Calculator Tools

Calculator Tools brings together useful utilities for people who need quick results without installing separate apps. Use this category to find related tools, open the best match, and finish the task with clean output. Explore Calculator Tools when you want a focused set of tools instead of searching through the full library. Each utility is built around a clear input, practical options, and output that is easy to copy or reuse.

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25 tools available

All active tools in this category are shown below. Open a utility and use sample data to test it quickly.

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Discount Calculator Calculate discount savings, final price, optional extra tax, and effective discount percentage. ↗

VAT Calculator Add or remove VAT from an amount and show net, tax, and gross values. ↗

Sales Tax Calculator Calculate sales tax after discounts and show subtotal, taxable amount, tax, and total. ↗

GST Inclusive Calculator Reverse-calculate taxable value and GST from a GST-inclusive total. ↗

GST Exclusive Calculator Add GST to taxable amount and show GST amount, CGST/SGST split, and invoice total. ↗

Profit Calculator Calculate gross profit, net profit, margin percentage, and cost ratio from revenue/cost/expenses. ↗

Markup Calculator Calculate selling price from cost and markup, or inspect markup/margin from selling price. ↗

Break Even Calculator Find units and revenue needed to cover fixed costs and optional target profit. ↗

EMI Calculator Calculate fixed monthly EMI, total payment, and total interest for amortized loans. ↗

Loan Interest Calculator Estimate loan interest using EMI/amortized or simple-interest style calculation. ↗

SIP Calculator Estimate future value, invested amount, and gains for monthly SIP investments. ↗

Compound Interest Calculator Calculate future amount and compound interest with flexible compounding frequency. ↗

Simple Interest Calculator Calculate simple interest and maturity amount using principal, rate, and time. ↗

Invoice Total Calculator Calculate invoice subtotal, item discounts, taxable value, tax, and grand total from line items. ↗

Invoice Tax Breakdown Summarize item-wise taxable values, tax rates, tax amounts, and optional CGST/SGST split. ↗

Product Price Calculator Build a selling price from cost, target margin or markup, tax, platform fee, and shipping. ↗

Freelance Hourly Rate Calculator Estimate hourly rate from desired income, expenses, taxes, billable hours, and profit buffer. ↗

Project Estimate Calculator Estimate project cost from task hours/rates, contingency, discount, and tax. ↗

Time Sheet Calculator Calculate worked hours, break deductions, billable amount, and daily totals from timesheet rows. ↗

Billable Hours Calculator Separate billable and non-billable time, calculate utilization, and estimate billable amount. ↗

Salary Hike Calculator Calculate new salary, monthly difference, annual increase, and reverse hike percentage. ↗

CTC Breakdown Helper Create a simple annual/monthly CTC split for basic, HRA, employer PF, bonus, and remaining allowances. ↗

Net Salary Estimate Helper Estimate monthly in-hand salary after PF, tax, professional tax, and other deductions. ↗

Percentage Increase Calculator Calculate percent increase between old and new values, or apply an increase to a base value. ↗

Percentage Decrease Calculator Calculate percent decrease between old and new values, or apply a decrease to a base value. ↗