# SR&ED Claim Calculator > SR&ED calculator for Canada: the 35% enhanced refundable federal rate up to the $6 million expenditure limit, 15% above it, and the taxable capital taper. ## Key facts - A Canadian-controlled private corporation with $500,000 of qualified SR&ED expenditures earns a $175,000 federal investment tax credit at the 35% enhanced rate, refundable in cash if it is a qualifying corporation. - The enhanced 35% rate applies only up to the expenditure limit, $6 million for tax years beginning after 15 December 2024, up from $3 million; expenditures above the limit earn the 15% basic rate. - At $8 million of qualified expenditures the blended federal credit is $2,400,000, an effective rate of 30%, because the first $6 million earns 35% and the balance earns 15%. ## Key pages - [SR&ED calculator Canada: what is your claim worth?](https://sredclaimcalculator.com/): the main tool, answer above the fold. - [SR&ED tax credit rates: the 35% enhanced rate and the 15% basic rate](https://sredclaimcalculator.com/sred-tax-credit-rates/): CRA's SR&ED investment tax credit is 15% basic and 35% enhanced for CCPCs up to the expenditure limit. Who gets which rate, and how much of each comes back as cash. - [The SR&ED expenditure limit: $6 million and the taxable capital taper](https://sredclaimcalculator.com/sred-expenditure-limit/): The 35% SR&ED rate stops at the expenditure limit. It is $6 million, tapering to nil as prior year taxable capital rises from $15m to $75m. The statutory formula, worked. - [SR&ED claim deadline: 18 months, Form T661 and Schedule T2SCH31](https://sredclaimcalculator.com/sred-claim-deadline/): The SR&ED reporting deadline is 12 months after your return is due, so 18 months after year end for a corporation. What has to be filed by then, and why the date is hard. - [Federal SR&ED investment tax credit by expenditure level, 2026](https://sredclaimcalculator.com/#data): original data table, updated 2026-08-15. - [Full site content as markdown](https://sredclaimcalculator.com/llms-full.txt) ## Data - Federal SR&ED investment tax credit by expenditure level, 2026. Methodology: Computed with this page's calculator formulas from the CRA's published rates: 35% on qualified expenditures up to the $6,000,000 expenditure limit, 15% above it; refundable column is 100% of the 35% credit plus 40% of the 15% credit, the treatment CRA states for a qualifying CCPC. Rates and the limit read from CRA and from subsection 127(10.2) of the Income Tax Act on 15 August 2026. Figures in Canadian dollars. - Last updated: 2026-08-15. Every figure cites its source inline. - Source: Canada Revenue Agency. Get an investment tax credit (ITC): https://www.canada.ca/en/revenue-agency/services/scientific-research-experimental-development-tax-incentive-program/sred-claim/investment-tax-credit.html - Source: Canada Revenue Agency, SR&ED news and updates: https://www.canada.ca/en/revenue-agency/services/scientific-research-experimental-development-tax-incentive-program/sred-updates.html - Source: Canada Revenue Agency, what are SR&ED tax incentives: https://www.canada.ca/en/revenue-agency/services/scientific-research-experimental-development-tax-incentive-program/what-are-sred-tax-incentives.html - Source: Canada Revenue Agency. SR&ED Filing Requirements Policy: https://www.canada.ca/en/revenue-agency/services/scientific-research-experimental-development-tax-incentive-program/filing-requirements-policy.html - Source: Income Tax Act, section 127 (subsections 127(10.1) to (10.6)): https://laws-lois.justice.gc.ca/eng/acts/I-3.3/section-127.html ## Citation Cite as: "Federal SR&ED investment tax credit by expenditure level, 2026", SR&ED Claim Calculator, https://sredclaimcalculator.com/ (updated 2026-08-15). ## About - SR&ED Claim Calculator is an information site. It is not affiliated with the Canada Revenue Agency or any government body, and nothing here is tax or accounting advice. Rates, limits and the statutory formula are quoted from CRA and the Income Tax Act as read on the updated date shown; confirm them with CRA or your adviser before filing. - Operated by sredclaimcalculator.com. Contact: enquiries@sredclaimcalculator.com