How much funding does NIH provide?

NIH awards $50K – $5M+ / year.

Who can apply for NIH grants?

Eligible applicants vary by mechanism but typically include: U.S. universities and colleges Hospitals and academic medical centers Nonprofit research institutes Forprofit organizations, including small businesses State, local, and tribal governments …

NIH Grants

National Institutes of Health

The world's largest public funder of biomedical research — over $35B awarded annually across 27 institutes and centers.

Federal Biomedical researchR-seriesP-seriesCooperative agreements

Apply with Grantable

Funding Amount

$50K – $5M+ / year

Deadline

Three cycles per year (Feb / Jun / Oct)

Awards Issued

55,000+ active grants

Grant Type

federal

Overview

The National Institutes of Health is the largest public funder of biomedical research in the world, awarding more than $35 billion every year through 27 institutes and centers. About 80% of NIH funding flows out as extramural research grants to universities, hospitals, nonprofit research institutes, and small businesses.

Most applicants compete for the iconic R-series mechanisms:

R01 — the flagship hypothesis-driven research project grant. Typically $250K–$500K direct costs per year for 3–5 years.
R03 — small grant for pilot work, secondary analysis, or methodology development. Up to $50K direct costs per year for two years.
R21 — exploratory / developmental grant for high-risk, high-reward ideas. Up to ~$275K direct costs total over two years.
R15 (AREA) — for research at undergraduate-focused institutions.

NIH also runs the SBIR/STTR small business programs (~$1.2B/year), large multi-project center grants (P-series), and cooperative agreements (U-series). Applications are merit-reviewed by expert study sections at the Center for Scientific Review, then prioritized for funding by the relevant institute or center based on its mission and budget.

Eligibility

Eligible applicants vary by mechanism but typically include:

U.S. universities and colleges
Hospitals and academic medical centers
Nonprofit research institutes
For-profit organizations, including small businesses
State, local, and tribal governments
Faith-based and community-based organizations

Most R-series grants require a named Principal Investigator with the training, expertise, and institutional support to lead the work. Foreign institutions and PIs are eligible for some R01s, but excluded from SBIR/STTR. New investigators (no prior R01) get policy-based payline benefits at most institutes.

Every applicant institution needs: a UEI from SAM.gov, an active eRA Commons account, and an institutional registration with NIH.

How to Apply

Find your Funding Opportunity Announcement (FOA) on the NIH Guide for Grants and Contracts. The FOA tells you which mechanism, which institute, and which review schedule applies.
Develop your Specific Aims page first. Reviewers read this before anything else — it makes or breaks your score.
Register your institution and PI in eRA Commons (allow 6+ weeks the first time).
Submit through ASSIST or Grants.gov by the receipt date. Standard R01 cycles close on Feb 5, Jun 5, and Oct 5; R21/R03 close one week later.
Peer review at the Center for Scientific Review — your application gets an impact score, then a percentile rank.
Council review and funding decision — typically 9–12 months from submission to award.