How much creatine should I take during a loading phase?

Common textbook loading is about 0.3 g creatine monohydrate per kg body weight per day for ~5–7 days. Default 180 lb (81.6 kg): 0.3 × 81.6 = 24.5 g → capped at 24 g/day → 24 g/day split into 4 doses (~6 g each). Phase total for 7 days: ~168 g, then maintenance ~3 g/day.

What is the creatine maintenance dose per day?

Many protocols use ~0.03 g/kg/day with a practical floor of 3 g and ceiling of 8 g. For 180 lb (81.6 kg): 0.03 × 81.6 = 2.45 g → 3 g/day (minimum band). Example without loading: 70 kg → ~3 g/day for several weeks until stores saturate. Loading only speeds the first week — maintenance keeps levels up.

Do I have to load creatine or can I skip loading?

Loading is optional. Maintenance-only (3 g/day at 70 kg) still raises muscle creatine over ~3–4 weeks. Loading (18 g/day at 60 kg for 7 days, ~126 g total) front-loads intake so saturation arrives faster. Choose based on GI tolerance and patience — not a safety requirement.

Why split creatine loading into four doses per day?

Dividing the daily load (e.g. 24 g ÷ 4 ≈ 6 g per serving) may reduce bloating or cramping versus one large bolus. Take with meals and water. If you tolerate 24 g in two doses, that is fine — the split is a comfort strategy, not a pharmacokinetic rule.

How do 5-day vs 7-day creatine loading compare?

Same daily grams; only total phase creatine changes. At 180 lb: 5 days → ~120 g total (24 g/day); 7 days → ~168 g total (24 g/day). Both use ~3 g/day afterward. Shorter loads mean slightly less total powder in week one, not a different maintenance target.

Why is my loading dose capped at 25 g per day?

Raw formula at 100 kg: 0.3 × 100.0 = 30.0 g → capped at 25 g/day. We clamp daily loading to 12–25 g so outputs match common retail scoops and coach practice. Uncapped 0.3 g/kg at 100 kg would be 30 g/day; this calculator reports 25 g/day (~6 g × 4) for a 5-day phase total of ~125 g.

How much creatine for 150 lb vs 180 lb?

150 lb (~68.0 kg): loading ~20 g/day (5 g × 4), maintenance ~3 g/day. 180 lb (~81.6 kg): loading ~24 g/day, maintenance ~3 g/day. Heavier mass raises both until the loading cap applies.

Does creatine timing matter (before or after workout)?

For saturation, total daily grams matter more than exact clock time. Pick a consistent time — many take maintenance (3 g for your weight) daily with food. Post-workout is popular but not mandatory in ISSN summaries. On loading days, spread 6 g doses across waking hours.

Is creatine monohydrate the right form?

This calculator assumes creatine monohydrate — the most studied form in meta-analyses and position stands. Buffered, HCl, or “creapure” marketing labels still deliver creatine but scoop weight differs; read grams of creatine per serving, not only brand name. Hydrate normally; see our hydration calculator for fluid targets separate from supplement grams.

Who should not use creatine without medical advice?

People with chronic kidney disease, on nephrotoxic drugs, pregnant or breastfeeding, or children should consult a clinician before supplements. Healthy adults in trials rarely show renal harm at recommended doses, but this page does not screen you — it only outputs math like 24 g/day load and 3 g/day maintenance for 180 lb (81.6 kg).

Which calculators pair with creatine dosing?

Stack with our protein calculator (daily protein by goal), macro calculator (calorie splits), calorie calculator (TDEE), hydration calculator (fluids), muscle recovery time calculator (rest days), and body recomposition calculator (cutting while training) — supplements sit on top of food and recovery planning.

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Creatine monohydrate

Creatine Loading Dose Calculator — Grams per Day & Split Doses

Free creatine loading calculator for monohydrate: default 180 lb, 7-day load → ~24 g/day (6 g × 4), phase ~168 g, then ~3 g/day maintenance. Uses 0.3 g/kg loading and 0.03 g/kg maintenance with daily caps — educational, not medical advice.

Last updated: May 24, 2026

Loading 12–25 g/day cap

Maintenance 3–8 g/day band

5-, 6-, or 7-day loading length

Daily protein targets? Protein calculator

Creatine dosing

Monohydrate loading (optional) and maintenance from body weight

Units

Body weight (lb)

Range 80–400 lb.

Protocol

Loading length (days)

Based on

180 lb (81.6 kg)

Loading (~0.3 g/kg/day, capped 12–25 g/day): about 24 g/day for 7 days (~6 g × 4 doses). Phase total ~168 g creatine monohydrate.
Then maintenance: about 3 g/day (from ~0.03 g/kg with a 3–8 g practical band).
Creatine monohydrate is the most studied form; drink water normally. Discuss supplements with your clinician if you have kidney disease or take nephrotoxic drugs.

Loading (per day)

~24 g

Split (4× / day)

~6 g each

Loading phase total (~7 days)

~168 g

Maintenance (ongoing)

~3 g / day

Timing with meals may reduce GI upset for some users. For daily protein targets see our protein calculator.

What This Calculator Shows

Default (180 lb, 7 d)

Loading + maintenance

24 g/day

6 g × 4 · then 3 g/day

70 kg maintenance only

No loading phase

3 g/day

Saturation over several weeks

100 kg (capped load)

5-day phase

25 g/day

Phase ~125 g total

Quick examples (live)

180 lb · 7 d load

24 g/day → 3 g maint.

60 kg · 7 d

18 g/day · 126 g phase

150 lb

20 g load · 3 g maint.

180 lb · 5 d load

~120 g phase total

Creatine Dose Table by Body Weight (7-day load)

Weight (kg)	Loading g/day	4× split (g)	7-day phase (g)	Maintenance g/day
60 kg	18	~5	~126	~3
70 kg	21	~5	~147	~3
80 kg	24	~6	~168	~3
90 kg	25	~6	~175	~3
100 kg	25	~6	~175	~3

Loading: 0.3 g/kg/day capped 12–25 g · Maintenance: 0.03 g/kg/day band 3–8 g

Loading vs Maintenance-Only

Loading + maintenance

Week 1: higher daily grams (e.g. 24 g/day at 180 lb). Week 2+: ~3 g/day. Faster saturation; more GI risk if taken as one bolus — use 4 splits.

Maintenance only

Skip loading; take ~3 g/day at 70 kg consistently. Same long-term maintenance target as after a load — only the timeline to full stores changes.

How the Creatine Dose Formulas Work

Sports nutrition reviews (including ISSN position summaries) often cite a short loading phase at roughly 0.3 g/kg/day of creatine monohydrate for about 5–7 days, then a lower daily dose near 0.03 g/kg/day to maintain elevated muscle creatine. This calculator rounds to practical whole and half-gram maintenance values and caps loading so very heavy users are not told to ingest unrealistic single-day totals.

Formulas used

Loading (daily) = min(25, max(12, round(0.3 × kg)))

Per split dose ≈ round(loading daily ÷ 4)

Maintenance = clamp(round(0.03 × kg to 0.5 g), 3, 8)

Your default: 0.3 × 81.6 = 24.5 g → capped at 24 g/day · 0.03 × 81.6 = 2.45 g → 3 g/day (minimum band)

Limitations

Estimates assume creatine monohydrate — HCl, ethyl ester, and buffered forms differ in creatine per scoop
Loading is optional; maintenance-only reaches saturation over ~3–4 weeks in many studies
Daily loading grams are capped at 25 g for practicality — very heavy athletes may see textbook 0.3 g/kg above that
Kidney disease, pregnancy, pediatrics, and nephrotoxic medications require clinician guidance before supplements
Does not account for dietary creatine from meat/fish or baseline muscle creatine stores

References

Kreider et al. — ISSN position stand on creatine (safety, efficacy, and dosing ranges reflected here)
NIH Office of Dietary Supplements — Creatine (health professional fact sheet)
CDC — Physical activity (training context; supplements do not replace exercise or diet)

Worked example

70 kg — maintenance only (no load)

Compare with loading path using the form

Daily intake

0.03 × 70.0 = 2.10 g → 3 g/day (minimum band) → take ~3 g/day creatine monohydrate every day. Expect saturation over several weeks without a 18 g/day load.

If you add loading

Same 70 kg with 7-day load: ~21 g/day (5 g × 4), phase ~147 g, then still ~3 g/day maintenance.

Frequently Asked Questions

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Creatine monohydrate

Creatine Loading Dose Calculator — Grams per Day & Split Doses

Last updated: May 24, 2026

Loading 12–25 g/day cap

Maintenance 3–8 g/day band

5-, 6-, or 7-day loading length

Daily protein targets? Protein calculator

Creatine dosing

Monohydrate loading (optional) and maintenance from body weight

Units

Body weight (lb)

Range 80–400 lb.

Protocol

Loading length (days)

Based on

180 lb (81.6 kg)

Loading (~0.3 g/kg/day, capped 12–25 g/day): about 24 g/day for 7 days (~6 g × 4 doses). Phase total ~168 g creatine monohydrate.
Then maintenance: about 3 g/day (from ~0.03 g/kg with a 3–8 g practical band).
Creatine monohydrate is the most studied form; drink water normally. Discuss supplements with your clinician if you have kidney disease or take nephrotoxic drugs.

Loading (per day)

~24 g

Split (4× / day)

~6 g each

Loading phase total (~7 days)

~168 g

Maintenance (ongoing)

~3 g / day

Timing with meals may reduce GI upset for some users. For daily protein targets see our protein calculator.

What This Calculator Shows

Default (180 lb, 7 d)

Loading + maintenance

24 g/day

6 g × 4 · then 3 g/day

70 kg maintenance only

No loading phase

3 g/day

Saturation over several weeks

100 kg (capped load)

5-day phase

25 g/day

Phase ~125 g total

Quick examples (live)

180 lb · 7 d load

24 g/day → 3 g maint.

60 kg · 7 d

18 g/day · 126 g phase

150 lb

20 g load · 3 g maint.

180 lb · 5 d load

~120 g phase total

Creatine Dose Table by Body Weight (7-day load)

Weight (kg)	Loading g/day	4× split (g)	7-day phase (g)	Maintenance g/day
60 kg	18	~5	~126	~3
70 kg	21	~5	~147	~3
80 kg	24	~6	~168	~3
90 kg	25	~6	~175	~3
100 kg	25	~6	~175	~3

Loading: 0.3 g/kg/day capped 12–25 g · Maintenance: 0.03 g/kg/day band 3–8 g

Loading vs Maintenance-Only

Loading + maintenance

Week 1: higher daily grams (e.g. 24 g/day at 180 lb). Week 2+: ~3 g/day. Faster saturation; more GI risk if taken as one bolus — use 4 splits.

Maintenance only

Skip loading; take ~3 g/day at 70 kg consistently. Same long-term maintenance target as after a load — only the timeline to full stores changes.

How the Creatine Dose Formulas Work

Formulas used

Loading (daily) = min(25, max(12, round(0.3 × kg)))

Per split dose ≈ round(loading daily ÷ 4)

Maintenance = clamp(round(0.03 × kg to 0.5 g), 3, 8)

Your default: 0.3 × 81.6 = 24.5 g → capped at 24 g/day · 0.03 × 81.6 = 2.45 g → 3 g/day (minimum band)

Limitations

Estimates assume creatine monohydrate — HCl, ethyl ester, and buffered forms differ in creatine per scoop
Loading is optional; maintenance-only reaches saturation over ~3–4 weeks in many studies
Daily loading grams are capped at 25 g for practicality — very heavy athletes may see textbook 0.3 g/kg above that
Kidney disease, pregnancy, pediatrics, and nephrotoxic medications require clinician guidance before supplements
Does not account for dietary creatine from meat/fish or baseline muscle creatine stores

References

Kreider et al. — ISSN position stand on creatine (safety, efficacy, and dosing ranges reflected here)
NIH Office of Dietary Supplements — Creatine (health professional fact sheet)
CDC — Physical activity (training context; supplements do not replace exercise or diet)

Worked example

70 kg — maintenance only (no load)

Compare with loading path using the form

Daily intake

0.03 × 70.0 = 2.10 g → 3 g/day (minimum band) → take ~3 g/day creatine monohydrate every day. Expect saturation over several weeks without a 18 g/day load.