Business Tools
Free tools to help you understand and manage your business compliance
GST & Tax Tools
GST Calculator
Calculate CGST, SGST, and IGST. Supports inclusive and exclusive GST with all slab rates.
Try it freeTDS Rate Finder & Calculator
Look up TDS rates by section for FY 2025-26. Calculate TDS deduction and net payable amounts.
Try it freeHSN & SAC Code Finder
Search 500+ HSN and SAC codes with GST rates. Filter by goods, services, or tax slab.
Try it freeGST Late Fee Calculator
Calculate late fees and interest for delayed GST return filing. Covers GSTR-1, 3B, and 9.
Try it freeGST Invoice Generator
Create GST-compliant tax invoices with auto CGST/SGST/IGST calculation. Download as PDF.
Try it freeE-Way Bill Calculator
Check if an e-way bill is required and calculate validity based on distance and transport mode.
Try it freePayroll & HR Tools
CTC to In-Hand Salary Calculator
Convert CTC to take-home salary with PF, ESI, professional tax, and income tax deductions.
Try it freeEPF/PF Calculator
Calculate employee and employer PF contributions including EPF, EPS, and EDLI breakdowns.
Try it freeESI Calculator
Calculate ESI contributions for employees and employers. Check wage ceiling eligibility.
Try it freeProfessional Tax Calculator
Calculate professional tax based on your state and salary. Covers all Indian states with PT slabs.
Try it freeGratuity Calculator
Calculate gratuity amount based on years of service. Covers both Act-covered and non-covered employees.
Try it freeCompliance & Business Tools
Compliance Calendar
Calculate all applicable GST, TDS, MCA/ROC, PF, ESI compliances based on your company type, turnover, employee count, and states of operation.
Try it freeMSME Late Payment Interest
Calculate interest on delayed MSME payments under the MSMED Act. Based on 3x RBI bank rate.
Try it freeDSO/DPO/CCC Calculator
Calculate Days Sales Outstanding, Days Payable Outstanding, and Cash Conversion Cycle.
Try it freeWorking Capital Calculator
Calculate net working capital, current ratio, and quick ratio. Get health indicators and recommendations.
Try it freeNever miss a compliance deadline again.
OneFinOps tracks all your compliances, sends reminders, and helps you file on time. Try free for 14 days.