Correct

打算 vs 计划

/ dǎsuàn vs jìhuà /
Strokes

Formula

1
计划计划
2
打算打算
3
计划周全
4
计划妥当
5
计划(打算)好

Definition

打算 and 计划, are both Verb/Noun, which means [to intend; to plan; think; plan].

Example

打算 and 计划, both words mean "to consider and plan beforehand".
1) 打算 is more colloquial and informal; 计划 is more formal. But if one wants to be tactful, one can also use 打算 for a formal plan. Moreover, 小打算 (consideration), 个人打算 (personal consideration) can be used for any plan of sheer personal advantage;

2) Examples ① and ② concern trifles, so 计划 is not used;

3) Examples ③ and ④ concern great events, so 计划 is used, not 打算.
1
Wǎnshang
晚上
suàn
打算
chī
shénme
什么
  
?

What would you like to eat for supper?

2
lèi
le
  
,
suàn
打算
gōngyuán
公园
le
  

I am tired and I don't want to go to the park

3
Xuéxiào
学校
zhìdìng
制定
le
一个
sān
nián
zhǎn
发展
huà
计划
  

The school has worked out a three-year developing plan.

4
Guójiā
国家
huà
计划
liǎng
nián
nèi
kuǎn
拨款
50
50亿
yuán
yòng
用于
tiě
铁路
jiànshè
建设
  

The state plans to earmark a sum of 5 billon yuan for railway construction in these two years.

Sometimes a great event (not concerning law) can be referred to by either 计划 or 打算.
5
Zhège
这个
企业
huà
计划
  
(
suàn
打算
  
)
xiàng
hǎiwài
海外
zhǎn
发展
业务
  

The enterprise is planning to enlarge its busi- ness to foreign countries.

6
men
他们
huà
计划
  
(
suàn
打算
  
)
xià
yuè
yóu
旅游
  

They plan to go on a trip next month.

打算 and 计划, both words are also Nouns.
7
yǒu
suàn
打算
  
:
jìnkuài
尽快
zi
屋子
zhuāngxiū
装修
xià
  

She has a plan that she will fit up the house as soon as possible.

8
Zhège
这个
jià
假期
yǒu
shénme
什么
huà
计划
  
?

What are you going to do during this holiday?

As a Verb, both 计划 and 打算 can be reduplicated (ABAB).

计划计划 打算打算
9
jiā
大家
huà
计划
huà
计划
  
,
men
我们
xuéxiào
学校
zěnmeyàng
怎么样
kuò
扩大
zhāoshēng
招生
  

Please discuss how to enlarge the enrollment of our school.

10
Qínjiǎn
勤俭
bànchǎng
办厂
  
,
shìshì
事事
dōu
de
suàn
打算
suàn
打算
  

We should follow the principle of running an enterprise industriously and thriftily,and we should calculate whatever we do.

计划 is more formal and is free in taking a complement, while 打算 is more casual and usually does not take 周全 (thorough, comprehensive), 妥当 (appropriate), etc. as a compliment.
In example ⑪ 打算 is not used, but either word can take an ordinary compliment, such as 好.
计划周全 计划妥当 计划(打算)好
11
men
我们
jīng
已经
huà
计划
tuǒdang
妥当
  
,
dàoshí
到时
zhǔnshí
准时
kāigōng
开工
  

We are fully prepared to start work on time then.

12
huì
聚会
de
fāngshì
方式
shíjiān
时间
  
,
men
你们
huà
计划
  
(
suàn
打算
  
)
hǎo
le
ma
  
?

Have you discussed the way and time of the party?