# Calculator

> A pricing calculator with sliders and inputs that estimate cost from usage. Use it when plans scale by seats, requests, or volume so buyers see real numbers.

A shadcn/ui block from the [@shadcn-ui-blocks](https://www.shadcn-ui-blocks.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/shadcn-ui-blocks/marketing-pricing-sections-calculator).

- Page, with a live preview: https://shadcn.exchange/r/shadcn-ui-blocks/marketing-pricing-sections-calculator
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/shadcn-ui-blocks/marketing-pricing-sections-calculator-light-ad393c2e8fc0efcb.png
- Registry item: https://www.shadcn-ui-blocks.com/r/marketing-pricing-sections-calculator.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://www.shadcn-ui-blocks.com/r/marketing-pricing-sections-calculator.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `class-variance-authority`, `lucide-react`, `radix-ui`

## Files

### `components/blocks/marketing/pricing-sections/calculator.tsx`

```tsx
import { useState } from 'react';

import { Button } from '@/components/ui/button';
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
  CardTitle,
} from '@/components/ui/card';
import { Slider } from '@/components/ui/slider';
import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs';
import { CheckIcon } from 'lucide-react';
import { cn } from '@/lib/utils';

// Usage tiers
const usageTiers = [
  { min: 0, max: 10000, rate: 0.01 },
  { min: 10000, max: 100000, rate: 0.008 },
  { min: 100000, max: 1000000, rate: 0.006 },
  { min: 1000000, max: Infinity, rate: 0.004 },
];

// Plans
const plans = [
  {
    name: 'Starter',
    basePrice: 0,
    features: [
      'Up to 10,000 API calls/month',
      'Basic analytics',
      'Community support',
      'Standard rate limiting',
    ],
  },
  {
    name: 'Growth',
    basePrice: 49,
    features: [
      'Up to 100,000 API calls/month',
      'Advanced analytics',
      'Priority support',
      'Higher rate limits',
      'Team access',
      'Custom domains',
    ],
    popular: true,
  },
  {
    name: 'Scale',
    basePrice: 199,
    features: [
      'Up to 1,000,000 API calls/month',
      'Enterprise analytics',
      '24/7 support',
      'Highest rate limits',
      'Team access',
      'Custom domains',
      'SLA guarantee',
      'Dedicated account manager',
    ],
  },
];

// Calculate price based on usage
function calculatePrice(basePrice: number, usage: number) {
  let additionalCost = 0;
  let remainingUsage = usage;

  for (const tier of usageTiers) {
    if (remainingUsage <= 0) break;

    const usageInTier = Math.min(remainingUsage, tier.max - tier.min);
    if (usageInTier > 0) {
      additionalCost += usageInTier * tier.rate;
      remainingUsage -= usageInTier;
    }
  }

  return basePrice + additionalCost;
}

// Format number with commas
function formatNumber(num: number) {
  return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
}

export default function PricingSectionCalculator() {
  const [usage, setUsage] = useState(5000);
  const [billingPeriod, setBillingPeriod] = useState<'monthly' | 'annually'>(
    'monthly'
  );

  // Calculate annual discount
  const annualDiscount = 0.2; // 20% discount
  const annualMultiplier =
    billingPeriod === 'annually' ? 12 * (1 - annualDiscount) : 1;

  return (
    <section className="from-muted/50 to-background w-full bg-gradient-to-b py-12 md:py-24 lg:py-32">
      <div className="container mx-auto px-4 md:px-6 2xl:max-w-[1400px]">
        <div className="flex flex-col items-center justify-center space-y-4 text-center">
          <div className="space-y-2">
            <h2 className="text-3xl font-bold tracking-tighter sm:text-4xl md:text-5xl">
              Pay only for what you use
            </h2>
            <p className="text-muted-foreground mx-auto max-w-[700px] md:text-xl/relaxed">
              Transparent, usage-based pricing that scales with your business.
            </p>
          </div>
        </div>

        <div className="mx-auto mt-12 max-w-5xl">
          <Tabs
            defaultValue="monthly"
            className="w-full"
            onValueChange={(value) =>
              setBillingPeriod(value as 'monthly' | 'annually')
            }
          >
            <div className="flex justify-center">
              <TabsList className="mb-8">
                <TabsTrigger value="monthly">Monthly</TabsTrigger>
                <TabsTrigger value="annually">Annually (Save 20%)</TabsTrigger>
              </TabsList>
            </div>

            <div className="mx-auto mb-12 max-w-3xl">
              <Card>
                <CardHeader>
                  <CardTitle className="text-center">
                    Estimate your cost
                  </CardTitle>
                </CardHeader>
                <CardContent>
                  <div className="space-y-6">
                    <div>
                      <div className="mb-4 flex items-center justify-between">
                        <h3 className="text-sm font-medium">
                          Monthly API calls
                        </h3>
                        <div className="bg-primary/10 rounded-full px-3 py-1 text-sm font-medium">
                          {formatNumber(usage)}
                        </div>
                      </div>
                      <Slider
                        value={[usage]}
                        min={1000}
                        max={1000000}
                        step={1000}
                        onValueChange={(value) => setUsage(value[0]!)}
                      />
                      <div className="text-muted-foreground mt-2 flex justify-between text-xs">
                        <span>1,000</span>
                        <span>100,000</span>
                        <span>1,000,000</span>
                      </div>
                    </div>
                  </div>
                </CardContent>
              </Card>
            </div>

            <div className="grid gap-6 md:grid-cols-3">
              {plans.map((plan) => {
                // Calculate price based on usage and billing period
                const basePrice = plan.basePrice * annualMultiplier;
                const price = calculatePrice(
                  basePrice,
                  Math.max(
                    0,
                    usage -
                      (plan.name === 'Starter'
                        ? 10000
                        : plan.name === 'Growth'
                          ? 100000
                          : 1000000)
                  )
                );

                return (
                  <Card
                    key={plan.name}
                    className={cn(
                      'flex flex-col',
                      plan.popular && 'border-primary shadow-md'
                    )}
                  >
                    <CardHeader>
                      <CardTitle>{plan.name}</CardTitle>
                      <div className="mt-4 flex items-baseline">
                        <span className="text-4xl font-bold">
                          ${price.toFixed(2)}
                        </span>
                        <span className="text-muted-foreground ml-1 text-sm">
                          /{billingPeriod === 'monthly' ? 'mo' : 'yr'}
                        </span>
                      </div>
                      {plan.basePrice > 0 && (
                        <div className="text-muted-foreground mt-1 text-xs">
                          ${plan.basePrice * annualMultiplier} base + usage
                        </div>
                      )}
                    </CardHeader>
                    <CardContent className="flex-1">
                      <ul className="space-y-2 text-sm">
                        {plan.features.map((feature) => (
                          <li key={feature} className="flex items-center">
                            <CheckIcon className="text-primary mr-2 h-4 w-4" />
                            <span>{feature}</span>
                          </li>
                        ))}
                      </ul>
                    </CardContent>
                    <CardFooter>
                      <Button
                        className="w-full"
                        variant={plan.popular ? 'default' : 'outline'}
                        asChild
                      >
                        <a href="#">Get Started</a>
                      </Button>
                    </CardFooter>
                  </Card>
                );
              })}
            </div>
          </Tabs>
        </div>

        <div className="bg-card mx-auto mt-16 max-w-3xl rounded-lg border p-6 shadow-sm">
          <h3 className="text-lg font-medium">Usage-based pricing details</h3>
          <div className="mt-4 overflow-x-auto">
            <table className="w-full text-sm">
              <thead>
                <tr className="border-b">
                  <th className="pb-2 text-left font-medium">
                    Monthly API calls
                  </th>
                  <th className="pb-2 text-right font-medium">Rate per call</th>
                </tr>
              </thead>
              <tbody>
                <tr className="border-b">
                  <td className="py-2">First 10,000</td>
                  <td className="py-2 text-right">$0.01</td>
                </tr>
                <tr className="border-b">
                  <td className="py-2">10,001 - 100,000</td>
                  <td className="py-2 text-right">$0.008</td>
                </tr>
                <tr className="border-b">
                  <td className="py-2">100,001 - 1,000,000</td>
                  <td className="py-2 text-right">$0.006</td>
                </tr>
                <tr>
                  <td className="py-2">1,000,001+</td>
                  <td className="py-2 text-right">$0.004</td>
                </tr>
              </tbody>
            </table>
          </div>
          <p className="text-muted-foreground mt-4 text-sm">
            Each plan includes a certain number of free API calls. Additional
            usage is billed at the rates above.
          </p>
        </div>

        <div className="text-muted-foreground mt-12 text-center text-sm">
          Need a custom plan?{' '}
          <a
            href="#"
            className="text-primary underline underline-offset-4"
          >
            Contact our sales team
          </a>{' '}
          for volume discounts.
        </div>
      </div>
    </section>
  );
}
```

### `components/ui/button.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const buttonVariants = cva(
  "group/button inline-flex shrink-0 items-center justify-center rounded-md border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground hover:bg-primary/80",
        outline:
          "border-border bg-background shadow-xs hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:border-input dark:bg-input/30 dark:hover:bg-input/50",
        secondary:
          "bg-secondary text-secondary-foreground hover:bg-secondary/80 aria-expanded:bg-secondary aria-expanded:text-secondary-foreground",
        ghost:
          "hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:hover:bg-muted/50",
        destructive:
          "bg-destructive/10 text-destructive hover:bg-destructive/20 focus-visible:border-destructive/40 focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:hover:bg-destructive/30 dark:focus-visible:ring-destructive/40",
        link: "text-primary underline-offset-4 hover:underline",
      },
      size: {
        default:
          "h-9 gap-1.5 px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        xs: "h-6 gap-1 rounded-[min(var(--radius-md),8px)] px-2 text-xs in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1 rounded-[min(var(--radius-md),10px)] px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5",
        lg: "h-10 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        icon: "size-9",
        "icon-xs":
          "size-6 rounded-[min(var(--radius-md),8px)] in-data-[slot=button-group]:rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm":
          "size-8 rounded-[min(var(--radius-md),10px)] in-data-[slot=button-group]:rounded-md",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
)

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean
  }) {
  const Comp = asChild ? Slot.Root : "button"

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  )
}

export { Button, buttonVariants }
```

### `components/ui/card.tsx`

```tsx
import * as React from "react"

import { cn } from "@/lib/utils"

function Card({
  className,
  size = "default",
  ...props
}: React.ComponentProps<"div"> & { size?: "default" | "sm" }) {
  return (
    <div
      data-slot="card"
      data-size={size}
      className={cn(
        "group/card flex flex-col gap-6 overflow-hidden rounded-xl bg-card py-6 text-sm text-card-foreground shadow-xs ring-1 ring-foreground/10 has-[>img:first-child]:pt-0 data-[size=sm]:gap-4 data-[size=sm]:py-4 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl",
        className
      )}
      {...props}
    />
  )
}

function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-header"
      className={cn(
        "group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-6 group-data-[size=sm]/card:px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-6 group-data-[size=sm]/card:[.border-b]:pb-4",
        className
      )}
      {...props}
    />
  )
}

function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-title"
      className={cn(
        "font-heading text-base leading-normal font-medium group-data-[size=sm]/card:text-sm",
        className
      )}
      {...props}
    />
  )
}

function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-description"
      className={cn("text-sm text-muted-foreground", className)}
      {...props}
    />
  )
}

function CardAction({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-action"
      className={cn(
        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
        className
      )}
      {...props}
    />
  )
}

function CardContent({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-content"
      className={cn("px-6 group-data-[size=sm]/card:px-4", className)}
      {...props}
    />
  )
}

function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-footer"
      className={cn(
        "flex items-center rounded-b-xl px-6 group-data-[size=sm]/card:px-4 [.border-t]:pt-6 group-data-[size=sm]/card:[.border-t]:pt-4",
        className
      )}
      {...props}
    />
  )
}

export {
  Card,
  CardHeader,
  CardFooter,
  CardTitle,
  CardAction,
  CardDescription,
  CardContent,
}
```

### `components/ui/slider.tsx`

```tsx
"use client"

import * as React from "react"
import { Slider as SliderPrimitive } from "radix-ui"

import { cn } from "@/lib/utils"

function Slider({
  className,
  defaultValue,
  value,
  min = 0,
  max = 100,
  ...props
}: React.ComponentProps<typeof SliderPrimitive.Root>) {
  const _values = React.useMemo(
    () =>
      Array.isArray(value)
        ? value
        : Array.isArray(defaultValue)
          ? defaultValue
          : [min, max],
    [value, defaultValue, min, max]
  )

  return (
    <SliderPrimitive.Root
      data-slot="slider"
      defaultValue={defaultValue}
      value={value}
      min={min}
      max={max}
      className={cn(
        "relative flex w-full touch-none items-center select-none data-disabled:opacity-50 data-vertical:h-full data-vertical:min-h-40 data-vertical:w-auto data-vertical:flex-col",
        className
      )}
      {...props}
    >
      <SliderPrimitive.Track
        data-slot="slider-track"
        className="relative grow overflow-hidden rounded-full bg-muted data-horizontal:h-1.5 data-horizontal:w-full data-vertical:h-full data-vertical:w-1.5"
      >
        <SliderPrimitive.Range
          data-slot="slider-range"
          className="absolute bg-primary select-none data-horizontal:h-full data-vertical:w-full"
        />
      </SliderPrimitive.Track>
      {Array.from({ length: _values.length }, (_, index) => (
        <SliderPrimitive.Thumb
          data-slot="slider-thumb"
          key={index}
          className="block size-4 shrink-0 rounded-full border border-primary bg-white shadow-sm ring-ring/50 transition-[color,box-shadow] select-none hover:ring-4 focus-visible:ring-4 focus-visible:outline-hidden disabled:pointer-events-none disabled:opacity-50"
        />
      ))}
    </SliderPrimitive.Root>
  )
}

export { Slider }
```

### `components/ui/tabs.tsx`

```tsx
"use client"

import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Tabs as TabsPrimitive } from "radix-ui"

import { cn } from "@/lib/utils"

function Tabs({
  className,
  orientation = "horizontal",
  ...props
}: React.ComponentProps<typeof TabsPrimitive.Root>) {
  return (
    <TabsPrimitive.Root
      data-slot="tabs"
      data-orientation={orientation}
      className={cn(
        "group/tabs flex gap-2 data-horizontal:flex-col",
        className
      )}
      {...props}
    />
  )
}

const tabsListVariants = cva(
  "group/tabs-list inline-flex w-fit items-center justify-center rounded-lg p-[3px] text-muted-foreground group-data-horizontal/tabs:h-9 group-data-vertical/tabs:h-fit group-data-vertical/tabs:flex-col data-[variant=line]:rounded-none",
  {
    variants: {
      variant: {
        default: "bg-muted",
        line: "gap-1 bg-transparent",
      },
    },
    defaultVariants: {
      variant: "default",
    },
  }
)

function TabsList({
  className,
  variant = "default",
  ...props
}: React.ComponentProps<typeof TabsPrimitive.List> &
  VariantProps<typeof tabsListVariants>) {
  return (
    <TabsPrimitive.List
      data-slot="tabs-list"
      data-variant={variant}
      className={cn(tabsListVariants({ variant }), className)}
      {...props}
    />
  )
}

function TabsTrigger({
  className,
  ...props
}: React.ComponentProps<typeof TabsPrimitive.Trigger>) {
  return (
    <TabsPrimitive.Trigger
      data-slot="tabs-trigger"
      className={cn(
        "relative inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-sm font-medium whitespace-nowrap text-foreground/60 transition-all group-data-vertical/tabs:w-full group-data-vertical/tabs:justify-start hover:text-foreground focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 focus-visible:outline-ring disabled:pointer-events-none disabled:opacity-50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 dark:text-muted-foreground dark:hover:text-foreground group-data-[variant=default]/tabs-list:data-active:shadow-sm group-data-[variant=line]/tabs-list:data-active:shadow-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
        "group-data-[variant=line]/tabs-list:bg-transparent group-data-[variant=line]/tabs-list:data-active:bg-transparent dark:group-data-[variant=line]/tabs-list:data-active:border-transparent dark:group-data-[variant=line]/tabs-list:data-active:bg-transparent",
        "data-active:bg-background data-active:text-foreground dark:data-active:border-input dark:data-active:bg-input/30 dark:data-active:text-foreground",
        "after:absolute after:bg-foreground after:opacity-0 after:transition-opacity group-data-horizontal/tabs:after:inset-x-0 group-data-horizontal/tabs:after:bottom-[-5px] group-data-horizontal/tabs:after:h-0.5 group-data-vertical/tabs:after:inset-y-0 group-data-vertical/tabs:after:-right-1 group-data-vertical/tabs:after:w-0.5 group-data-[variant=line]/tabs-list:data-active:after:opacity-100",
        className
      )}
      {...props}
    />
  )
}

function TabsContent({
  className,
  ...props
}: React.ComponentProps<typeof TabsPrimitive.Content>) {
  return (
    <TabsPrimitive.Content
      data-slot="tabs-content"
      className={cn("flex-1 text-sm outline-none", className)}
      {...props}
    />
  )
}

export { Tabs, TabsList, TabsTrigger, TabsContent, tabsListVariants }
```