Tax
Tax tools are free calculators that handle everyday tax math, from adding GST, VAT or sales tax to a price to reversing a total or estimating capital gains, in seconds.
Split your income tax into the four advance tax instalments due on 15 Jun, 15 Sep, 15 Dec and 15 Mar. Enter your tax liability and TDS to see each due amount.
Free capital gains tax calculator: enter your purchase price, sale price and tax rate to see your gain, the tax owed and your net profit after tax.
Estimate the customs duty payable on an import. Enter goods value, freight, insurance and the duty rate to see the customs (CIF or FOB) value and duty due.
Estimate your 2024 Dutch Box 1 income tax. Enter gross salary and AOW status to see tax before credits, the general and labour tax credits, and your net income.
Add GST to a net price or remove GST from a gross price, and see the net amount, the GST and the GST-inclusive total for any GST rate or India slab (5%, 12%, 18%, 28%).
Calculate your House Rent Allowance exemption under Section 10(13A). Enter basic salary, HRA received and rent to see the exempt and taxable HRA instantly.
Add or remove HST and GST by Canadian province. Enter an amount to see the net price, the tax and the tax-inclusive total at Ontario 13%, Atlantic 15% or 5% GST.
Estimate total import taxes and landed cost. Add goods value, shipping, duty rate, import VAT or GST and broker fees to see duty, tax and the full delivered cost.
Compare income tax under India's old and new regimes for FY 2024-25. Enter income and deductions to see tax under each, the 87A rebate, 4% cess and the better choice.
Compute your Pag-IBIG (HDMF) monthly contribution from your compensation, with the employee and employer rates and the 10,000 fund salary cap applied automatically.
Compute your 2025 PhilHealth monthly premium from your basic salary at the 5% rate, with the employee and employer 50/50 split and the floor and ceiling applied.
Calculate state professional tax (PT) on your monthly salary. Pick your state to see the 2024 slab, monthly and annual PT, and your net pay after deduction.
Estimate annual and monthly property tax from your home's assessed value. Supports both percentage rates and mill rates, with the full calculation shown.
Work backwards from a tax-included total to find the original pre-tax price and the exact sales tax amount, for any tax rate. Ideal for expense reports, VAT/GST returns, and bookkeeping.
Free sales tax calculator: enter a pre-tax price and rate to instantly get the sales tax and the total price you pay. Works for any US state or local rate.
Add or remove 15% Saudi VAT in seconds. Enter a net or gross amount in SAR to see the net price, the VAT and the VAT-inclusive total at the ZATCA standard rate.
Work out your Section 80C deduction and the income tax you save. Add up EPF, PPF, ELSS, LIC and more, capped at the 1.5 lakh limit, with tax saved by slab.
Estimate your US self-employment tax for 2025: 15.3% on 92.35% of net profit (12.4% Social Security up to $176,100 plus 2.9% Medicare), with the deductible half shown.
Calculate TDS on payments by section. Pick 194C, 194J, 194I, 194H and more, enter the amount, and see the rate, TDS deducted and net payment, including the no-PAN 20% rule.
Free TDS interest calculator for Section 201(1A): work out interest on late deduction at 1% per month and late payment at 1.5% per month, with the total payable.
Work out your UK car tax (VED) for 2024/25. Enter CO2 emissions, fuel type and list price to see the first-year showroom rate, standard rate and £40,000 supplement.
Free VAT calculator to add VAT to a net price or remove VAT from a gross price. See the net amount, the VAT and the VAT-inclusive total for any rate.
What are tax tools?
Tax tools are online calculators that solve common tax problems without manual formulas. They cover everyday tasks like adding sales tax, VAT or GST to a price, removing it from a tax-inclusive total, and estimating capital gains tax on a sale. Shoppers, freelancers, small-business owners, investors, accountants and students use them for fast, accurate answers.
Tax tools on Toolzent
Here are the tax calculators currently available, with what each one does.
| Tool | What it does |
|---|---|
| GST Calculator | Adds or removes GST from a price using your chosen rate. |
| Reverse Sales Tax Calculator | Works backwards from a tax-inclusive total to find the pre-tax price and tax amount. |
| VAT Calculator | Adds or removes value-added tax from a net or gross price at your VAT rate. |
| Capital Gains Tax Calculator | Estimates tax owed on profit from selling an asset based on cost, sale price and rate. |
| Sales Tax Calculator | Calculates the sales tax and final price added to a purchase at a given rate. |
Key tax terms explained
Knowing a few core terms makes these calculators easier to use. Below are concepts that appear across most tax calculations.
| Term | What it means |
|---|---|
| Sales tax | A tax added at the point of sale, common in the United States, set by state and local rates. |
| VAT | Value-added tax charged at each stage of production and sale, common in Europe and many other regions. |
| GST | Goods and services tax, a broad consumption tax used in countries such as India, Australia and Canada. |
| Capital gain | The profit made when an asset sells for more than its purchase cost, which may be taxable. |
| Tax-exclusive price | The price before any tax is added, also called the net or pre-tax amount. |
| Tax-inclusive price | The final price with tax already added in, also called the gross amount. |
| Reverse calculation | Starting from a tax-inclusive total and working back to find the original price and tax. |
How do I choose the right tool?
Match the tool to the question you are asking:
- Adding US-style sales tax to a purchase: use the Sales Tax Calculator to get the tax and final price.
- Finding how much of a final, tax-included price was tax: use the Reverse Sales Tax Calculator.
- Adding GST to a quote or removing it from a price: use the GST Calculator.
- Working with European or VAT-region pricing: use the VAT Calculator to switch between net and gross amounts.
- Estimating tax on profit from selling shares, property or other assets: use the Capital Gains Tax Calculator.
- Checking the pre-tax cost of something you already paid for: use the Reverse Sales Tax Calculator and enter the total with the applicable rate.
Why use Toolzent’s tax tools?
Toolzent’s tax calculators are 100% free with no sign-up or login. They run privately in your browser, so your figures stay on your device and never reach a server. You get instant results, a mobile-friendly layout that works on any screen, and clear worked examples on each tool page so you can trust and follow the math. For example, at an 8% rate the Sales Tax Calculator turns a 50 item into 4 tax and a 54 total, while the Reverse Sales Tax Calculator takes that 54 back to a 50 pre-tax price.
Explore related hubs for more calculators: Finance & Investing, Math & Algebra and Converters & Units.
Frequently asked questions
Are these tax calculators free to use?+
Yes. Every tax tool on Toolzent is 100% free, with no sign-up, login or payment required.
Do I need to create an account or install anything?+
No. The calculators run entirely in your browser, so there is nothing to download or install and no account to create.
What is the difference between a GST, VAT and sales tax calculator?+
All three add or remove a consumption tax from a price; the labels differ by region, with sales tax common in the US, VAT in Europe and GST in countries like India, Australia and Canada.
How does a capital gains tax calculator work?+
It estimates tax on profit from selling an asset by taking the sale price minus the purchase cost, then applying the rate and holding period you enter.
Can these tools replace professional tax advice?+
No. They give accurate estimates from the figures you enter, but real tax rules vary by region, so treat results as guidance, not formal advice.
Is my data kept private when I use these calculators?+
Yes. Calculations happen locally in your browser and your inputs are not sent to a server or stored by us.