Clinical tools for UK general practice

Welcome to GPCalc

Free calculators that turn NICE and other UK guidance into a clear plan in seconds. Enter a patient's details to see the recommended tests, treatment, referral and follow-up, with links to the source and printable patient leaflets. Nothing you enter is stored or sent anywhere.

  • 12 calculators
  • Built from NICE guidance
  • Free to use
  • No patient data stored
All specialties · New

Blood Calc

Paste results from EMIS or enter them: flags urgent results, explains likely causes and lists further tests and repeats – from routine bloods to myeloma screens and autoimmune serology.

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Contraception

UKMEC 2025 eligibility

Select conditions and see the category (1–4) for the copper IUD, LNG-IUS, implant, injection, progestogen-only pill and combined hormonal contraception.

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Cardiovascular

Hypertension (NICE NG136)

Diagnosis pathway, treatment steps and BP targets for adults, with a printable patient leaflet on living well with high blood pressure.

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Cardiovascular

Lipids & statins (NICE NG238)

QRISK3, who to offer a statin, lipid targets, and when to add ezetimibe, inclisiran or a PCSK9 inhibitor. Includes FH screening and a printable patient leaflet on cholesterol and statins.

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Endocrine

Type 2 diabetes (NICE NG28)

HbA1c targets and the February 2026 drug pathways – standard, obesity, CKD, early onset, heart failure, ASCVD and frailty – with SGLT2 and GLP-1 safety checks and a patient leaflet.

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Renal

Chronic kidney disease (NICE NG203)

G/A staging, KFRE kidney failure risk, referral criteria, monitoring frequency, BP targets, and ACE inhibitor, SGLT2 inhibitor and finerenone eligibility, with a patient leaflet.

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Respiratory

Asthma (BTS/NICE/SIGN NG245)

Objective tests for diagnosis by age, the AIR and MART treatment steps, children's pathways, control and risk review, and formulary inhalers, with a patient action plan.

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Respiratory

COPD (NICE NG115)

Spirometry severity, LAMA/LABA, LABA/ICS and triple therapy steps, azithromycin, oxygen and rehabilitation criteria, rescue packs and formulary inhalers, with a self-management leaflet.

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Cardiovascular

Heart failure (NICE NG106)

NT-proBNP referral timescales, the 2025 four-pillar HFrEF pathway, HFmrEF and HFpEF options, titration doses, monitoring and IV iron, with a patient leaflet.

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Musculoskeletal

Osteoporosis (NICE NG259)

Who to assess, FRAX or QFracture, DXA and vertebral fracture assessment, the 2026 treatment criteria including osteopenia, very high risk, bisphosphonates and treatment pauses.

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Neurology

Headache pathway (C&M / Walton Centre)

Red flags and direct access MRI, diagnosing migraine, tension-type, cluster and other headaches, medication overuse, triptans, preventatives and gepants, with NICE CG150 and a patient leaflet.

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Neurology & ENT

Dizziness & vertigo

Guides the consultation with the TiTrATE approach: red flags, likely diagnosis, Dix–Hallpike and HINTS, postural BP, BPPV, vestibular neuronitis, Ménière's, referral and driving advice, with a patient leaflet.

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Women's health

Menopause & HRT (NICE NG23)

Diagnosis by age, choosing HRT type, regimen and route, contraindications, symptom-specific options and review, with a patient leaflet on menopause and HRT.

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Oncology

Suspected cancer referral (NICE NG12)

Tick symptoms, signs and results to see suspected cancer pathway referrals, direct access tests and safety-netting (April 2026 update), with a leaflet for people being referred.

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Reference

Medications reference

100 of the most prescribed medicines in primary care, each with its uses, common side effects, key cautions and Cheshire & Merseyside formulary status – searchable and filterable by area.

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For clinical reference only. These tools support, and do not replace, clinical judgement or the full guidance. Always verify against the source documents and seek specialist advice for complex cases. No patient data is stored or sent anywhere: everything runs in your browser.