move me toward my goal?

With starting balance, contributions, and timeline fixed, raise or lower the rate until the result matches your goal. This calibrates expectations, it does not promise a market return.

4) What annual return would be needed (approximately)?

Four ways to use this compound interest calculator

How this compound interest calculator works

Why time strengthens compound interest

The snowball effect of compound interest

Best practices

Where can compound interest be applied?

Set your simulation

Year-by-year breakdown

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Bring categories, budgets, and goals into one workspace: manual entries you control, clear monthly reports, and no bank connection required to start.

Move from reading to results with Monwey

Log contributions, follow goals, and keep investing context next to your day-to-day budget in Monwey.

Track what you invest, not just what you read

Use Monwey to track what you save, build habits with categories, and see progress every month.

Turn this guide into real savings

Reorder and choose which widgets are visible on your dashboard.

Customize dashboard

Expenses comparison

Cash, housing & investments

Compound interest & savings growth calculator

Mortgage affordability & payment estimator

Retirement planner & withdrawal illustration

Free calculators: compound interest, retirement, mortgage affordability. Guides on saving and investing. Track spending and goals in Monwey.

Free Monwey financial calculators for saving, investing, and housing affordability, with related personal finance guides and a path to track your money in the app.

Free financial calculators: save, invest & home | Monwey

Financial calculators by Monwey

Each row records an allocation toward this goal. Your cash stays in the source account unless you move it separately.

Record how much you've set aside for this goal. The money stays in your account, this just tracks your progress.

Update the virtual allocation amount and its source account. Linked ledger lines remain unchanged.

Goals

Free tools to project compound growth, estimate an affordable mortgage in Spain, and model retirement savings.

Model periodic deposits, see year-by-year growth, and explore long-term savings scenarios.

Estimate a sustainable monthly payment and indicative home price from your net income and existing debts.

Mortgage affordability (Spain)

Project your portfolio at retirement from your age, savings, monthly contributions, and expected return.

Retirement planner

Monwey brings expenses, budgets, goals, and insights into one calm dashboard. Log transactions in seconds: privacy-first by design, with nothing synced from your bank unless you choose it. See where your cash really goes and keep a habit you can sustain, not another abandoned spreadsheet.

Know where your money goes each month. Budgets and goals in one place.

Sign up and add income, expenses, and transfers in seconds, manually, with categories that match how you think about spending.

Capture your money

Define what “enough” looks like for each part of your life, then connect goals so your day-to-day choices line up with what matters.

Set budgets and goals

Use the dashboard and reports to spot drift early, rebalance categories, and walk into next month with a plan, not a guess.

Review and adjust weekly

Sound familiar?

What Monwey changes

Set limits that match real life; compare plan vs reality mid-month and adjust before the month is gone.

Budgeting

Log fast, categorize with intent, fix mistakes with edits. See fixed vs variable at a glance.

Expense tracking

Emergency fund, trip, debt: track contributions and milestones you can measure.

Financial goals

Trends and summaries that answer “what changed?”. Decide with context, not anxiety.

Insights & reports

SEO guides, articles, and calculators are here if you want deeper context. Monwey stays the main product story above.

Ideas, frameworks, and updates to help you act on your money, not just read about it.

Blog

Compound growth, mortgage affordability, retirement projections: free tools, no signup.

Calculators

Step-by-step personal finance guides: budgets, saving, goals, and investing basics.

Guides

Your session uses HTTPS (TLS). Data is stored using industry-standard safeguards on our infrastructure.

Protected access

We do not connect to your bank or ask for credentials to pull transactions. What you track is what you enter.

No bank passwords

We do not sell your financial data for ads. You decide what to track, how to organize it, and when to review it.

You stay in charge

You stay off the bank-connection treadmill. Your numbers are the ones you choose to track.

No credential sharing

Try the full workflow free first. Add payment only when Monwey already fits your routine.

Trial without pressure

Shared finances with separate logins: same data, less tension, clearer planning conversations.

Spaces for couples

Privacy Policy

Terms of Service

You retain ownership of your data. By using the service, you grant us a license to store, process, and display your data to provide the service.

Your merchants

Banks, brokers, and other institutions where you hold accounts.

Merchants

Important notice

What affects the mortgage a lender will offer?

How it works (summary)

Indicative ITP (resale) by autonomous community

How much do you need to save to buy a home in Spain?

Use the salary that actually lands in your account after tax and social contributions. Add car loans, personal loans, or other fixed monthly instalments that are not the future mortgage, they reduce the room left for a new mortgage payment.

Enter your net income and other monthly debt payments

Lower rates or longer terms reduce the monthly payment for a given loan amount, which increases the maximum loan your payment can support. New builds use VAT in our model; resale uses approximate ITP for the autonomous community linked to your province.

Set the interest rate, term, property type, and province

You will see an indicative maximum loan, total interest over the term, savings needed (down payment plus estimated taxes and fees), and a line-by-line estimate of purchase costs. Treat every figure as educational, not an offer from a bank.

Click calculate and read the loan and cost breakdown

How to use this mortgage affordability calculator

Before you sign a mortgage

Your inputs

Purchase costs and taxes

Loan summary

For new builds, VAT of {percent}% often applies to the home (general case; exceptions may apply).

Approximate transfer tax (ITP) in your region for resale: around {percent}% of the purchase price (varies by case and rules).

Complete these steps to make the most of Monwey

Getting Started

Pricing and plans for our personal finance platform. 7-day no-card trial on signup. Get {days} more days free when you subscribe. Unlock couple finance and more.

Pricing & Plans

Add an investment account (e.g. Brokerage) in Accounts to track contributions and withdrawals here.

No investment accounts

Reports

Monwey personal finance app

Try these free financial calculators

Fixed expenses are regular costs that stay roughly the same each month: rent, mortgage, insurance, subscriptions, loan payments. These are predictable and easier to plan for.

Fixed expenses

Budget basics: fixed vs variable expenses

Variable expenses change month to month: groceries, dining out, entertainment, fuel, shopping. Tracking these helps you spot patterns and cut back where it makes sense.

Variable expenses

Monthly budget example using a template

How to use a budget template in Excel

What a budget template should include

Monthly budget template: a simple structure to organize spending

How to build an emergency fund step by step

How much money to keep

Learn how much money to keep in an emergency fund and how to build it step by step without derailing your other goals.

Emergency fund: how much to keep and how to build it

What an emergency fund is

When to use it (and when not to)

Estimate the monthly contribution needed based on target amount, timeline, and expected growth.

How much to save each month for a goal

Estimate the number of months or years needed with your current savings and recurring contributions.

How long it will take to reach your goal

Calculators to take action

Move from intention to plan: create your goal, set your monthly contribution, and track progress with clarity.

Set and track your financial goals with Monwey

Debt payoff goals are financial goals with a defined balance and due strategy: avalanche (high interest first), snowball (smallest balance first for momentum), or hybrid. The SMART layer is honest minimums, realistic extra payments, and a calendar of expected payoff dates that updates when life shifts. Pair payoff with a small celebratory milestone, progress needs occasional proof that sacrifice produced movement.

Debt freedom and breaking the interest treadmill

Courses, certifications, and degree-related costs are goals that can raise lifetime earnings. Treat them like projects: tuition, materials, potential lost income if you study intensively, and a timeline tied to hiring cycles. If you finance education, the goal includes repayment planning, not only enrollment. Clear financial goals here prevent the credential from becoming regret.

Education, skills, and career transitions

A common financial goal is saving a down payment plus closing reserves. You define the home price range you are earnestly targeting, research typical percentages and fees in your market, and back into a required lump sum. Then you divide the gap by months until you hope to buy, acknowledging that rates and prices move, your plan is a living estimate, not a crystal ball. While you save, separate this fund from vacation money and protect it from impulse draws.

Buy a home: down payment and closing costs

Retirement goals usually combine a target age, desired lifestyle band, and contribution plan through employer plans or personal accounts, always adapted to your country’s tax rules and options. The emotional challenge is boredom: decades feel distant until they are not. Tracking contributions and net worth over time makes the abstract concrete. If retirement feels overwhelming, start with a modest automatic percentage you can raise after your emergency buffer exists.

Retirement and long-term independence

Travel goals work when you name the trip, estimate all-in cost including transport, lodging, meals, activities, and buffer for surprises, then fund a dedicated bucket monthly. The motivational win is paying upfront with saved cash instead of financing memories at high interest. If travel competes with emergency funding, decide the order explicitly so you are not accidentally borrowing from your safety net for a week abroad.

Travel and experiences without debt hangover

Building a cash buffer for several months of expenses reduces stress and protects against surprises.

Emergency fund

Planning for the down payment and upfront costs helps you move forward with confidence.

Buy a home

A concrete target makes consistency easier because you can track the gap and required monthly contribution.

Save EUR10,000

Examples of financial goals (house, travel, retirement, and more)

Short-term vs long-term financial goals

Long-term financial goals (typically five years and beyond)

Medium term

3-step method

Common obstacles and how to overcome them

Step-by-step plan to achieve your financial goals

Short-term financial goals (roughly zero to three years)

Achievable does not mean timid; it means honest. If the required monthly amount implies zero social life or ignores known bills, the goal will snap. Achievable plans include flex, seasonal adjustments for irregular income, and room to recover from surprises. If the math is tight, extend the timeline rather than pretending discipline will invent money.

Measurable financial goals have a balance to watch, a payoff line to cross, or a contribution rate to compare against actuals. Measurability is why spreadsheets and apps help: they convert intention into a chart or percentage funded. If you cannot measure it weekly or monthly, you will not correct early, you will discover problems late.

Relevant financial goals answer “why now?” A goal imposed by comparison, what peers appear to fund, often dies quietly. Relevant goals connect to security, family, health, career growth, or freedom you personally crave. That relevance sustains you when the café stop is tempting: you are not only skipping a latte; you are buying future optionality you chose on purpose.

Replace “save more” with “save $6,000 in a dedicated emergency fund” or “pay $4,200 off the card ending in 1234.” Specificity removes ambiguity so your budget can assign dollars without daily renegotiation. If you have multiple accounts, specify where the money lives so transfers are not mysterious.

Time-bound means a target month or year, with permission to revise when income or costs shift materially. Deadlines convert procrastination into scheduling. Combine deadlines with calendar reminders for reviews, quarterly for long horizons, monthly for aggressive short goals. A deadline without review becomes arbitrary guilt; a deadline with review becomes a planning tool.

How to set SMART financial goals

Financial goals and milestones: a personal financial planning guide

Why tracking progress is essential

Types of financial goals

What are financial goals?

Guides and tips to improve your personal finances. Learn about budgets, savings goals, and using Monwey effectively.

Savings plan: how to build a realistic monthly plan

What a savings plan is

Monthly savings plan: how much and when

How to create a savings plan step by step

Common savings-plan mistakes

Why a monthly savings plan beats random saving

Three steps to create a useful monthly savings plan

Common savings-plan mistakes

Try these free financial calculators

Turn this guide into real savings

Further reading

Monwey personal finance app