No code · just mathCreate anything
Create anything
you can
calculate.
Build beautiful custom calculators without coding. Describe what you need, customize it, and share it anywhere.
Paint Cost Calculator
Estimated cost
$4,455.00
Subtotal
$4,050.00
Waste allowance
$405.00
How it works
01
Describe
Say what you want to calculate, in plain words.
02
Build
Add inputs and formulas — no code required.
03
Customize
Match colors, style and layout to your brand.
04
Share
Publish to a public link anyone can use.
Built for every kind of number
StudentsProfessionalsSmall businessesContractorsFinanceEducationHome projectsEveryday calculations
AI Builder
Describe your calculation in plain language and CALCORA creates the structure for you. The math always runs on our exact engine — never guessed.
“I want to calculate the price of painting a house… Add 10% waste.”
→ total = (square_feet × price_per_sqft + preparation_fee) × (1 + waste)
Templates
See all▦
Paint Cost Calculator
Construction · Painting
Estimate the cost of painting a house, including prep and waste.
$
Tip Calculator
Finance · Personal finance
Split the bill and tip between friends.
%
Profit Margin
Business · Profit margin
Profit and margin from cost and revenue.
%
Quote Calculator
Business · Pricing
Calculates the cost of materials, labor and other expenses to estimate a selling price, the profit and the margin of a job.
Build your first calculator.
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