Moonlighting Tax

Calculate income tax on moonlighting or side job income in India. Find how secondary employment or freelance income adds to your tax liability.

Moonlighting Tax Calculator

Calculate tax on side income while employed full-time

Primary annual salary (CTC) Rs 15,00,000
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Monthly moonlighting income Rs 30,000
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Business expenses (deductible) Rs 5,000
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Tax regime New
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Pay advance tax if extra liability exceeds Rs 10,000. File ITR-3 or ITR-4 for business income. Consult a CA for accurate filing.

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ThriftRupee Insight

Moonlighting income is taxed as "Income from other sources" or "Business income" (if regular/systematic). If your primary salary is already in the 30% slab, every rupee from moonlighting is taxed at 30% + 4% cess = 31.2%. You must file ITR and pay advance tax if extra tax liability exceeds Rs 10,000. Expenses directly related to moonlighting (internet, equipment, subscriptions) can be deducted if reporting as business income.

Moonlighting Tax Calculator India 2026

Calculate the income tax impact of moonlighting or a second job while employed. Find extra tax liability, net side income after tax, and advance tax requirements.

Frequently asked questions

How is moonlighting income taxed in India?
Moonlighting income is added to your primary salary and taxed at slab rates. If total income (salary + moonlighting) exceeds Rs 10 lakh, the moonlighting portion attracts 30% tax. You must: report this income in your ITR (employer does not know about it), pay advance tax by March 15 if extra liability > Rs 10,000, and maintain records of income received. There is no separate flat tax on side income.
Do I need to pay advance tax on moonlighting income?
Yes -- if your total tax liability after TDS on primary salary exceeds Rs 10,000 due to moonlighting income, you must pay advance tax in four instalments: 15% by June 15, 45% by Sep 15, 75% by Dec 15, 100% by Mar 15. Missing advance tax deadlines attracts interest under Section 234B and 234C (1% per month). Use your CA or ITR portal for calculation.
Can I claim expenses against moonlighting income?
If moonlighting income is declared as "Business/Professional income" (Schedule BP in ITR-3 or ITR-4), you can deduct direct expenses: internet, laptop depreciation, software subscriptions, co-working space, home office proportion. If declared as "Other income" (ITR-1), no expenses are deductible. For significant side income (Rs 5 lakh+), consult a CA to choose the most tax-efficient classification.