# AllCalculatorNl.com > Free calculators for the Netherlands: Dutch salary and tax (2026 rates), 30% ruling, ZZP, box 3, mortgages, leases, currency, health, maths and more. Each page has a calculator, a short answer, worked examples, FAQs and sources. Last updated: October 2026 ## Tax & Salary - [Netherlands Salary Calculator](https://allcalculatornl.com/tax-salary/netherlands-salary-calculator/): Gross-to-net Dutch salary calculator for 2026, with holiday allowance and 30% ruling options. - [30% Ruling Calculator](https://allcalculatornl.com/tax-salary/30-ruling-calculator/): What the 30% ruling is worth to you, with the 2026 salary norm and 2027 changes. - [ZZP Calculator](https://allcalculatornl.com/tax-salary/zzp-calculator/): Net income for Dutch freelancers after zelfstandigenaftrek, MKB exemption, tax and Zvw. - [Holiday Allowance Calculator](https://allcalculatornl.com/tax-salary/holiday-allowance-calculator/): Gross and estimated net vakantiegeld from your monthly salary. - [VAT Calculator Netherlands](https://allcalculatornl.com/tax-salary/vat-calculator-netherlands/): Add or remove 21%, 9% or 0% BTW from any amount. - [Box 3 Calculator](https://allcalculatornl.com/tax-salary/box-3-calculator/): Estimate your 2026 box 3 tax on savings and investments, with the tegenbewijs comparison. - [Bijtelling Calculator](https://allcalculatornl.com/tax-salary/bijtelling-calculator/): Company car bijtelling for EVs, petrol and youngtimers, with monthly tax cost. - [Transitievergoeding Calculator](https://allcalculatornl.com/tax-salary/transitievergoeding-calculator/): Statutory Dutch severance pay: 1/3 monthly salary per year, capped at €102,000. - [Incassokosten Calculator](https://allcalculatornl.com/tax-salary/incassokosten-calculator/): Maximum statutory collection costs (WIK) for any unpaid invoice. ## Mortgage & Loans - [Mortgage Calculator Netherlands](https://allcalculatornl.com/mortgage-loans/mortgage-calculator-netherlands/): Monthly payment, interest relief, NHG and buying costs for a Dutch mortgage. - [Maximum Mortgage Calculator](https://allcalculatornl.com/mortgage-loans/maximum-mortgage-calculator/): Indicative maximum Dutch mortgage from income, rate and debts. - [Mortgage Repayment Calculator](https://allcalculatornl.com/mortgage-loans/mortgage-repayment-calculator/): Yearly mortgage repayment schedule with interest saved from extra payments. - [Mortgage Interest Relief Calculator](https://allcalculatornl.com/mortgage-loans/hypotheekrenteaftrek-calculator/): Yearly tax benefit from Dutch mortgage interest deduction in 2026. - [Rent vs Buy Calculator](https://allcalculatornl.com/mortgage-loans/rent-vs-buy-calculator-netherlands/): Compare net wealth of buying vs renting in the Netherlands over 5 to 30 years. - [Loan Calculator Netherlands](https://allcalculatornl.com/mortgage-loans/loan-calculator-netherlands/): Monthly payment (EMI) and total interest on a personal loan. ## Car & Lease - [Lease Calculator](https://allcalculatornl.com/car-lease/lease-calculator/): Monthly lease payment with down payment and residual value. - [Financial Lease Calculator](https://allcalculatornl.com/car-lease/financial-lease-calculator/): Financial lease payment, BTW and total cost for businesses. - [Private Lease Calculator](https://allcalculatornl.com/car-lease/private-lease-calculator/): Private lease vs buying: total cost and cost per km. - [Operational Lease Calculator](https://allcalculatornl.com/car-lease/operational-lease-calculator/): All-in cost of an operational (zakelijk) lease with fuel and km settlement. - [Tyre Size Calculator](https://allcalculatornl.com/car-lease/tyre-size-calculator/): Compare tyre sizes: diameter, circumference and speedometer error. ## Currency & Forex - [USD to Euro Calculator](https://allcalculatornl.com/currency-forex/usd-to-euro-calculator/): Convert USD to EUR and EUR to USD with a live ECB-based rate. - [Pound to Euro Calculator](https://allcalculatornl.com/currency-forex/gbp-to-euro-calculator/): Convert pounds to euros and euros to £ at the latest ECB rate. - [IDR to Euro Calculator](https://allcalculatornl.com/currency-forex/idr-to-euro-calculator/): Convert Indonesian rupiah to euros with the latest ECB reference rate. - [Danish Krone to Euro Calculator](https://allcalculatornl.com/currency-forex/dkk-to-euro-calculator/): Convert Danish krone to euro with the latest rate. DKK is pegged to EUR. - [Euro to NOK Calculator](https://allcalculatornl.com/currency-forex/euro-to-nok-calculator/): Convert EUR to NOK and NOK to EUR with the latest ECB rate. - [Forex Calculator](https://allcalculatornl.com/currency-forex/forex-calculator/): Forex lot size, pip value and position-size calculator. ## Investing & Savings - [Compound Interest Calculator](https://allcalculatornl.com/investing-savings/compound-interest-calculator/): Compound growth with monthly deposits, compounding frequency and inflation. - [Dividend Calculator](https://allcalculatornl.com/investing-savings/dividend-calculator/): Dividend income, yield, withholding tax and growth projection. - [Investment Return Calculator](https://allcalculatornl.com/investing-savings/investment-return-calculator/): Total return, annualised return (CAGR) and real return after inflation. - [Investment Calculator](https://allcalculatornl.com/investing-savings/investment-calculator/): Portfolio growth with monthly deposits, fees and estimated box 3 tax. ## Health & Fitness - [FFMI Calculator](https://allcalculatornl.com/health-fitness/ffmi-calculator/): FFMI and normalised FFMI from weight, height and body fat %. - [Bench Press Calculator](https://allcalculatornl.com/health-fitness/bench-press-calculator/): One-rep max estimate with six formulas and a % table. - [Running Pace Calculator](https://allcalculatornl.com/health-fitness/running-pace-calculator/): Running pace per km/mile, speed and race predictions. - [TI-RADS Calculator](https://allcalculatornl.com/health-fitness/tirads-calculator/): ACR TI-RADS points, TR level and FNA/follow-up thresholds. - [QTc Calculator](https://allcalculatornl.com/health-fitness/qtc-calculator/): QTc by Bazett, Fridericia, Framingham and Hodges from QT and heart rate. - [Period Calculator](https://allcalculatornl.com/health-fitness/period-calculator/): Next period, ovulation date and fertile window from your cycle. - [Calorie Calculator](https://allcalculatornl.com/health-fitness/calorie-calculator/): Daily calorie needs, TDEE and calories to lose or gain weight, with macros. - [Protein Calculator](https://allcalculatornl.com/health-fitness/protein-calculator/): Daily protein needs in grams per kg for general health, training, fat loss and seniors. - [Child Height Calculator](https://allcalculatornl.com/health-fitness/child-height-calculator/): Predict a child's adult height from the parents' heights, for boys and girls. ## Maths & Science - [Matrix Calculator](https://allcalculatornl.com/maths-science/matrix-calculator/): Matrix operations: multiply, add, determinant, inverse, eigenvalues. - [Determinant Calculator](https://allcalculatornl.com/maths-science/determinant-calculator/): Determinant, rank and trace of a 2×2, 3×3 or 4×4 matrix. - [Inverse Matrix Calculator](https://allcalculatornl.com/maths-science/inverse-matrix-calculator/): Inverse of a 2×2, 3×3 or 4×4 matrix with a verification. - [Eigenvalue Calculator](https://allcalculatornl.com/maths-science/eigenvalue-calculator/): Eigenvalues and eigenvectors of 2×2, 3×3 and 4×4 matrices. - [Pythagoras Calculator](https://allcalculatornl.com/maths-science/pythagoras-calculator/): Find the missing side, area, perimeter and angles of a right triangle. - [Average Calculator](https://allcalculatornl.com/maths-science/average-calculator/): Mean, median, mode, range and standard deviation of a list of numbers. - [Percentage Calculator](https://allcalculatornl.com/maths-science/percentage-calculator/): Percent of a number, percentage change, increase and decrease. - [Dilution Calculator](https://allcalculatornl.com/maths-science/dilution-calculator/): C1V1 = C2V2 dilution: stock volume, solvent to add and dilution factor. - [Quadratic Formula Calculator](https://allcalculatornl.com/maths-science/quadratic-formula-calculator/): Solve ax² + bx + c = 0: discriminant, solutions and vertex. ## Home & DIY - [Laminate Flooring Calculator](https://allcalculatornl.com/home-diy/laminate-flooring-calculator/): Laminate flooring: packs, cutting waste, underlay and skirting boards. - [Wallpaper Calculator](https://allcalculatornl.com/home-diy/wallpaper-calculator/): Wallpaper rolls, drops and pattern waste for any room. - [Curtain Calculator](https://allcalculatornl.com/home-diy/curtain-calculator/): Curtain fabric: widths and metres with fullness factor. ## Tech & Gaming - [FOV Calculator](https://allcalculatornl.com/tech-gaming/fov-calculator/): FOV conversion between aspect ratios, plus real FOV from screen size. - [Nether Coordinates Calculator](https://allcalculatornl.com/tech-gaming/nether-coordinates-calculator/): Overworld ↔ Nether coordinate converter for Minecraft portals. ## Astrology & Numerology - [Gematria Calculator](https://allcalculatornl.com/astrology-numerology/gematria-calculator/): Gematria values of words and names in five ciphers, plus Hebrew. - [Chinese Zodiac Calculator](https://allcalculatornl.com/astrology-numerology/chinese-zodiac-calculator/): Chinese zodiac animal, element and polarity from your birth date. - [Angel Number Calculator](https://allcalculatornl.com/astrology-numerology/angel-number-calculator/): Root digit and traditional meaning of angel numbers like 111, 444, 1234. - [Rising Sign Calculator](https://allcalculatornl.com/astrology-numerology/rising-sign-calculator/): Rising sign (Ascendant) with Sun and Moon signs from birth data. - [Moon Sign Calculator](https://allcalculatornl.com/astrology-numerology/moon-sign-calculator/): Moon sign (plus Sun and rising sign) from your birth data. - [Numerology Calculator](https://allcalculatornl.com/astrology-numerology/numerology-calculator/): Life Path, Expression, Soul Urge and Personality numbers. ## Business & Marketing - [ROAS Calculator](https://allcalculatornl.com/business/roas-calculator/): ROAS, ACOS and profit after ad spend, with break-even ROAS. - [Break-Even ROAS Calculator](https://allcalculatornl.com/business/break-even-roas-calculator/): Break-even ROAS, max CPA and target ROAS from product price and cost. ## Work & Careers - [Calculator Job (Estimator)](https://allcalculatornl.com/work-careers/calculator-job-netherlands/): Construction estimator (calculator) job: duties, training and salary with a net pay estimate. - [Calculator Vacancies](https://allcalculatornl.com/work-careers/calculator-vacancies-netherlands/): Find calculator (estimator) vacancies and compare job offers on net pay after travel. ## About - [How we calculate](https://allcalculatornl.com/how-we-calculate/) - [Editorial policy](https://allcalculatornl.com/editorial-policy/) - [About](https://allcalculatornl.com/about/)