153 free tools · 11 professions
Free calculators built for
working people
Free online calculators for nurses, paramedics, pharmacy, tradies, finance, real estate, construction, hospitality, teachers, fitness and agriculture. Fast answers on any device — no sign-up required.
16 tools
Nurses
Clinical calculators for ward, ICU and paediatric nurses. IV drip rate, GCS, drug dosing and more.
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12 tools
Teachers
Grading, literacy assessment, CRT pay and classroom planning tools for educators.
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24 tools
Tradies
24 calculators covering 9 trades — carpenter, electrician, tiler, concreter, plumber, roofer & solar.
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12 tools
Paramedics
Prehospital tools for paramedics and first responders. APGAR, trauma scoring, Parkland Burns and more.
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12 tools
Pharmacy
Dispensing, compounding and clinical calculators for pharmacists and pharmacy technicians.
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12 tools
Agriculture
Farm calculators for Australian and US farmers. Spray rates, seeding, stocking, dam capacity and break-even yield.
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15 tools
Hospitality
Calculators for bakers, chefs and café owners — sourdough, meat timing, recipe scaling and food cost.
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12 tools
Fitness
Calculators for personal trainers and gym-goers. TDEE, macros, 1RM, heart rate zones and body metrics.
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16 tools
Finance
Personal finance calculators for home loans, tax, super, savings and budgeting. Australian rates.
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12 tools
Real Estate
Property calculators for buyers, investors and landlords. Mortgage, rental yield, CGT, negative gearing and more.
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10 tools
Construction
Calculators for builders, contractors and DIYers. Build cost, framing, insulation, drywall and more.
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153
Tools
11
Professions
9
Trades
M/I
Metric & Imperial
Free
Always