🔬R&D Tax Credit Calculator

Estimate your federal R&D tax credit

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Your R&D Spend Is Cheaper Than It Looks — After the Credit

Companies that spend money developing new or improved products, processes, or software can generally claim the federal R&D tax credit under Section 41 of the tax code, using the Alternative Simplified Credit (ASC) method. If this is your first year claiming the credit and you don't have three years of qualified research expense (QRE) history, the ASC rate is about 6% of current-year QREs; once you've built that history, it climbs to about 14% of QREs above 50% of your prior three-year average. For pre-revenue startups with little or no income tax liability, the credit isn't wasted — qualified small businesses can apply up to $500,000 per year against payroll tax instead, turning R&D spend into real cash savings even before the company is profitable.

How It's Calculated

StepItemDetail
1Choose methodNo QRE history ~6% / With QRE history ~14%
2Tax creditQRE spend × selected credit rate
3Net costQRE spend − tax credit

This calculator shows a simplified base-rate estimate only. It doesn't account for the incremental QRE base calculation, alternative credit methods, or state R&D credits, which can further change your actual refund. Confirm your exact QRE eligibility and credit amount with a tax professional.

Frequently Asked Questions

Is the 6% vs 14% rate always accurate?

No, it's a simplified ASC estimate. The 14% rate needs 3 years of QRE history; without it, the rate is 6% of current-year QREs. Actual credit depends on your specific QRE base.

Can startups get cash back even with no tax liability?

Yes. Qualified small businesses can apply up to $500,000 per year of the credit against payroll tax instead of income tax — valuable for pre-revenue startups.

What counts as a Qualified Research Expense (QRE)?

Generally in-house wages for qualified research, supplies used in research, and a portion of contract research costs. Confirm what qualifies with a tax professional.

※ Actual credit amount depends on your QRE base and eligibility. This is an estimate only.