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Calculate what you actually want to know.
Kalkulo brings together simple, clear calculators — with an explanation of the answer, not just a number.
326 calculators
13 categories
$0 to use
This is a new English section of Kalkulo, a Norwegian calculator site — more calculators are being translated regularly. Prefer Norwegian? Switch language in the top right.
Percentage Calculator
Categories
More added regularly
💰
Money & Loans
Compound interest, savings growth
32 calculators 🧮Math & Percentages
Percentage, average, fraction, rounding
53 calculators ⚛️Physics
Speed, energy, force, Ohm's law
39 calculators 🩺Health & Body
BMI, heart rate zones, VO2 max
29 calculators 🧳Work & Time Off
Meeting cost, salary conversion
29 calculators 🏠Home & Moving
Price per square meter, moving budget
19 calculators 🚗Car & Travel
Tire size, EV range, travel time
21 calculators 📅Date & Time
Age, days between dates, week numbers
15 calculators 🎉Everyday & Social
Tip splitting, party planning
9 calculators 🧱Construction & Renovation
Paint, tile, concrete, insulation
28 calculators 🌱Garden & Outdoor
Soil, grass seed, pool volume, compost
12 calculators 🍳Food & Kitchen
Recipe scaling, oven conversion, ratios
11 calculators 🧰Tools
Password, QR code, character counter
29 calculatorsNewest calculators
Norway Total Home Purchase Cost Calculator →
Scientific Calculator →
Words Per Minute Calculator →
Balloon (Helium) Calculator →
Easter Date Calculator →
Pizza Size Calculator →
Yeast Conversion Calculator →
Flight CO2 Emissions Calculator →
Sod (Turf) Calculator →
Roof Pitch Calculator →
Heat Loss Calculator →
Retaining Wall Block Calculator →