--- title: "Nasal Spray Volume Per Spray: mL Per Actuation Calculator" url: https://www.bodyhackguide.co/tools/intranasal description: "A standard nasal spray pump delivers about 0.1 mL per actuation. Use the calculator to convert total mL, mg, and sprays for research use." lang: en --- Skip to content Compare notes on r/BodyHackGuide (https://reddit.com/r/bodyhackguide) Compare notes with other researchers. Join r/BodyHackGuide (https://reddit.com/r/bodyhackguide) # Nasal Spray Volume Calculator mL per actuation, sprays per bottle, mcg per spray. Research use only. ## Standard Nasal Spray Pump Specs Standard pharma nasal spray pumps deliver 0.1 mL (100 μL) per actuation. Industry standard used by Aptar, Rexam, and research compound sprays. Pump Volume 0.1 mL/spray 5 mL Bottle 50 sprays 10 mL Bottle 100 sprays Both Nostrils 0.2 mL/dose How it works 10mg in 5ml + 0.1ml spray = 200mcg/spray. For 500mcg dose → 3 sprays (alternate nostrils). Quick-pick a common intranasal peptide: mg Total compound mass before dissolving ml Volume of solution (saline or BAC water) ml Standard nasal sprays deliver ~0.1ml mcg Target dose per administration Add bottle price to see cost per dose $ What you paid for the nasal spray bottle Per Dose 3 sprays per dose Sprays per dose 3 sprays 200 mcg per actuation 3 sprays per dose Results mcg per Spray 200.0 mcg 0.2000 mg per actuation Sprays per Dose 2.5 sprays ≈ 3 actuations Sprays per Bottle 50 sprays Total actuations available Total Doses 16 doses Full doses per bottle Concentration 2000 mcg/ml 2.00 mg/ml Total Volume 5 ml Contains 10,000 mcg total ## What next Nasal spray guide Ready-made sprays compared, and when they beat mixing your own: https://www.bodyhackguide.co/blog/best-peptide-nasal-sprays-2026 Compare peptide prices Price per mg across vendors: https://www.bodyhackguide.co/compare Get the cheat sheet Free PDF, 38 compounds and blends: https://www.bodyhackguide.co/guides/peptide-cheat-sheet-download Reconstitution calculator Vial math in syringe units: https://www.bodyhackguide.co/tools/reconstitution ### How to Verify Your Spray Volume Bottles vary. Calibrate before relying on calculated doses: 1. 1. Fill with plain water (use a 1ml pipette/syringe to measure precisely). 2. 2. Prime 3-5 times, then spray **10 actuations** into a container. 3. 3. Collect sprayed liquid with a **1ml syringe** to measure total volume. 4. 4. Divide by 10 for your actual **ml per spray**. Most bottles deliver 0.08-0.14ml per actuation. Metered pumps are more consistent than squeeze bottles. ### Nasal Administration Tips - 1. Prime with 2-3 pumps before first use - 2. Alternate nostrils for each spray - 3. Tilt head forward, aim at outer nostril wall - 4. Wait 30-60s between sprays (same nostril) - 5. Gentle breath in, don't sniff hard ## Standard Nasal Spray Pump Volume The **standard nasal spray pump volume per actuation** is **0.1 ml (100 µl)**. This is the industry-standard delivery volume used by most pharmaceutical-grade metered-dose nasal spray devices, including those from Aptar, Nemera, and other major pump manufacturers. Metered-dose nasal spray pumps use a mechanical piston system that delivers a precise, reproducible volume with each actuation, typically within ±5% of the rated output. Some specialty nasal spray devices deliver different volumes per actuation: - **Standard metered-dose pumps:** 0.1 ml (100 µl), most common - **Low-volume pumps:** 0.05 ml (50 µl), for highly concentrated formulations - **High-volume pumps:** 0.14 ml (140 µl), less common, for dilute solutions - **Squeeze bottles:** Variable (0.05-0.20 ml), not recommended for precise dosing For research compound dosing, use a metered-dose pump and calibrate your bottle (https://www.bodyhackguide.co/tools/intranasal) using the method above for accurate mcg-per-spray values. ## How Intranasal Peptide Dosing Works Intranasal delivery sends a peptide through the nasal lining instead of the bloodstream or gut. Part of the dose takes a **direct nose-to-brain route** along the olfactory and trigeminal nerves, which run from the upper nasal cavity straight into the central nervous system. This path partially bypasses the blood-brain barrier, the tight cellular wall that blocks most large molecules from entering the brain. It also skips first-pass liver metabolism that breaks peptides down after oral dosing. Two molecular properties decide whether a peptide is a good nasal candidate. **Molecular size** matters because small molecules cross the nasal mucosa more easily than large ones. **Lipophilicity** matters because the mucosal membrane is fatty, so more lipophilic peptides slip through faster than highly water-soluble ones. This is why short central-acting peptides like Semax, Selank, and Oxytocin are the most common intranasal targets, while large or strongly hydrophilic molecules are usually injected instead. The dosing math the calculator uses is two steps: - **mcg per spray = concentration × spray volume.** Concentration is total compound mass divided by total liquid volume. A standard metered pump sprays 0.1 ml per actuation. - **Sprays per dose = desired dose ÷ mcg per spray.** Round up to whole sprays, then split across both nostrils. ### Worked example 1: Selank Dissolve **30 mg of Selank in 3 ml** of saline. Concentration is 30,000 mcg ÷ 3 ml = **10,000 mcg/ml**. At a 0.1 ml pump, each spray delivers 10,000 × 0.1 = **1,000 mcg (1 mg) per spray**. A 1,000 mcg dose is therefore **1 spray**. The 3 ml bottle holds 30 sprays, so about 30 doses. ### Worked example 2: Oxytocin Dissolve **5 mg of Oxytocin in 5 ml**. Concentration is 5,000 mcg ÷ 5 ml = **1,000 mcg/ml**. At 0.1 ml per spray that is **100 mcg per spray**. For a 50 mcg dose you need 0.5 of a spray, which rounds to **1 spray** in practice, a case where a lower-concentration fill (e.g. 5 mg in 10 ml) gives finer dose control. Use the calculator above (https://www.bodyhackguide.co/tools/intranasal) to find the fill volume that lands your target dose on whole sprays. Intranasal pharmacology summarized from peer-reviewed reviews of nose-to-brain peptide delivery (Alabsi et al., _Pharmaceutics_ 2022; Bonferoni et al., _Pharmaceutics_ 2019). For research and educational use; not medical advice. ### Related Guides Nasal Sleep Stack Protocol: https://www.bodyhackguide.co/blog/nasal-sleep-stack-protocol Selank Nasal Spray Guide: https://www.bodyhackguide.co/blog/selank-nasal-spray-protocol Selank Compound Profile: https://www.bodyhackguide.co/compound/selank ## Frequently Asked Questions ### How many sprays per dose do I need for an intranasal peptide? ### Do I spray into each nostril or just one? ### How does intranasal bioavailability compare to injection? ### Which peptides are suited to intranasal delivery? ### How should I store a reconstituted nasal spray? ### How do I calculate mcg per spray for nasal delivery? Free 2026 Peptide Cheat Sheet (PDF) 38 compounds and blends: vial sizes, BAC water volumes, dosing ranges and bloodwork markers. Download Free (https://www.bodyhackguide.co/guides/peptide-cheat-sheet-download) Image: BodyHackGuide (https://www.bodyhackguide.co/assets/bodyhackguide-logo-DOzZNUyh.webp) ### BodyHackGuide Your biohacking research hub: compound pricing, brain health protocols, dosing tools, and vendor reviews. support@bodyhackguide.co Join our Discord: https://discord.gg/Mhq5UdRYBA r/BodyHackGuide on Reddit: https://reddit.com/r/BodyHackGuide #### Explore - Compare prices: https://www.bodyhackguide.co/compare - Vendors: https://www.bodyhackguide.co/vendors - Deals: https://www.bodyhackguide.co/deals - Coupons: https://www.bodyhackguide.co/coupons - Nootropics: https://www.bodyhackguide.co/nootropics - Brain health: https://www.bodyhackguide.co/brain-health - Blog: https://www.bodyhackguide.co/blog - Guides: https://www.bodyhackguide.co/guides #### Tools - Reconstitution: https://www.bodyhackguide.co/tools/reconstitution - Half-life visualizer: https://www.bodyhackguide.co/tools/halflife - COA reader: https://www.bodyhackguide.co/tools/coa - Cost calculator: https://www.bodyhackguide.co/tools/cost-calculator - Stack builder: https://www.bodyhackguide.co/stack-builder - All tools: https://www.bodyhackguide.co/tools #### Trust & vendors - Vendor directory: https://www.bodyhackguide.co/vendors - Trust scorecard: https://www.bodyhackguide.co/vendors/scorecard - Vendor trust badge: https://www.bodyhackguide.co/vendors/get-vetted - Scoring methodology: https://www.bodyhackguide.co/vendors/methodology - Peptide cheat sheet: https://www.bodyhackguide.co/guides/peptide-cheat-sheet-download #### Company - About: https://www.bodyhackguide.co/about - Affiliate disclosure: https://www.bodyhackguide.co/affiliate-disclosure - Editorial standards: https://www.bodyhackguide.co/editorial-standards - Creators: https://www.bodyhackguide.co/creators - Coaches: https://www.bodyhackguide.co/coaches - 1-on-1 coaching: https://www.bodyhackguide.co/coaching - Privacy: https://www.bodyhackguide.co/privacy - Terms: https://www.bodyhackguide.co/terms - Full site directory: https://www.bodyhackguide.co/site-directory **Affiliate Disclosure:** We rank every vendor on the same public, reproducible methodology (https://www.bodyhackguide.co/vendors/methodology), and we earn a commission from purchases made through some of our links at no extra cost to you. Full details in our affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). **Research Disclaimer:** All compounds listed are for laboratory and research purposes only. Not for human consumption. This site does not sell or ship any products. Always consult a qualified healthcare professional and comply with local regulations. © 2026 BodyHackGuide. All rights reserved. · Terms (https://www.bodyhackguide.co/terms) · Privacy (https://www.bodyhackguide.co/privacy) ## Structured data ```json [ { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How many sprays per dose do I need for an intranasal peptide?", "acceptedAnswer": { "@type": "Answer", "text": "Divide your target dose by the mcg delivered per spray. With a standard 0.1 ml pump and 10 mg of peptide dissolved in 5 ml (2,000 mcg/ml), each spray delivers 200 mcg, so a 500 mcg dose takes 3 sprays. The calculator above does this for any mass, volume, and target dose." } }, { "@type": "Question", "name": "Do I spray into each nostril or just one?", "acceptedAnswer": { "@type": "Answer", "text": "Alternate nostrils. Split the dose across both sides so each nostril receives roughly half the total sprays. This doubles the absorptive surface area, reduces run-off, and spreads the load across both the olfactory region (upper nasal cavity) and the wider respiratory mucosa. Wait 30-60 seconds before a second spray in the same nostril." } }, { "@type": "Question", "name": "How does intranasal bioavailability compare to injection?", "acceptedAnswer": { "@type": "Answer", "text": "Injection is the benchmark at roughly 100% systemic bioavailability. Intranasal delivery is lower and varies widely by molecule, formulation, and technique. Its advantage is not total absorption but a direct nose-to-brain route along the olfactory and trigeminal nerves that partially bypasses the blood-brain barrier, so a smaller fraction can still reach brain tissue that injected drug struggles to enter. For peptides that act centrally, that targeting can matter more than raw bioavailability." } }, { "@type": "Question", "name": "Which peptides are suited to intranasal delivery?", "acceptedAnswer": { "@type": "Answer", "text": "Smaller, more lipophilic peptides cross the nasal mucosa more readily, so short central-acting peptides are the usual candidates: Semax and Selank (cognition and anxiety), Oxytocin, PT-141, and Kisspeptin are common in nasal-spray use. Large or highly water-soluble molecules absorb poorly across the nasal lining and are better suited to injection. Molecular size and lipophilicity are the two properties that most determine whether a nasal route is viable." } }, { "@type": "Question", "name": "How should I store a reconstituted nasal spray?", "acceptedAnswer": { "@type": "Answer", "text": "Keep reconstituted peptide nasal sprays refrigerated at 2-8 C and protected from light. Most peptides are stable for weeks to a few months in solution depending on the compound and whether bacteriostatic water (which contains 0.9% benzyl alcohol as a preservative) was used. Avoid repeated freeze-thaw cycles, and discard if the solution becomes cloudy or discolored." } }, { "@type": "Question", "name": "How do I calculate mcg per spray for nasal delivery?", "acceptedAnswer": { "@type": "Answer", "text": "Multiply concentration by spray volume. First find concentration: total compound mass in mcg divided by total liquid volume in ml. For example, 10 mg (10,000 mcg) in 5 ml is 2,000 mcg/ml. At a 0.1 ml pump that is 200 mcg per spray. 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