Friendly guidance for your everyday finances
Explore mortgage, salary, savings, and health calculators with step-by-step support tailored to life in Sweden.
- Guided walk-throughs
- Follow clear prompts that explain each input and what it means for you.
- Swedish context
- Defaults tuned to Swedish salaries, housing, savings habits, and wellbeing goals so examples feel familiar.
- Ready to share
- Save or share summaries when you want to involve family, friends, or advisors.
Categories
Calculators organised to help you work through key financial and wellbeing questions.
Housing & mortgages
Work through property plans with prompts about interest and amortisation.
Income & tax
Explore take-home pay with supportive explanations of Swedish tax.
Savings & goals
Map savings journeys with guided compound interest scenarios.
Fitness & health
Check health metrics with gentle coaching tips.
Business & VAT
Calculate VAT and manage business-related calculations.
Tools
Practical tools and converters for everyday use.
Popular calculators
Discover friendly tools that help you explore how interest, taxes, parental benefit, savings, and health metrics shape your plans.
Housing & mortgages
Work through property plans with prompts about interest and amortisation.
Mortgage calculator
Estimate loan size, loan-to-value, monthly interest cost and mandatory amortisation using the purchase price, down payment, rate and household income.
ROT/RUT Deduction Calculator (2025)
Calculate tax relief for ROT and RUT services with the temporary 50% ROT rate on payments made 12 May-31 Dec 2025.
Lagfart (stamp duty) calculator
Estimate Swedish lagfart costs by combining stamp duty and the fixed registration fee, using the highest of purchase price or tax assessment value.
Pantbrev (mortgage deed) calculator
Estimate pantbrev costs by calculating new mortgage deed needs, the 2% stamp duty, and the fixed SEK 375 registration fee.
Income & tax
Explore take-home pay with supportive explanations of Swedish tax.
Net salary after tax
Estimate take-home pay after municipal tax, state income tax, church tax and voluntary pension savings.
Interest deduction (ränteavdrag)
Estimate how much of your annual interest charges you receive back through the Swedish ränteavdraget rules.
Parental benefit planner
Estimate Swedish Försäkringskassan parental benefit (föräldrapenning) based on SGI, leave percentage and how many days you plan to take out.
Unemployment insurance (A-kassa)
Calculate your unemployment benefit based on previous salary and unemployment duration.
Salary exchange (löneväxling) calculator
Estimate the monthly net impact and pension boost when exchanging gross salary to pension, including employer top-up and fees.
Savings & goals
Map savings journeys with guided compound interest scenarios.
Savings goal & compound interest
Forecast how your capital grows when combining a lump sum with monthly savings.
Pension Calculator (2025) - state, occupational, private
Estimate your retirement income from state pension (allmän pension), occupational pension (tjänstepension), and private savings.
ISK Flat-Rate Tax (2025) with Tax-Free Allowance
Calculate flat-rate taxation on your investment savings account (ISK) with 150,000 SEK tax-free allowance for 2025.
Investment Account Comparison: ISK vs KF vs AF (2025)
Compare ISK, Kapitalförsäkring, and Aktie- & Fondkonto to choose the optimal account for your situation.
Car loan calculator
Estimate your Swedish car loan with monthly payment, total interest, and total cost based on price, down payment, interest, term, and residual value.
Fitness & health
Check health metrics with gentle coaching tips.
BMI Calculator - adults, kids & youth
Accurate BMI calculator for adults, kids, and teens. Check your body mass index and see tailored ranges for every age.
BMR calculator
Estimate your basal metabolic rate and daily calorie needs with the Mifflin-St Jeor equation.
Business & VAT
Calculate VAT and manage business-related calculations.
Tools
Practical tools and converters for everyday use.
Roman Numerals
Convert between Arabic numbers and Roman numerals. Supports bi-directional conversion for numbers between 1-3999.
Percentage Calculator
Choose whether you need the value of a percentage or the percentage of a value, then get the exact number instantly.
Temperature Converter
Quickly convert temperatures between Celsius, Fahrenheit, and Kelvin while seeing all three scales at once.
Power converter
Convert between watts, kilowatts, megawatts, horsepower, BTU/h, tons of refrigeration, dBm, and dBW with one input.
About Räkna.nu
Räkna.nu combines Swedish tax data and plain-language guidance so you always know what each calculator is doing and how to keep exploring.
- Guided inputs
- Step-by-step prompts explain what each field means and how to adjust it.
- Supportive insights
- Result cards highlight next questions to consider without sharing sensitive personal data.
- Easy to share
- Save or share tailored breakdowns when you want to involve others.