TDS Calculator
Estimate monthly TDS requirement, remaining tax and shortfall from annual tax liability, TDS already deducted and months elapsed.
TDS spreads annual tax across the financial year. This calculator compares estimated annual tax with TDS already deducted and months elapsed, then shows the monthly deduction needed for the rest of the year.
Calculate your result
Change the inputs on the left. Results update instantly on the right.
TDS inputs
Why use the TDS Calculator
If deductions, bonus, job change or regime choice changes mid-year, TDS can run too high or too low. A quick check helps avoid a large year-end tax payment or refund wait.
Benefits at a glance
Remaining monthly TDS
See how much should be deducted per remaining month.
Shortfall check
Compare expected deduction so far with actual TDS.
Effective rate
View tax as a percentage of annual income.
How to use the TDS Calculator
- 1
Estimate annual tax
Use the income tax calculator if needed.
- 2
Enter TDS deducted
Use Form 16, payslip or Form 26AS/AIS.
- 3
Enter months elapsed
Use completed months in the financial year.
- 4
Review remaining monthly TDS
Use the output to discuss payroll declarations.
Assumptions and exclusions
- This is a planning calculator, not a TDS return tool.
- Interest under Sections 234B/234C is not calculated.
- Use actual Form 26AS/AIS for filing.
Tax/rate changelog
FY 2026-27 tax year refresh
Updated current-year labels, calculator metadata and salary/tax copy to FY 2026-27 (AY 2027-28).
Official rates checked
Income-tax slabs are aligned with the Income Tax Department and Income-tax Act, 2025 references; small-savings defaults use Q2 FY 2026-27 notified rates.
Limitations noted
Calculators are informational planning tools. Verify tax filing, investment and loan decisions with the relevant official source or a qualified professional.
Frequently asked questions
Can TDS be changed mid-year?
Employers can adjust salary TDS based on declarations and updated tax estimates.
What if TDS is too high?
Excess TDS can be claimed as refund after filing the return.
What if TDS is too low?
You may need to pay self-assessment or advance tax, depending on the case.
Final word
Use the TDS calculator during the year, especially after a bonus, job change or tax-regime update. It helps keep payroll deduction closer to actual tax liability.
Browse every RunwayCalc calculatorOfficial sources
Related guides
Related calculators
More in Tax & Business
Need another calculator?
If there is an Indian money decision you want modelled properly, send the use case. Clear, specific requests are easier to ship than vague feature lists.