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2026 Fiscal Strategy Tool

R&D Full Expensing Savings

Compare Section 174 amortization against the new 2026 rules. Identify immediate tax liability reduction for your small business.

Financial Inputs

Small Biz (C-Corp)High Bracket (Individual)

Tax Strategy Insight

2026 Full Expensing allows for a 100% deduction of domestic R&D costs in the first year, significantly boosting immediate cash flow for startups.

Estimated Year 1 Tax Savings

$0

Immediate Cash Flow Increase

Old Amortization Rule

$45,000

Year 1 Deduction (Section 174)

2026 Full Expensing

$450,000

Year 1 Deduction (100%)

Deduction Advantage

New rule increases deduction by 90% in Year 1

+$405,000

Additional Deduction

Section 174 (5-Year)10% Applied
2026 Full Expensing100% Applied

Why the 2026 R&D Rule Matters

Section 174 2026 Updates

Since 2022, businesses were forced to amortize domestic R&D over 5 years. The 2026 update restores 100% bonus depreciation for these costs, allowing for immediate expense recognition.

Eligibility Requirements

To qualify for full expensing, R&D must be performed in the U.S. and relate to the development of a new or improved product, process, or software.